Gopanandan Parthasarathy, MBBS
- 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
Primary practice
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.
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
- 1538523667NPI Registry (opens in a new tab)
- 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.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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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, CaliforniaPrimary
- Minnesota license
- Ohio license
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.
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.
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.
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.
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
- High cholesterol63%
- High blood pressure60%
- Arthritis40%
- Diabetes25%
- Chronic kidney disease24%
- Ischemic heart disease22%
- Mood disorders21%
- 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.
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.
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)
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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.
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
- Harmeet Malhi, MBBS9 shared papers
- Nicholas Hamilton Chia, MBBS3 shared papers
- Joel G. Fletcher, MD3 shared papers
Recent publications by Gopanandan Parthasarathy
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.
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
- 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.
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.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
- Board certified in transplant hepatology
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
- Medicare2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Gopanandan Parthasarathy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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.
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