Nerys Benfield, MD
NPI 1033245972 · Obstetrics & Gynecology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nerys Benfield, MD is a Obstetrics & Gynecology Physician provider in San Francisco, CA (NPI 1033245972).
Provider details
- NPI number
- 1033245972
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A98810 (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
- 2007-02-26
- Last updated
- 2022-08-05
- Certified
- 2022-08-05
Frequently asked questions
- What is Nerys Benfield's NPI number?
- Nerys Benfield's National Provider Identifier (NPI) is 1033245972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nerys Benfield's specialty?
- Nerys Benfield is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Nerys Benfield located?
- Nerys Benfield's practice location on file with NPPES is 2356 Sutter St, San Francisco, CA 94115-3006.
- What is Nerys Benfield's phone number?
- The practice phone number listed in the NPPES registry for Nerys Benfield is (415) 885-7788.
- Does Nerys Benfield accept Medicare?
- Nerys Benfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nerys Benfield's NPI active?
- Yes — Nerys Benfield's NPI (1033245972) is active in the NPPES registry as of the last update on 2022-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.