Jack Bernstein, MD
Internal Medicine Physician · San Mateo, CA
Jack Bernstein, MD is an internal medicine physician with a practice address in San Mateo, California, and NPI 1457301384, issued on May 11, 2006. Check the license (California C28238, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jack Bernstein
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C28238 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 S San Mateo Dr, San Mateo, CA 94401
- Phone
- (650) 942-7071
- Enumerated
- May 11, 2006
- Entity
- Type 1 · individual
Also registered at 101 S San Mateo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marieta Angtuaco, M.D.Specialist1548324536
- Catrina Blake, FNPNurse Practitioner1205472115
- Jonathan Briskin, M.D.Cardiovascular Disease Physician1417032376
- Doris Burton, MDDiagnostic Radiology Physician1285837906
- Mary Dobbins, M.D.Internal Medicine Physician1407837693
- Michael Drinnan, MDOphthalmology Physician1609883024
Verify Jack Bernstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C28238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
44 internal medicine physician records list a practice address in San Mateo
They are 44 of the 3,909 NPPES records with a practice address in San Mateo, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 44 in San Mateo → All 17,696 in California → Every provider in San Mateo →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- 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 Jack Bernstein, MD's NPI number?
Jack Bernstein, MD's National Provider Identifier (NPI) is 1457301384, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jack Bernstein, MD located?
The NPPES record lists a practice address at 101 S San Mateo Dr, San Mateo, CA, 94401. Phone: (650) 942-7071. Providers update this record themselves, so call before visiting.
How can I verify Jack Bernstein, MD's license?
NPPES lists California license number C28238, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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) 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 27, 2026.