IndividualActive
John Porzio
NPI 1669504908 · Pharmacist · San Rafael, CA
John Porzio is a Pharmacist provider in San Rafael, CA (NPI 1669504908).
Provider details
- NPI number
- 1669504908
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 42709 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(89/100 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
99 Montecillo Rd
San Rafael, CA 94903-3308
Phone: (415) 444-2047
Street-level locationGet directions
Mailing address
Po Box 151418
San Rafael, CA 94915-1418
Registry dates
- Enumerated
- 2007-03-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Porzio's NPI number?
- John Porzio's National Provider Identifier (NPI) is 1669504908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Porzio's specialty?
- John Porzio is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is John Porzio located?
- John Porzio's practice location on file with NPPES is 99 Montecillo Rd, San Rafael, CA 94903-3308.
- What is John Porzio's phone number?
- The practice phone number listed in the NPPES registry for John Porzio is (415) 444-2047.
- Is John Porzio's NPI active?
- Yes — John Porzio's NPI (1669504908) 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.