Marvin Ambriz, MD
NPI 1124648845 · Family Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marvin Ambriz, MD is a Family Medicine Physician provider in Los Angeles, CA (NPI 1124648845).
Provider details
- NPI number
- 1124648845
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A185334 (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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1403 Lomita Blvd Ste 200Harbor City, CA 90710-2086Phone: (310) 602-2550
Registry dates
- Enumerated
- 2020-04-22
- Last updated
- 2025-02-07
- Certified
- 2025-02-07
Frequently asked questions
- What is Marvin Ambriz's NPI number?
- Marvin Ambriz's National Provider Identifier (NPI) is 1124648845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Ambriz's specialty?
- Marvin Ambriz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marvin Ambriz located?
- Marvin Ambriz's practice location on file with NPPES is 5850 S Main St, Los Angeles, CA 90003-1215.
- What is Marvin Ambriz's phone number?
- The practice phone number listed in the NPPES registry for Marvin Ambriz is (323) 897-6000.
- Does Marvin Ambriz accept Medicare?
- Marvin Ambriz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marvin Ambriz's NPI active?
- Yes — Marvin Ambriz's NPI (1124648845) is active in the NPPES registry as of the last update on 2025-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.