Irina Bronstein, MD
Internal Medicine Physician · Antioch, CA
Irina Bronstein, MD is an internal medicine physician with a practice address in Antioch, California, and NPI 1972681039, issued on Nov 2, 2006. Check the license (California A81647, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Irina Bronstein
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A81647 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Delta Fair Blvd, Antioch, CA 94509
- Phone
- (925) 779-5000
- Enumerated
- Nov 2, 2006
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A816470 CA
- Entity
- Type 1 · individual
Also registered at 3400 Delta Fair Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Irina Bronstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A81647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66 internal medicine physician records list a practice address in Antioch
They are 66 of the 2,184 NPPES records with a practice address in Antioch, 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 66 in Antioch → All 17,696 in California → Every provider in Antioch →
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Common questions
What is Irina Bronstein, MD's NPI number?
Irina Bronstein, MD's National Provider Identifier (NPI) is 1972681039, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irina Bronstein, MD located?
The NPPES record lists a practice address at 3400 Delta Fair Blvd, Antioch, CA, 94509. Phone: (925) 779-5000. Providers update this record themselves, so call before visiting.
How can I verify Irina Bronstein, MD's license?
NPPES lists California license number A81647, 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. 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.