Dianne Longo
NPI 1720403553 · Sports Medicine (Family Medicine) Physician · Fullerton, CA
Dianne Longo is a Sports Medicine (Family Medicine) Physician provider in Fullerton, CA (NPI 1720403553).
Provider details
- NPI number
- 1720403553
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 2251P0200X (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
12 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
- 2014-03-03
- Last updated
- 2014-03-03
Frequently asked questions
- What is Dianne Longo's NPI number?
- Dianne Longo's National Provider Identifier (NPI) is 1720403553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianne Longo's specialty?
- Dianne Longo is listed in the NPPES registry with a primary specialty of Sports Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Dianne Longo located?
- Dianne Longo's practice location on file with NPPES is 1319 Evergreen Ave, Fullerton, CA 92835-2063.
- What is Dianne Longo's phone number?
- The practice phone number listed in the NPPES registry for Dianne Longo is (714) 697-8359.
- Is Dianne Longo's NPI active?
- Yes — Dianne Longo's NPI (1720403553) is active in the NPPES registry as of the last update on 2014-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.