F. Montelongo M.D Inc
NPI 1821259334 · Clinic/Center · Orange, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
F. Montelongo M.D Inc is a Clinic/Center organization in Orange, CA (NPI 1821259334).
Provider details
- NPI number
- 1821259334
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Fernando Montelongo, Doctor(714) 997-8050
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-06-18
- Last updated
- 2008-06-18
Frequently asked questions
- What is F. Montelongo M.D Inc's NPI number?
- F. Montelongo M.D Inc's National Provider Identifier (NPI) is 1821259334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is F. Montelongo M.D Inc?
- F. Montelongo M.D Inc is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is F. Montelongo M.D Inc located?
- F. Montelongo M.D Inc's practice location on file with NPPES is 932 E Chapman Ave, Orange, CA 92866-2109.
- What is F. Montelongo M.D Inc's phone number?
- The practice phone number listed in the NPPES registry for F. Montelongo M.D Inc is (714) 997-8050.
- Does F. Montelongo M.D Inc accept Medicare?
- F. Montelongo M.D Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for F. Montelongo M.D Inc?
- The authorized official listed on F. Montelongo M.D Inc's NPPES record is Fernando Montelongo, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is F. Montelongo M.D Inc's NPI active?
- Yes — F. Montelongo M.D Inc's NPI (1821259334) is active in the NPPES registry as of the last update on 2008-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.