John Fahy, MD
NPI 1225597321 · Anesthesiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Fahy, MD is a Anesthesiology Physician provider in San Diego, CA (NPI 1225597321).
Provider details
- NPI number
- 1225597321
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2019-03-18
- Last updated
- 2024-07-08
- Certified
- 2024-07-08
Frequently asked questions
- What is John Fahy's NPI number?
- John Fahy's National Provider Identifier (NPI) is 1225597321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Fahy's specialty?
- John Fahy is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Fahy located?
- John Fahy's practice location on file with NPPES is Naval Medical Center San Diego, San Diego, CA 92134-5000.
- What is John Fahy's phone number?
- The practice phone number listed in the NPPES registry for John Fahy is (602) 373-0597.
- Does John Fahy accept Medicare?
- John Fahy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Fahy's NPI active?
- Yes — John Fahy's NPI (1225597321) is active in the NPPES registry as of the last update on 2024-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.