MARVIN AMBRIZ MD
NPI 1124648845
Family Medicine in Los Angeles, CA

Active since April 22, 2020PECOS EnrolledAccepts Medicare Assignment
5850 S MAIN ST, LOS ANGELES, CA 90003(323) 897-6000 Get Directions Write a Review

NPPES record last updated: February 7, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 7, 2025, Apr 22, 2020 (2 updates tracked since 2020).

About Marvin Ambriz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARVIN AMBRIZ MD (NPI 1124648845) is an individual family medicine provider in Los Angeles, California, licensed in California (A185334) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Harbor City, and is a graduate of University Of California, Geffen School Of Medicine (2020).

NPPES Registry Identity

NPI1124648845
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMARVIN AMBRIZCredential: MD
Location Address5850 S MAIN STLos Angeles, CA 90003-1215
Mailing Address5850 S Main StLos Angeles, CA 90003-1215 · (323) 897-6000
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2020
Enumeration DateApril 22, 2020
Last NPPES UpdateFebruary 7, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2025
NPI 1124648845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · A185334
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5850 S MAIN ST, Los Angeles, CA 90003

Secondary Practice Location 1

Location 11403 Lomita Blvd Ste 200Harbor City, CA 90710-2086 · Phone (310) 602-2550

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Marvin Ambriz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214438233
PECOS Enrollment IDI20250831000401
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Licensed Vocational Nurse
5850 S MAIN ST
LOS ANGELES, CA 90003
Physician Assistant (Medical)
5850 S MAIN ST
LOS ANGELES, CA 90003
Registered Nurse (Ambulatory Care)
5850 S MAIN ST
LOS ANGELES, CA 90003
Internal Medicine
5850 S MAIN ST
LOS ANGELES, CA 90003
Registered Nurse
5850 S MAIN ST
LOS ANGELES, CA 90003
Nurse Practitioner
5850 S MAIN ST
LOS ANGELES, CA 90003
Licensed Vocational Nurse
5850 S MAIN ST
LOS ANGELES, CA 90003
Family Medicine
5850 S MAIN ST
LOS ANGELES, CA 90003

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marvin Ambriz's NPI number?

The NPI number for Marvin Ambriz is 1124648845. It was assigned to this individual provider in the NPPES registry on April 22, 2020.

Where is Marvin Ambriz located?

Marvin Ambriz practices at 5850 S Main St, Los Angeles, CA 90003. The listed phone number is (323) 897-6000.

What is Marvin Ambriz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Marvin Ambriz enrolled in Medicare?

Yes. Marvin Ambriz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Marvin Ambriz was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.