Deirdre Thorne-Hadfield, W.H.N.P. M.S. R.N.
NPI 1225197106 · Women's Health Nurse Practitioner · San Rafael, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deirdre Thorne-Hadfield, W.H.N.P. M.S. R.N. is a Women's Health Nurse Practitioner provider in San Rafael, CA (NPI 1225197106).
Provider details
- NPI number
- 1225197106
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- W.H.N.P. M.S. R.N.
- Sex
- Female
- Sole proprietor
- No
- License
- 333235 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-12-07
- Last updated
- 2022-01-03
Frequently asked questions
- What is Deirdre Thorne-Hadfield's NPI number?
- Deirdre Thorne-Hadfield's National Provider Identifier (NPI) is 1225197106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deirdre Thorne-Hadfield's specialty?
- Deirdre Thorne-Hadfield is listed in the NPPES registry with a primary specialty of Women's Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deirdre Thorne-Hadfield located?
- Deirdre Thorne-Hadfield's practice location on file with NPPES is 99 Montecillo Rd, San Rafael, CA 94903-3308.
- What is Deirdre Thorne-Hadfield's phone number?
- The practice phone number listed in the NPPES registry for Deirdre Thorne-Hadfield is (415) 444-4591.
- Does Deirdre Thorne-Hadfield accept Medicare?
- Deirdre Thorne-Hadfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deirdre Thorne-Hadfield's NPI active?
- Yes — Deirdre Thorne-Hadfield's NPI (1225197106) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.