Joseph N. Gregurich, M.D.
NPI 1578656195 · Family Medicine Physician · Fountain Valley, CA
Joseph N. Gregurich, M.D. is a Family Medicine Physician organization in Fountain Valley, CA (NPI 1578656195).
Provider details
- NPI number
- 1578656195
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Joseph Gregurich, Owner(714) 556-8320
- License
- G20621 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2016-12-07
Frequently asked questions
- What is Joseph N. Gregurich, M.D.'s NPI number?
- Joseph N. Gregurich, M.D.'s National Provider Identifier (NPI) is 1578656195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Joseph N. Gregurich, M.D.?
- Joseph N. Gregurich, M.D. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph N. Gregurich, M.D. located?
- Joseph N. Gregurich, M.D.'s practice location on file with NPPES is 11100 Warner Ave, Fountain Valley, CA 92708-7506.
- What is Joseph N. Gregurich, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Joseph N. Gregurich, M.D. is (714) 556-8320.
- Who is the authorized official for Joseph N. Gregurich, M.D.?
- The authorized official listed on Joseph N. Gregurich, M.D.'s NPPES record is Joseph Gregurich, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Joseph N. Gregurich, M.D.'s NPI active?
- Yes — Joseph N. Gregurich, M.D.'s NPI (1578656195) is active in the NPPES registry as of the last update on 2016-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.