Annamalai Veerappan, M.D.
Gastroenterology Physician · Fremont, CA
Annamalai Veerappan, M.D. is a gastroenterology physician with a practice address in Fremont, California, and NPI 1881628451, issued on Jul 10, 2006. Check the license (California A49347, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Annamalai Veerappan
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A49347 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2557 Mowry Ave, Fremont, CA 94538
- Phone
- (510) 793-3722
- Enumerated
- Jul 10, 2006
- Record last updated
- Mar 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (510) 793-8783
- Medicaid ID
- 00A493470 CA
- Medicare enrollment
- Enrolled (PECOS I20080506000387); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 2557 Mowry Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Harman Chawla, M.D.Infectious Disease Physician1518251701
- Jason Chu, M.D.Pulmonary Disease Physician1972521060
- Sunil Dhawan, MDDermatology Physician1326018987
- Dale Elleson, DOOtolaryngology Physician1740226000
Verify Annamalai Veerappan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49347Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average gastroenterology physician in 2024
1,345 Medicare Part D claims for 429 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Pantoprazole Sodium425 claims
- Peg 3350-Electrolyte121 claims
- Omeprazole111 claims
- Sod Sulf-Potass Sulf-Mag Sulf75 claims
- Linzess62 claims
- Vemlidy52 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $103.88
1 payment: food and beverage; the largest payer was Abbvie Inc. 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 one group practice
- Washington Township Medical FoundationFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Annamalai Veerappan among 2,140 gastroenterology physician records in California
Annamalai Veerappan, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1979 · median 2002 among the 1,538 with a school on file
- Record last updated2008 · 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 Fremont → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Gayatri Bharadhwaj, MDFremont, CA 945381851476519
- Luke Bi, MDFremont, CA 945381700964202
- Mary Hu, M.D.Fremont, CA 945381659339059
- Shakir Hyder, M.D.Fremont, CA 945381316024508
- Ritesh Jha, M.D.Fremont, CA 945381972684645
- Yagya Kapila, MDFremont, CA 945381801955026
- Andrew Lu, M.D.Fremont, CA 945381912197393
- Anmol Mahal, M.D.Fremont, CA 945381609931526
Common questions
What is Annamalai Veerappan, M.D.'s NPI number?
Annamalai Veerappan, M.D.'s National Provider Identifier (NPI) is 1881628451, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Annamalai Veerappan, M.D. located?
The NPPES record lists a practice address at 2557 Mowry Ave, Fremont, CA, 94538. Phone: (510) 793-3722. Providers update this record themselves, so call before visiting.
How can I verify Annamalai Veerappan, M.D.'s license?
NPPES lists California license number A49347, 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 Annamalai Veerappan, M.D. prescribe under Medicare Part D?
In 2024, Annamalai Veerappan, M.D. had 1,345 Medicare Part D claims for 429 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Annamalai Veerappan, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.