Sam Sundar, MD
Internal Medicine Physician · Concord, CA
Sam Sundar, MD is an internal medicine physician with a practice address in Concord, California, and NPI 1801904545, issued on Aug 25, 2006. Check the license (California A26493, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sam Sundar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A26493 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2415 High School Ave, Concord, CA 94520
- Phone
- (925) 680-6846
- Enumerated
- Aug 25, 2006
- Record last updated
- Mar 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (925) 680-6957
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2415 High School Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melanie Anello, N.P.-CFamily Nurse Practitioner1225336696
- Joanna ChanAudiologist1013094242
- Sandra Cunnane, AU.D.Audiologist-Hearing Aid Fitter1417976606
- Lori Danze, M.D.Internal Medicine Physician1003923236
- Chinnavuth De Monteiro, M.D.Internal Medicine Physician1558392449
- Julie Fulford, AUDAudiologist-Hearing Aid Fitter1912943093
Verify Sam Sundar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A26493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
91 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Fenofibrate24 claims
- Oxcarbazepine24 claims
- Baclofen20 claims
- Gabapentin12 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.
Sam Sundar among 17,696 internal medicine physician records in California
Sam Sundar, MD 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 fileNo · 63% of these records are
- Record last updated2008 · 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).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Concord → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Johnson Adeyanju, M.D.Concord, CA 945201467403147
- Jose Arias-VeraConcord, CA 945201497826283
- Mike Bannout, M.D.Concord, CA 945201598784662
- David Bressler, M.D.Concord, CA 945201962456210
- Anna Chang, M.D.Concord, CA 945201568402931
- Lori Danze, M.D.Concord, CA 945201003923236
- Robert Davidson, M.D.Concord, CA 945201659311108
- Chinnavuth De Monteiro, M.D.Concord, CA 945201558392449
Common questions
What is Sam Sundar, MD's NPI number?
Sam Sundar, MD's National Provider Identifier (NPI) is 1801904545, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sam Sundar, MD located?
The NPPES record lists a practice address at 2415 High School Ave, Concord, CA, 94520. Phone: (925) 680-6846. Providers update this record themselves, so call before visiting.
How can I verify Sam Sundar, MD's license?
NPPES lists California license number A26493, 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 Sam Sundar, MD prescribe under Medicare Part D?
In 2024, Sam Sundar, MD had 91 Medicare Part D claims; 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.