Brian Sitarz, MD
NPI 1861579708 · Obstetrics & Gynecology Physician · Santa Clara, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Sitarz, MD is a Obstetrics & Gynecology Physician provider in Santa Clara, CA (NPI 1861579708).
Provider details
- NPI number
- 1861579708
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A75675 (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
- 2006-10-31
- Last updated
- 2021-12-13
Frequently asked questions
- What is Brian Sitarz's NPI number?
- Brian Sitarz's National Provider Identifier (NPI) is 1861579708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Sitarz's specialty?
- Brian Sitarz is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Sitarz located?
- Brian Sitarz's practice location on file with NPPES is 710 Lawrence Expy, Santa Clara, CA 95051-5173.
- What is Brian Sitarz's phone number?
- The practice phone number listed in the NPPES registry for Brian Sitarz is (408) 851-1000.
- Does Brian Sitarz accept Medicare?
- Brian Sitarz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Sitarz's NPI active?
- Yes — Brian Sitarz's NPI (1861579708) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.