John Phirman, M.D.
NPI 1871589044 · Anesthesiology Physician · San Luis Obispo, CA
John Phirman, M.D. is a Anesthesiology Physician provider in San Luis Obispo, CA (NPI 1871589044).
Provider details
- NPI number
- 1871589044
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G14252 (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
20 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
- 2005-09-23
- Last updated
- 2007-09-12
Frequently asked questions
- What is John Phirman's NPI number?
- John Phirman's National Provider Identifier (NPI) is 1871589044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Phirman's specialty?
- John Phirman is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Phirman located?
- John Phirman's practice location on file with NPPES is 1301 Ella Street, San Luis Obispo, CA 93401.
- What is John Phirman's phone number?
- The practice phone number listed in the NPPES registry for John Phirman is (805) 928-1731.
- Is John Phirman's NPI active?
- Yes — John Phirman's NPI (1871589044) is active in the NPPES registry as of the last update on 2007-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.