Ashish Tandon, M.D.
Internal Medicine Physician · Roseville, CA
Ashish Tandon, M.D. is an internal medicine physician with a practice address in Roseville, California, and NPI 1831296789, issued on Sep 20, 2006. Check the license (California C51484, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ashish Tandon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C51484 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Plaza Dr, Roseville, CA 95661
- Phone
- (916) 781-1927
- Enumerated
- Sep 20, 2006
- Record last updated
- May 19, 2022
- Fax
- (916) 781-1787
- Medicare enrollment
- Enrolled (PECOS I20040723000681); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1 Medical Plaza Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ashish Tandon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C51484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
319 Medicare Part D claims for 109 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydralazine Hcl27 claims
- Atorvastatin Calcium20 claims
- Amlodipine Besylate17 claims
- Pantoprazole Sodium16 claims
- Losartan Potassium12 claims
- Enoxaparin Sodium11 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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashish Tandon among 17,696 internal medicine physician records in California
Ashish Tandon, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1992 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Roseville
They are 157 of the 5,340 NPPES records with a practice address in Roseville, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Roseville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Afshin Arya, M.D.Roseville, CA 956611548230287
- Jagdeep Bal, M.D.Roseville, CA 956611548252703
- Harinder Bisla, MDRoseville, CA 956611174512685
- Kenneth Michael Conroy, MDRoseville, CA 956611134108285
- Barbara Febbo-Wilson, M.D.Roseville, CA 956611154307700
- Baljinder Gill, MDRoseville, CA 956611790774784
- Devamani Gowda, MDRoseville, CA 956611962463455
- Thomas Hopkins, MDRoseville, CA 956611720045206
Common questions
What is Ashish Tandon, M.D.'s NPI number?
Ashish Tandon, M.D.'s National Provider Identifier (NPI) is 1831296789, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ashish Tandon, M.D. located?
The NPPES record lists a practice address at 1 Medical Plaza Dr, Roseville, CA, 95661. Phone: (916) 781-1927. Providers update this record themselves, so call before visiting.
How can I verify Ashish Tandon, M.D.'s license?
NPPES lists California license number C51484, 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 Ashish Tandon, M.D. prescribe under Medicare Part D?
In 2024, Ashish Tandon, M.D. had 319 Medicare Part D claims for 109 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.