Tarun Rustagi, M.D.
Gastroenterology Physician · San Francisco, CA
Tarun Rustagi, M.D. is a gastroenterology physician with a practice address in San Francisco, California, and NPI 1801045513, issued on Sep 17, 2008. Check the license (California 9622696, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tarun Rustagi
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 9622696 CA
MD2016-0322 NM
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Van Ness Ave, San Francisco, CA 94109
- Phone
- (415) 600-1000
- Enumerated
- Sep 17, 2008
- Record last updated
- Jul 15, 2022
- Fax
- (415) 558-7051
- Medicare enrollment
- Enrolled (PECOS I20220728000266); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1100 Van Ness Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohammed Ahmed, MDInternal Medicine Physician1700245115
- Haila AlbgalFamily Nurse Practitioner1417566043
- Ashley Arnold, LCSWClinical Social Worker1710559687
- Anjali Asrani, NPNurse Practitioner1184279770
- Ginny BaoEndocrinology, Diabetes & Metabolism Physician1801383286
Verify Tarun Rustagi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 9622696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average gastroenterology physician in 2024
326 Medicare Part D claims for 186 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Pantoprazole Sodium81 claims
- Gavilyte-G62 claims
- Peg-3350 And Electrolytes60 claims
- Ondansetron Hcl49 claims
- Amoxicillin-Clavulanate Potass18 claims
- Lubiprostone12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $581.14
16 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Adventist Health Physicians NetworkHanford, CA
- Kern County Hospital AuthorityBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tarun Rustagi among 2,140 gastroenterology physician records in California
Tarun Rustagi, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2007 · median 2002 among the 1,538 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in San Francisco → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kenneth Binmoeller, MDSan Francisco, CA 941091851321715
- Christina Chou, MDSan Francisco, CA 941091164749628
- Richard Frederick, M.D.San Francisco, CA 941091720009160
- Thomas Haddad, M.D.San Francisco, CA 941091932151867
- Christopher Hamerski, M.D.San Francisco, CA 941091205033420
- Kenneth Hammerman, MDSan Francisco, CA 941091174600365
- Mimi Lin, M.D.San Francisco, CA 941091659588457
- Jagrati Mathur, MDSan Francisco, CA 941091205000734
Common questions
What is Tarun Rustagi, M.D.'s NPI number?
Tarun Rustagi, M.D.'s National Provider Identifier (NPI) is 1801045513, issued on Sep 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tarun Rustagi, M.D. located?
The NPPES record lists a practice address at 1100 Van Ness Ave, San Francisco, CA, 94109. Phone: (415) 600-1000. Providers update this record themselves, so call before visiting.
How can I verify Tarun Rustagi, M.D.'s license?
NPPES lists California license number 9622696, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tarun Rustagi, M.D. prescribe under Medicare Part D?
In 2024, Tarun Rustagi, M.D. had 326 Medicare Part D claims for 186 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.