MENDRIX MEDICAL ASSOCIATES INC
NPI 1104657642
Psychiatry & Neurology - Psychiatry in Gardena, CA

Active since August 07, 2024
18726 S WESTERN AVE STE 320, GARDENA, CA 90248(310) 773-8975(702) 977-1496 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 9, 2025, Dec 19, 2024, Dec 11, 2024 and 1 more (4 updates tracked since 2024).

About Mendrix Medical Associates Inc NPPES

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

MENDRIX MEDICAL ASSOCIATES INC (NPI 1104657642) is a healthcare organization registered as a psychiatry in Gardena, California and active in the NPI registry since August 2024. The organization lists Kacey Callison, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1104657642
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameMENDRIX MEDICAL ASSOCIATES INC
Location Address18726 S WESTERN AVE STE 320Gardena, CA 90248-3812
Mailing Address8601 Lincoln Blvd # 180-567Los Angeles, CA 90045-3554 · Fax (702) 977-1496
Fax(702) 977-1496
Organization SubpartNo
Authorized OfficialKacey CallisonAuthorized Official · (918) 237-1281
Enumeration DateAugust 7, 2024
Last NPPES UpdateApril 9, 20254 updates tracked since enumeration
NPPES CertifiedApril 9, 2025
✔ NPI 1104657642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
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.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X
18726 S WESTERN AVE STE 320, Gardena, CA 90248

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mendrix Medical Associates Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Mendrix Medical Associates Inc, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Nurse Practitioner
NPI 1437382652
18202 COLTMAN AVE
Carson, CA 90746
(310) 658-7879
✔ PECOS2.1 mi
Clinical Psychologist
NPI 1699960021
335 E ALBERTONI ST STE 200-722
Carson, CA 90746
(310) 738-9271
✔ PECOS2.4 mi
Nurse Practitioner
NPI 1770272429
11900 AVALON BLVD STE 100B
Los Angeles, CA 90061
(424) 468-2194
✔ PECOS5.1 mi
Nurse Practitioner
NPI 1750625588
4945 ANGELES VISTA BLVD
Los Angeles, CA 90043
(310) 409-5160
✔ PECOS✔ Accepts Medicare9.6 mi
Nurse Practitioner
NPI 1184920050
9808 VENICE BLVD SUITE 700
Culver City, CA 90232
(310) 945-3350
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1508199191
14408 DARTMOOR AVE
Norwalk, CA 90650
(323) 599-9795
✔ PECOS14 mi
Nurse Practitioner
NPI 1013439405
38350 40TH ST E
Palmdale, CA 93552
(661) 225-3050
✔ PECOS52 mi
Psychiatry
NPI 1205021532
13451 SE 36TH ST
Bellevue, WA 98006
(425) 562-1337
✔ PECOS✔ Accepts Medicare968 mi
Internal Medicine
NPI 1639597701
650 JOEL DR
Fort Campbell, KY 42223
(310) 404-8502
✔ PECOS✔ Accepts Medicare1,748 mi

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

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 Mendrix Medical Associates Inc's NPI number?

The NPI number for Mendrix Medical Associates Inc is 1104657642. It was assigned to this organization in the NPPES registry on August 7, 2024.

Where is Mendrix Medical Associates Inc located?

Mendrix Medical Associates Inc is located at 18726 S Western Ave Ste 320, Gardena, CA 90248. The listed phone number is (310) 773-8975.

What is Mendrix Medical Associates Inc's specialty?

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

Is Mendrix Medical Associates Inc enrolled in Medicare?

Yes. Mendrix Medical Associates Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mendrix Medical Associates Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 4 Medicare specialties reassign their Medicare billing to Mendrix Medical Associates Inc. A 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 the clinician's services. The largest specialties are Nurse Practitioner (6), Clinical Psychologist (1) and Internal Medicine (1). Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mendrix Medical Associates Inc was last updated on April 9, 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.