Tanya Dam, DO
Gastroenterology Physician · Modesto, CA
Tanya Dam, DO is a gastroenterology physician with a practice address in Modesto, California, and NPI 1104105030, issued on Aug 9, 2011. Check the license (California 20A12410, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tanya Dam
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 20A12410 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1541 Florida Ave, Modesto, CA 95350
- Phone
- (209) 577-3388
- Enumerated
- Aug 9, 2011
- Entity
- Type 1 · individual
Also registered at 1541 Florida Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Humayun Abbas, MDInternal Medicine Physician1336136548
- Ricky Bassi, MDInternal Medicine Physician1215025465
- Phillip Beck, M.D.Urology Physician1447276548
- James Boozer, MDInternal Medicine Physician1427046986
- Jay Chen, M.D.Specialist1053340778
- Curtis Dewar, M.D.Urology Physician1467485896
Verify Tanya Dam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12410Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
9% more Medicare Part D claims than the average gastroenterology physician in 2024
921 Medicare Part D claims for 349 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Omeprazole164 claims
- Sod Sulf-Potass Sulf-Mag Sulf89 claims
- Pantoprazole Sodium82 claims
- Gavilyte-G57 claims
- Dicyclomine Hcl43 claims
- Linzess40 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: $156.00
2 payments, mostly food and beverage; the largest payer was Gilead Sciences, Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 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.
One hospital or facility affiliation
- First Choice Physician PartnersModesto, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in California
There are 1,749 gastroenterology physician records in California.
Other gastroenterology physician records in California
- David Aarons, MDLodi, CA1619081379
- Constante Abaya, MDOxnard, CA1003918459
- Homan Abdollahzadeh, MDPalm Springs, CA1184634826
- John Abdulian, M.D.Fresno, CA1437114113
- Hussein Abidali, DORancho Cucamonga, CA1205274768
- Alaa Abousaif, MDOrange, CA1235124108
- Donald Abrahm, M.D.Newport Beach, CA1215022405
- Maria Abreu, M.D.West Hollywood, CA1598793374
- Safwat Absood, M.D.Modesto, CA1932113891
- Ronald Adamany, M.D.Mission Viejo, CA1992780688
Common questions
What is Tanya Dam, DO's NPI number?
Tanya Dam, DO's National Provider Identifier (NPI) is 1104105030, issued on Aug 9, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tanya Dam, DO located?
The NPPES record lists a practice address at 1541 Florida Ave, Modesto, CA, 95350. Phone: (209) 577-3388. Providers update this record themselves, so call before visiting.
How can I verify Tanya Dam, DO's license?
NPPES lists California license number 20A12410, 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 Tanya Dam, DO prescribe under Medicare Part D?
In 2024, Tanya Dam, DO had 921 Medicare Part D claims for 349 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.