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Brian Hershey, MD
NPI 1538188909 · Anesthesiology Physician · Walnut Creek, CA
Brian Hershey, MD is a Anesthesiology Physician provider in Walnut Creek, CA (NPI 1538188909).
Provider details
- NPI number
- 1538188909
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G52478 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone: (925) 947-5286
Street-level locationGet directions
Mailing address
Po Box 7793
San Francisco, CA 94120-7793
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Brian Hershey's NPI number?
- Brian Hershey's National Provider Identifier (NPI) is 1538188909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Hershey's specialty?
- Brian Hershey is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Hershey located?
- Brian Hershey's practice location on file with NPPES is 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122.
- What is Brian Hershey's phone number?
- The practice phone number listed in the NPPES registry for Brian Hershey is (925) 947-5286.
- Is Brian Hershey's NPI active?
- Yes — Brian Hershey's NPI (1538188909) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.