Dr. Harsha Vittal, MD

  • Palo Alto, CA
  • Gastroenterologist
NPI1245308931PAC ID9739279126
Medicare services, 2024
843
Medicare patients, 2024
452
Part D claims, 2024
342
Publications
7
Hospital affiliations
2
Practice address
795 El Camino Real, Palo Alto, CA 94301
Practice phone
Call (650) 324-1832
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Surgery Center Palo Alto

Surgery Center - Medicare-Certified · Palo Alto, California

See all 7 affiliations

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Dr. Harsha Vittal is a gastroenterologist in Palo Alto, California

Dr. Vittal practices at Surgery Center Palo Alto in Palo Alto, California.

Dr. Vittal's NPI, 1245308931, was assigned on December 1, 2006. Dr. Vittal graduated from St. George's University School of Medicine in 1999. Dr. Vittal's California license number on file is A95303.

NPI and contact details
Medicare PAC ID
9739279126
NPI enumeration date
December 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 324-1832
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Harsha Vittal practices at Surgery Center Palo Alto in Palo Alto, California

Dr. Vittal's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.

  • Surgery Center Palo Alto
    795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832

Source: Dmand AI Affiliation Data

Dr. Harsha Vittal is affiliated with 5 sites of care and 2 medical groups

Dr. Vittal's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dr. Vittal is also affiliated with El Camino Health - Mountain View Hospital. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Vittal to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Vittal

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

Dmand AI tracks the EHR system at Dr. Harsha Vittal's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vittal practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Surgery Center Palo AltoAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Harsha Vittal is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Vittal's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Vittal is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Vittal's licenses on file in 4 states: California, Maine, Minnesota and Nevada.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A95303 · 2006 to 2025 · taxonomy 207RG0100X
  • Maine licenseSince 2007
  • Minnesota license2009 to 2010
  • Nevada license2002 to 2009

Clinical focus

Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), colonoscopy, gastrointestinal bleeding, hepatitis c, intestinal or bowel obstruction, irritable bowel syndrome (IBS) and pancreas or bile duct endoscopy (ERCP) among the conditions Dr. Vittal treats.

Gastroenterologists near Dr. Vittal

Counts of gastroenterologists 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

Dr. Harsha Vittal billed Medicare for 843 services in 2024

CMS data shows 843 Medicare services from Dr. Vittal across 17 procedure codes in 2024, for 452 Medicare patients. Medicare paid $127,001 for them.

Medicare services, 2024843
Medicare patients452
Paid by Medicare$127,001
Procedure codes17

Dr. Vittal's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 3502024: 48539%
Office and hospital visits
2023: 3352024: 3463%
Other services
2023: 142024: 1214%

Where Dr. Vittal's Medicare services took place, 2024

  • In an office19523%
  • In a facility64877%

Dr. Vittal compared with the California median for gastroenterologists, 2024

  • Dr. Vittal
  • California median
Medicare services
843vs 58644% above
Medicare patients
452vs 30250% above
Part D claims
239vs 38037% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Vittal'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 Dr. Vittal

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

Dr. Harsha Vittal treated 452 Medicare patients in 2024, average age 77

CMS counts 452 Medicare patients who saw Dr. Vittal in 2024. The largest group is 75 to 84, with 180 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Vittal's median patient age at 58, with 46% women.

Medicare patients, 2024452
Average age77
Average risk score1.44
Also on Medicaid14%

Dr. Vittal's Medicare patients by age, 2024

Dr. Vittal's Medicare patients by sex, 2024

  • Women23552%
  • Men21748%

Chronic conditions among Dr. Vittal's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis44%
  4. Diabetes37%
  5. Chronic kidney disease34%
  6. Ischemic heart disease34%
  7. Atrial fibrillation30%
  8. Cancer23%

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

Dr. Vittal's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women46%
  • Men54%

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

Dr. Harsha Vittal wrote 342 Medicare Part D claims in 2024

In 2024, Dr. Vittal wrote 342 Medicare Part D claims for 161 patients. 82% of them were for generic drugs. CMS names the drug for 239 of them, across 6 drugs with 11 or more claims each, at $9,236 in total drug cost. In 2023, CMS named 195 claims across 4 drugs.

Part D claims, 2024342
Drugs named by CMS6
Total drug cost$9,236
Part D patients161

Dr. Vittal's Part D claims by kind of drug, 2024

  • Generic280 claims82%
  • Brand-name62 claims18%

Dr. Vittal'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 Dr. Vittal's Part D claims, 2024

  • Antibiotics5%17 of 342 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: 1952024: 23923%

Drugs named by CMS: 6 in 2024, 4 in 2023.

See all prescribing by Dr. Vittal

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

Dr. Harsha Vittal ranks in the 97th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Vittal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Vittal as offering telehealth. CMS counts 383 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Vittal, more than 97% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Vittal ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
97th percentile383 procedures
Colonoscopy
82nd percentile109 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

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Dr. Harsha Vittal has 7 publications on record

Dmand AI links 7 papers to Dr. Vittal, published from 2008 to 2010. The most frequent topics are Gastroparesis, Insulin-Like Growth Factor I and Mice, Inbred BALB C. Dr. Vittal has published most often in Gastroenterology. Dr. Vittal's most frequent co-authors are Guillermo A. Gomez, MD, Kirk Patrick Bernadino, MD and Douglas Howell, MD.

Papers7
Years published2008 to 2010

Topics Dr. Vittal writes about most

  • Gastroparesis
  • Insulin-Like Growth Factor I
  • Mice, Inbred BALB C
  • Stomach

Dr. Vittal's most frequent co-authors

Recent publications by Dr. Vittal

See all 7 publications and co-authors

See who Dr. Vittal researches with

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

How network discovery works

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

Dr. Harsha Vittal received $2,936 in industry payments from 2016 to 2025

CMS Open Payments shows 37 general payments to Dr. Vittal from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 75% of the total. ERBE USA Inc paid the most, $940.

General payments to Dr. Vittal by program year, 2016 to 2025

General payments to Dr. Vittal by kind, 2016 to 2025

$2.9Kin total
  • Food and beverage$2,19975%
  • Travel and lodging$58120%
  • Entertainment$1565%

Companies that paid Dr. Vittal the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Vittal

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

Dr. Harsha Vittal graduated from St. George's University School of Medicine

Dr. Vittal graduated from St. George's University School of Medicine in 1999.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Harsha Vittal accepts plans from 12 insurance carriers

Dr. Vittal is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Excellus BlueCross BlueShield
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +4 more carriersWith a free account

Plan types Dr. Vittal accepts, by number of carriers

  1. PPO8
  2. HMO7
  3. EPO5
  4. POS5
  5. Medicare4

Source: Dmand AI Insurance Network Data

Sources for Dr. Harsha Vittal'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 Dr. Harsha Vittal

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

What is Dr. Harsha Vittal's NPI number?

Dr. Harsha Vittal's NPI number is 1245308931. It was assigned on December 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Harsha Vittal?

Dr. Harsha Vittal is a gastroenterologist in Palo Alto, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Harsha Vittal practice?

Dr. Vittal practices at 795 El Camino Real, Palo Alto, CA 94301. Dr. Vittal's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dmand AI also links Dr. Vittal to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. Harsha Vittal's office phone number?

The practice phone on file for Dr. Vittal is (650) 324-1832.

What is Dr. Harsha Vittal's medical license number?

Dr. Vittal's California license number on file is A95303, one of the licenses on file in 4 states.

Which states has Dr. Harsha Vittal been licensed in?

Dmand AI has state licenses on file for Dr. Vittal in California (2006 to 2025), Maine (since 2007), Minnesota (2009 to 2010) and Nevada (2002 to 2009).

Which hospitals is Dr. Harsha Vittal affiliated with?

Dr. Vittal is affiliated with El Camino Health - Mountain View Hospital. Dmand AI links Dr. Vittal to 1 more hospital.

What medical group is Dr. Harsha Vittal part of?

Dr. Vittal is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Vittal to 1 more medical group.

Does Dr. Harsha Vittal accept Medicare?

Yes. CMS data shows Dr. Vittal billed Medicare for 843 services in 2024, and Dr. Vittal accepts Medicare assignment.

Does Dr. Harsha Vittal offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Vittal as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Harsha Vittal see?

CMS counts 452 Medicare patients who saw Dr. Vittal in 2024, with an average age of 77.

Is Dr. Harsha Vittal board certified?

Yes. Dr. Vittal is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Harsha Vittal bill to Medicare?

In 2024, Dr. Vittal's most billed Medicare services were hospital inpatient care (99223), office visit, established patient (99213) and surgery: digestive system (43239).

Where did Dr. Harsha Vittal go to medical school?

Dr. Vittal graduated from St. George's University School of Medicine in 1999.

What drugs does Dr. Harsha Vittal prescribe most?

In 2024 Medicare Part D data, Dr. Vittal's most prescribed drugs by claims were Pantoprazole Sodium, Sod Sulf-Potass Sulf-Mag Sulf and Peg 3350-Electrolyte.

Has Dr. Harsha Vittal received payments from drug or device companies?

CMS Open Payments shows $2,936 in general payments to Dr. Vittal from 12 companies from 2016 to 2025. The largest total came from ERBE USA Inc.

How long has Dr. Harsha Vittal been practicing?

Dr. Vittal graduated from medical school in 1999, 27 years ago.

Does Dr. Harsha Vittal do research?

Dmand AI links 7 publications to Dr. Vittal, published from 2008 to 2010.

Who does Dr. Harsha Vittal publish with?

Dr. Vittal's most frequent co-authors are Guillermo A. Gomez, MD (2 shared papers), Kirk Patrick Bernadino, MD (1 shared paper) and Douglas Howell, MD (1 shared paper).

What insurance does Dr. Harsha Vittal accept?

Dr. Vittal is in network with 12 carriers, including Aetna, Excellus BlueCross BlueShield and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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