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DR. MARYANNE AMOUR MD
NPI 1487395992
Internal Medicine in Torrance, CA

Active since April 06, 2022PECOS EnrolledAccepts Medicare Assignment
1000 W CARSON ST # 400, TORRANCE, CA 90502(424) 306-5571 Get Directions Write a Review

NPPES record last updated: December 23, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 23, 2024, Apr 6, 2022 (2 updates tracked since 2022).

About Dr. Maryanne Amour Md NPPES

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

DR. MARYANNE AMOUR MD (NPI 1487395992) is an individual internal medicine provider in Torrance, California, licensed in California (A190708) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2022).

NPPES Registry Identity

NPI1487395992
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARYANNE AMOURCredential: MD
Location Address1000 W CARSON ST # 400Torrance, CA 90502-2059
Mailing Address1000 W Carson St # 400Torrance, CA 90502-2059
Phone(424) 306-5571
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2022
Enumeration DateApril 6, 2022
Last NPPES UpdateDecember 23, 20242 updates tracked since enumeration
NPPES CertifiedDecember 23, 2024
✔ NPI 1487395992 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A190708
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1000 W CARSON ST # 400, Torrance, CA 90502
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Maryanne Amour 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 ID7911403829
PECOS Enrollment IDI20250930003382
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Maryanne Amour reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Los Angeles
Same address
General Acute Care Hospital
1000 W CARSON ST # 2
Torrance, CA 90502
  • Reassigned Medicare billing, California enrollment
  • 1,939 clinicians in this Medicare group
NPI 1851363188 (310) 222-2171
Genesis Hospitalist Medical Group, Inc.
18 mi
Internal Medicine
8700 BEVERLY BLVD
West Hollywood, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 20 clinicians in this Medicare group
NPI 1316641855 (310) 786-7204

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90502 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

MARGARITA MARTINEZ MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 400
TORRANCE, CA 90502
Los Angeles County (424) 306-5571
GARNIER MANI
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 400
TORRANCE, CA 90502
Los Angeles County (424) 306-4000
ERIC LIN
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 400
TORRANCE, CA 90502
Los Angeles County (424) 306-4000
MICHELLEE MAYERS
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 400
TORRANCE, CA 90502
Los Angeles County (424) 306-5570
SHRUTI AMIN MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 400
TORRANCE, CA 90502
Los Angeles County (424) 306-5571
MENGYING GUO
Internal Medicine
1000 W CARSON ST # 400
TORRANCE, CA 90502
Los Angeles County (310) 222-2401
DUONG TOMMY HI HUA JR. MD
Internal Medicine
1000 W CARSON ST # 400
TORRANCE, CA 90502
Los Angeles County (310) 222-2401
DR. JANE C WEE MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST # 400
TORRANCE, CA 90502
Los Angeles County (424) 306-5571

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 Maryanne Amour's NPI number?

The NPI number for Maryanne Amour is 1487395992. It was assigned to this individual provider in the NPPES registry on April 6, 2022.

Where is Maryanne Amour located?

Maryanne Amour practices at 1000 W Carson St # 400, Torrance, CA 90502. The listed phone number is (424) 306-5571.

What is Maryanne Amour's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Maryanne Amour enrolled in Medicare?

Yes. Maryanne Amour 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.

Which organizations bill Medicare for Maryanne Amour's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maryanne Amour reassigns Medicare benefits to 2 organizations: County Of Los Angeles (Torrance, CA) and Genesis Hospitalist Medical Group, Inc. (West Hollywood, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maryanne Amour's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maryanne Amour was last updated on December 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.