IndividualActive
James Longo, MD
NPI 1083606602 · Radiation Oncology Physician · Templeton, CA
James Longo, MD is a Radiation Oncology Physician provider in Templeton, CA (NPI 1083606602).
Provider details
- NPI number
- 1083606602
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G50881 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
274 Heather Ct
Templeton, CA 93465-9738
Phone: (805) 434-1859
Fax: (805) 434-2383
Street-level locationGet directions
Mailing address
274 Heather Ct
Templeton, CA 93465-9738
Registry dates
- Enumerated
- 2005-08-19
- Last updated
- 2014-02-05
Frequently asked questions
- What is James Longo's NPI number?
- James Longo's National Provider Identifier (NPI) is 1083606602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Longo's specialty?
- James Longo is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is James Longo located?
- James Longo's practice location on file with NPPES is 274 Heather Ct, Templeton, CA 93465-9738.
- What is James Longo's phone number?
- The practice phone number listed in the NPPES registry for James Longo is (805) 434-1859.
- Is James Longo's NPI active?
- Yes — James Longo's NPI (1083606602) is active in the NPPES registry as of the last update on 2014-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.