Gautami Agastya, MD
Internal Medicine Physician · Tracy, CA
Gautami Agastya, MD is an internal medicine physician with a practice address in Tracy, California, and NPI 1356312516, issued on Jan 27, 2006. Check the license (California C51385, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gautami Agastya
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C51385 CA
Self-reported in NPPES; status is on the state search - Practice location
- 652 W 11TH St, Tracy, CA 95376
- Phone
- (209) 833-7555
- Enumerated
- Jan 27, 2006
- Record last updated
- Jun 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (209) 833-7518
- Medicaid ID
- 00C513850 CA
- Medicare enrollment
- Enrolled (PECOS I20031219000693); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 652 W 11TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ramana Adapa, MDPreventive Medicine/Occupational Environmental Medicine Physician1407959315
Verify Gautami Agastya in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C51385Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average internal medicine physician in 2024
5,839 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 46 claims were for opioids.
Most prescribed
- Atorvastatin Calcium502 claims
- Losartan Potassium323 claims
- Amlodipine Besylate311 claims
- Metformin Hcl203 claims
- Levothyroxine Sodium189 claims
- Metoprolol Succinate169 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: $40.34
2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Gautami Agastya MD IncTracy, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
27 internal medicine physician records list a practice address in Tracy
They are 27 of the 1,864 NPPES records with a practice address in Tracy, and 17,696 internal medicine physician records in California.
All 27 in Tracy → All 17,696 in California → Every provider in Tracy →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
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- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Gautami Agastya, MD's NPI number?
Gautami Agastya, MD's National Provider Identifier (NPI) is 1356312516, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gautami Agastya, MD located?
The NPPES record lists a practice address at 652 W 11TH St, Tracy, CA, 95376. Phone: (209) 833-7555. Providers update this record themselves, so call before visiting.
How can I verify Gautami Agastya, MD's license?
NPPES lists California license number C51385, 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 Gautami Agastya, MD prescribe under Medicare Part D?
In 2024, Gautami Agastya, MD had 5,839 Medicare Part D claims for 268 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.