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DR. MATTHEW WARREN MOTLEY M.D., PH.D.
NPI 1639558760
Psychiatry & Neurology - Psychiatry in Los Angeles, CA

Active since May 21, 2015PECOS Enrolled
1031 W 34TH ST STE 500, LOS ANGELES, CA 90089(213) 764-2800(213) 764-2888 Get Directions Write a Review

NPPES record last updated: January 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 2, 2025, Mar 5, 2024, Jul 11, 2019 (3 updates tracked since 2019).

About Dr. Matthew Warren Motley M.d., Ph.d. NPPES

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

DR. MATTHEW WARREN MOTLEY M.D., PH.D. (NPI 1639558760) is an individual psychiatry provider in Los Angeles, California, licensed in California (A161263) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Los Angeles.

NPPES Registry Identity

NPI1639558760
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MATTHEW WARREN MOTLEYCredential: M.D., PH.D.
Location Address1031 W 34TH ST STE 500Los Angeles, CA 90089-3602
Mailing Address1031 W 34th St Ste 500Los Angeles, CA 90089-3602 · (213) 764-2800 · Fax (213) 764-2888
Phone(213) 764-2800
Fax(213) 764-2888
Sole ProprietorNo
Enumeration DateMay 21, 2015
Last NPPES UpdateJanuary 2, 20253 updates tracked since enumeration
NPPES CertifiedJanuary 2, 2025
✔ NPI 1639558760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CA · A161263✔ Licensed in NY · 285730
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1031 W 34TH ST STE 500, Los Angeles, CA 90089
Open in Google Maps ↗

Secondary Practice Location 1

Location 11500 San Pablo StLos Angeles, CA 90033-5313 · Phone (800) 872-2273

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Matthew Warren Motley M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Matthew Motley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usc Care Medical Group, Inc
5.6 mi
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
NPI 1902846306 (323) 442-5955
New York University
2,327 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964

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 90089 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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.

MISS CHRISTINA MOHAJERANI PSYD
Psychologist (Clinical)
1031 W 34TH ST STE 500
LOS ANGELES, CA 90089
Los Angeles County (213) 821-6500
MING-CHE TU PSYD
Psychologist (Clinical)
1031 W 34TH ST STE 500
LOS ANGELES, CA 90089
Los Angeles County (213) 821-6500
DR. SHANNON DUNN PHD, LCSW
Social Worker (Clinical)
1031 W 34TH ST STE 500
LOS ANGELES, CA 90089
Los Angeles County (213) 821-6500
JACEK BERNARD WYSOCKI LMFT
Marriage & Family Therapist
1031 W 34TH ST STE 500
LOS ANGELES, CA 90089
Los Angeles County (213) 821-6500
DR. SEPEHR AZIZ DO
Psychiatry & Neurology (Psychiatry)
1031 W 34TH ST STE 500
LOS ANGELES, CA 90089
Los Angeles County (213) 764-2800
SARAH RACHEL RUFFMAN
Social Worker (Clinical)
1031 W 34TH ST STE 500
LOS ANGELES, CA 90089
Los Angeles County (213) 821-6500
DR. CASSANDRA PENTZIEN PHD
Psychologist (Clinical)
1031 W 34TH ST STE 500
LOS ANGELES, CA 90089
Los Angeles County (213) 821-6500
MR. ANDREW CHEN
Marriage & Family Therapist
1031 W 34TH ST STE 500
LOS ANGELES, CA 90089
Los Angeles County (213) 821-6500

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 Matthew Motley's NPI number?

The NPI number for Matthew Motley is 1639558760. It was assigned to this individual provider in the NPPES registry on May 21, 2015.

Where is Matthew Motley located?

Matthew Motley practices at 1031 W 34th St Ste 500, Los Angeles, CA 90089. The listed phone number is (213) 764-2800.

What is Matthew Motley's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Matthew Motley enrolled in Medicare?

Yes. Matthew Motley is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Matthew Motley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Motley reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and New York University (Boynton Beach, FL). 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 Matthew Motley'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 Matthew Motley was last updated on January 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.