Irina Bronstein, MD
NPI 1972681039 · Internal Medicine Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irina Bronstein, MD is a Internal Medicine Physician provider in Antioch, CA (NPI 1972681039).
Provider details
- NPI number
- 1972681039
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A81647 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2021-12-09
Frequently asked questions
- What is Irina Bronstein's NPI number?
- Irina Bronstein's National Provider Identifier (NPI) is 1972681039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irina Bronstein's specialty?
- Irina Bronstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irina Bronstein located?
- Irina Bronstein's practice location on file with NPPES is 3400 Delta Fair Blvd, Antioch, CA 94509-4004.
- What is Irina Bronstein's phone number?
- The practice phone number listed in the NPPES registry for Irina Bronstein is (925) 779-5000.
- Does Irina Bronstein accept Medicare?
- Irina Bronstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irina Bronstein's NPI active?
- Yes — Irina Bronstein's NPI (1972681039) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.