Marvin Ambriz, MD

Individual provider Active NPI Family Medicine Physician · Los Angeles, CA

NPI 1124648845 · NPPES record last updated Feb 7, 2025

Key facts

NPI
1124648845
Entity type
Individual (NPI type 1)
Primary specialty
Family Medicine Physician 207Q00000X
License
A185334 (CA)
Practice address
5850 S Main St
Los Angeles, CA 90003-1215
Phone
(323) 897-6000
NPI assigned
Apr 22, 2020
Sex
Male
Sole proprietor
No

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Family Practice
Education
University of California, Geffen School of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
County of Los Angeles (395 clinicians)

Practice addresses (Care Compare)

5850 S Main St
Los Angeles, CA 90003-1215
Phone (323) 897-6000

Hospital & facility affiliations

  • Lac/Harbor-UCLA Med Center Hospital · Torrance, CA · CCN 050376

Medicare participation

Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20250831000401 CA Practitioner - Family Practice 7214438233 Reassigns benefits to 1 organization

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A185334CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Los Angeles Current
since Jun 19, 2025
Accepting new patients
County of Los Angeles Current
since Jun 19, 2025
Accepting new patients
County of Los Angeles Current Accepting new patients

Locations

1000 S Fremont Ave
Unit 9
Alhambra, CA 91803

5850 S Main St
Los Angeles, CA 90003
Phone (323) 846-4312

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A185334 CA Yes

Addresses

Primary practice location

5850 S Main St
Los Angeles, CA 90003-1215

Mailing address

5850 S Main St
Los Angeles, CA 90003-1215
Phone (323) 897-6000

Other practice location 1

1403 Lomita Blvd Ste 200
Harbor City, CA 90710-2086
Phone (310) 602-2550

Other providers in Los Angeles, CA

All providers in Los Angeles, CA · Family Medicine Physician in California

Sources for this page

Verify at the official NPI Registry.