Gopanandan Parthasarathy, MBBS

  • Stanford, CA
  • Hepatology physician
NPI1538523667PAC ID5890088124
Medicare services, 2024
187
Medicare patients, 2024
142
Part D claims, 2024
248
Publications
25
Hospital affiliations
3
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 6 affiliations

Find Gopanandan Parthasarathy's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Gopanandan Parthasarathy is a hepatology physician in Stanford, California

Gopanandan Parthasarathy practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Gopanandan Parthasarathy's NPI, 1538523667, was assigned on April 5, 2016. Gopanandan Parthasarathy graduated from Jawaharlal Institute of Postgraduate Medical Education and Research in 2014. Gopanandan Parthasarathy holds California license C197762.

NPI and contact details
Medicare PAC ID
5890088124
NPI enumeration date
April 5, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Gopanandan Parthasarathy practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Gopanandan Parthasarathy's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Gopanandan Parthasarathy is affiliated with 3 sites of care and 3 medical groups

Gopanandan Parthasarathy's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Gopanandan Parthasarathy is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Gopanandan Parthasarathy to 1 more hospital and 2 medical groups, each named with a free account. Gopanandan Parthasarathy's employer is on file too: a hospital.

See all 6 affiliations for Gopanandan Parthasarathy

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Gopanandan Parthasarathy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gopanandan Parthasarathy practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Gopanandan Parthasarathy practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Stanford University and 6.2K+ hospitals, with verified contacts in the same login.

Gopanandan Parthasarathy is one of 41 hepatology physicians in California

Hepatology is Gopanandan Parthasarathy's primary specialty in the NPI Registry, under taxonomy code 207RI0008X. Gopanandan Parthasarathy is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Gopanandan Parthasarathy's licenses on file in 3 states: California, Minnesota and Ohio.

Specialties and state licenses

  • Hepatology, CaliforniaPrimaryLicense C197762 · 2024 to 2026 · taxonomy 207RI0008X
  • Minnesota license2019 to 2024
  • Ohio license2016 to 2021

Clinical focus

Dmand AI lists cirrhosis of the liver, colonoscopy and fatty liver among the conditions Gopanandan Parthasarathy treats.

Hepatology physicians near Gopanandan Parthasarathy

Counts of hepatology physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Gopanandan Parthasarathy billed Medicare for 187 services in 2024

CMS data shows 187 Medicare services from Gopanandan Parthasarathy across 6 procedure codes in 2024, for 142 Medicare patients. Medicare paid $14,653 for them.

Medicare services, 2024187
Medicare patients142
Paid by Medicare$14,653
Procedure codes6

Gopanandan Parthasarathy's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 732024: 9125%
Other services
2023: 1012024: 8318%
Office and hospital visits
2023: 442024: 1370%

Where Gopanandan Parthasarathy's Medicare services took place, 2024

  • In an office137%
  • In a facility17493%

Gopanandan Parthasarathy compared with the California median for hepatology physicians, 2024

  • Gopanandan Parthasarathy
  • California median
Medicare services
187vs 31541% below
Medicare patients
142vs 25845% below
Part D claims
193vs 39551% below

Medians across 37 hepatology physicians in California with Dmand AI profiles that report each measure.

Gopanandan Parthasarathy's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Gopanandan Parthasarathy

Need commercial claims for Gopanandan Parthasarathy?

Medicare shows one payer. Book a meeting to get commercial claims data for Gopanandan Parthasarathy and other hepatology physicians in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Gopanandan Parthasarathy treated 142 Medicare patients in 2024, average age 71

CMS counts 142 Medicare patients who saw Gopanandan Parthasarathy in 2024. The largest group is 65 to 74, with 79 patients. 63% of them have high cholesterol, and 60% have high blood pressure. Their average risk score is 1.28, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Gopanandan Parthasarathy's median patient age at 54, with 53% women.

Medicare patients, 2024142
Average age71
Average risk score1.28

Gopanandan Parthasarathy's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Gopanandan Parthasarathy's Medicare patients by sex, 2024

  • Women8056%
  • Men6244%

Chronic conditions among Gopanandan Parthasarathy's Medicare patients, 2024

  1. High cholesterol63%
  2. High blood pressure60%
  3. Arthritis40%
  4. Diabetes25%
  5. Chronic kidney disease24%
  6. Ischemic heart disease22%
  7. Mood disorders21%
  8. Cancer20%

Share of Medicare patients with each condition. A patient can have several.

Gopanandan Parthasarathy's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women53%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Gopanandan Parthasarathy wrote 248 Medicare Part D claims in 2024

In 2024, Gopanandan Parthasarathy wrote 248 Medicare Part D claims for 118 patients. 92% of them were for generic drugs. CMS names the drug for 193 of them, across 10 drugs with 11 or more claims each, at $45,131 in total drug cost. In 2023, CMS named 193 claims across 8 drugs.

Part D claims, 2024248
Drugs named by CMS10
Total drug cost$45,131
Part D patients118

Gopanandan Parthasarathy's Part D claims by kind of drug, 2024

  • Generic227 claims92%
  • Brand-name21 claims8%

Gopanandan Parthasarathy's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Gopanandan Parthasarathy's Part D claims, 2024

  • Antibiotics9%23 of 248 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1932024: 193No change

Drugs named by CMS: 10 in 2024, 8 in 2023.

See all prescribing by Gopanandan Parthasarathy

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Gopanandan Parthasarathy ranks in the 48th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Gopanandan Parthasarathy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Gopanandan Parthasarathy as offering telehealth. CMS counts 18 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Gopanandan Parthasarathy, more than 48% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Gopanandan Parthasarathy ranks in Medicare procedure volume

Colonoscopy
47th percentile19 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
48th percentile18 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find hepatology physicians like Gopanandan Parthasarathy by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Gopanandan Parthasarathy has 25 publications on record

Dmand AI links 25 papers to Gopanandan Parthasarathy, published from 2015 to 2025. 2015 was the busiest year, with 5. The most frequent topics are Non-alcoholic Fatty Liver Disease, Manometry and Constipation. Gopanandan Parthasarathy has published most often in Neurogastroenterol Motil. Gopanandan Parthasarathy's most frequent co-authors are Harmeet Malhi, MBBS, Nicholas Hamilton Chia, MBBS and Joel G. Fletcher, MD.

Papers25
Years published2015 to 2025

Gopanandan Parthasarathy's papers by year, 2015 to 2025

Topics Gopanandan Parthasarathy writes about most

  • Non-alcoholic Fatty Liver Disease
  • Manometry
  • Constipation
  • Algorithms
  • Liver
  • Macrophages
  • Minnesota
  • Breath Tests

Gopanandan Parthasarathy's most frequent co-authors

Recent publications by Gopanandan Parthasarathy

See all 25 publications and co-authors

See who Gopanandan Parthasarathy researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Gopanandan Parthasarathy works with, so you can find a warm path to the right hepatology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Gopanandan Parthasarathy received $1,525 in industry payments from 2016 to 2025

CMS Open Payments shows 12 general payments to Gopanandan Parthasarathy from 4 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 57% of the total. Madrigal Pharmaceuticals paid the most, $1,263.

General payments to Gopanandan Parthasarathy by program year, 2016 to 2025

General payments to Gopanandan Parthasarathy by kind, 2016 to 2025

$1.5Kin total
  • Travel and lodging$87457%
  • Food and beverage$65143%

Companies that paid Gopanandan Parthasarathy the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Gopanandan Parthasarathy

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Gopanandan Parthasarathy graduated from Jawaharlal Institute of Postgraduate Medical Education and Research

Gopanandan Parthasarathy graduated from Jawaharlal Institute of Postgraduate Medical Education and Research in 2014.

  1. Medical schoolJawaharlal Institute of Postgraduate Medical Education and Research
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in transplant hepatologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Gopanandan Parthasarathy accepts plans from 3 insurance carriers

Gopanandan Parthasarathy is in network with 3 carriers, including CMS Medicare, UCare and WI State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • CMS Medicare
  • UCare
  • WI State Medicaid

Plan types Gopanandan Parthasarathy accepts, by number of carriers

  1. Medicare2
  2. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Gopanandan Parthasarathy's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Gopanandan Parthasarathy

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gopanandan Parthasarathy's NPI number?

Gopanandan Parthasarathy's NPI number is 1538523667. It was assigned on April 5, 2016, and it is active in the NPI Registry.

What does Gopanandan Parthasarathy specialize in?

Gopanandan Parthasarathy is a hepatology physician in Stanford, California. The primary specialty in the NPI Registry is Hepatology Physician (taxonomy code 207RI0008X).

Where does Gopanandan Parthasarathy practice?

Gopanandan Parthasarathy practices at 300 Pasteur Drive, Stanford, CA 94305. Gopanandan Parthasarathy's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Gopanandan Parthasarathy to 1 hospital and 2 medical groups.

What is Gopanandan Parthasarathy's office phone number?

The practice phone on file for Gopanandan Parthasarathy is (650) 723-4000.

What is Gopanandan Parthasarathy's medical license number?

Gopanandan Parthasarathy holds California license C197762, one of the licenses on file in 3 states.

Which states has Gopanandan Parthasarathy been licensed in?

Dmand AI has state licenses on file for Gopanandan Parthasarathy in California (2024 to 2026), Minnesota (2019 to 2024) and Ohio (2016 to 2021).

Which hospitals is Gopanandan Parthasarathy affiliated with?

Gopanandan Parthasarathy practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Gopanandan Parthasarathy is also affiliated with Stanford Health Care Tri-Valley. Dmand AI links Gopanandan Parthasarathy to 1 more hospital.

What medical group is Gopanandan Parthasarathy part of?

Gopanandan Parthasarathy is linked to The Permanente Medical Group, Inc. Dmand AI links Gopanandan Parthasarathy to 2 more medical groups.

Does Gopanandan Parthasarathy accept Medicare?

Yes. CMS data shows Gopanandan Parthasarathy billed Medicare for 187 services in 2024, and Gopanandan Parthasarathy accepts Medicare assignment.

Does Gopanandan Parthasarathy offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Gopanandan Parthasarathy as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Gopanandan Parthasarathy see?

CMS counts 142 Medicare patients who saw Gopanandan Parthasarathy in 2024, with an average age of 71.

Is Gopanandan Parthasarathy board certified?

Yes. Gopanandan Parthasarathy is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Gopanandan Parthasarathy bill to Medicare?

In 2024, Gopanandan Parthasarathy's most billed Medicare services were medicare service (G0500), surgery: digestive system (45385) and surgery: digestive system (43239).

Where did Gopanandan Parthasarathy go to medical school?

Gopanandan Parthasarathy graduated from Jawaharlal Institute of Postgraduate Medical Education and Research in 2014.

What drugs does Gopanandan Parthasarathy prescribe most?

In 2024 Medicare Part D data, Gopanandan Parthasarathy's most prescribed drugs by claims were Gavilyte-C, Carvedilol and Furosemide.

Has Gopanandan Parthasarathy received payments from drug or device companies?

CMS Open Payments shows $1,525 in general payments to Gopanandan Parthasarathy from 4 companies from 2016 to 2025. The largest total came from Madrigal Pharmaceuticals.

How long has Gopanandan Parthasarathy been practicing?

Gopanandan Parthasarathy graduated from medical school in 2014, 12 years ago.

Does Gopanandan Parthasarathy do research?

Dmand AI links 25 publications to Gopanandan Parthasarathy, published from 2015 to 2025.

Who does Gopanandan Parthasarathy publish with?

Gopanandan Parthasarathy's most frequent co-authors are Harmeet Malhi, MBBS (9 shared papers), Nicholas Hamilton Chia, MBBS (3 shared papers) and Joel G. Fletcher, MD (3 shared papers).

What insurance does Gopanandan Parthasarathy accept?

Gopanandan Parthasarathy is in network with 3 carriers, including CMS Medicare, UCare and WI State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

Selling to hepatology practices?

See hepatology physicians in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)