Pantea Mahtosh, M.D.
Internal Medicine Physician · San Jose, CA
Pantea Mahtosh, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1689852600, issued on Jan 31, 2008. Check the license (California A102137, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pantea Mahtosh
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A102137 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1582 Via Campagna, San Jose, CA 95120
- Phone
- (408) 927-7937
- Enumerated
- Jan 31, 2008
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110323000544); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Pantea Mahtosh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A102137Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pantea Mahtosh among 17,696 internal medicine physician records in California
Pantea Mahtosh, 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Harold Hubis, M.D.San Jose, CA 951201912229725
- Leen Awad, M.D.San Jose, CA 951191700332897
- Hong Bui, M.D.San Jose, CA 951211417944471
- Leon Castaneda, MDSan Jose, CA 951191942629399
- Piyanka ChandraSan Jose, CA 951191679992986
- Susmitha Daggubati, MDSan Jose, CA 951191972180172
- Lam Do, M.D.San Jose, CA 951211588689814
- Chistopher Do, M.D.San Jose, CA 951211407876659
Common questions
What is Pantea Mahtosh, M.D.'s NPI number?
Pantea Mahtosh, M.D.'s National Provider Identifier (NPI) is 1689852600, issued on Jan 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Pantea Mahtosh, M.D. located?
The NPPES record lists a practice address at 1582 Via Campagna, San Jose, CA, 95120. Phone: (408) 927-7937. Providers update this record themselves, so call before visiting.
How can I verify Pantea Mahtosh, M.D.'s license?
NPPES lists California license number A102137, 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.
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.