Stephen Mandaro, M.D.
NPI 1225369051 · Occupational Medicine Physician · Fair Oaks, CA
Stephen Mandaro, M.D. is a Occupational Medicine Physician provider in Fair Oaks, CA (NPI 1225369051).
Provider details
- NPI number
- 1225369051
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G50320 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-01-18
- Last updated
- 2010-01-18
Frequently asked questions
- What is Stephen Mandaro's NPI number?
- Stephen Mandaro's National Provider Identifier (NPI) is 1225369051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Mandaro's specialty?
- Stephen Mandaro is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Mandaro located?
- Stephen Mandaro's practice location on file with NPPES is 8139 Sunset Ave, Fair Oaks, CA 95628-5131.
- What is Stephen Mandaro's phone number?
- The practice phone number listed in the NPPES registry for Stephen Mandaro is (916) 209-8505.
- Is Stephen Mandaro's NPI active?
- Yes — Stephen Mandaro's NPI (1225369051) is active in the NPPES registry as of the last update on 2010-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.