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MARTIN DOUGLAS BROWN LCSW
NPI 1699882456
Social Worker in Phoenix, AZ

Active since August 25, 2006PECOS Enrolled
11221 N 28TH DR BLDG E, PHOENIX, AZ 85029(602) 609-4456 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Martin Douglas Brown Lcsw NPPES

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

MARTIN DOUGLAS BROWN LCSW (NPI 1699882456) is an individual social worker in Phoenix, Arizona, licensed in Arizona (LCSW-19626) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1699882456
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMARTIN DOUGLAS BROWNCredential: LCSW
Location Address11221 N 28TH DR BLDG EPhoenix, AZ 85029-5615
Mailing Address4042 W Beverly LnPhoenix, AZ 85053-2730 · (518) 368-5797
Phone(602) 609-4456
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateAugust 25, 2006
Last NPPES UpdateFebruary 12, 2026
NPPES CertifiedFebruary 12, 2026
✔ NPI 1699882456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in AZ · LCSW-19626
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
11221 N 28TH DR BLDG E, Phoenix, AZ 85029
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Martin Douglas Brown Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID244224137
PECOS Enrollment IDI20260624003648
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 Reassignment

Medicare enrollment records show Martin Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southwest Behavioral Health Services, Inc.
Same address
Specialist
11221 N 28TH DR BLDG E
Phoenix, AZ 85029
  • Reassigned Medicare billing, Arizona enrollment
  • 137 clinicians in this Medicare group
NPI 1922517655 (602) 285-4318

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

Other Providers at the Same Location NPPES 14

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

JACQUELINE BILLECI
Counselor (Professional)
11221 N 28TH DR BLDG E
PHOENIX, AZ 85029
Maricopa County (602) 997-2233
BRINTHY VINAYAGA MOORTHY
Student in an Organized Health Care Education/Training Program
11221 N 28TH DR BLDG E
PHOENIX, AZ 85029
Maricopa County (602) 997-2233
SOUTHWEST BEHAVIORAL HEALTH SERVICES
Clinic/Center (Mental Health (Including Community Mental Health Center))
11221 N 28TH DR BLDG E
PHOENIX, AZ 85029
Maricopa County (602) 997-2233
MR. BRIAN PAUL COLWELL LPC
Counselor (Mental Health)
11221 N 28TH DR BLDG E
PHOENIX, AZ 85029
Maricopa County (602) 997-2233
AMANDA RACHEL KERR D.O.
Psychiatry & Neurology (Psychiatry)
11221 N 28TH DR BLDG E
PHOENIX, AZ 85029
Maricopa County (602) 997-2233
VICTORIA F THOMAS LPC
Counselor (Professional)
11221 N 28TH DR BLDG E
PHOENIX, AZ 85029
Maricopa County (602) 997-2233
CHASITY STAR SEZATE
Behavior Analyst
11221 N 28TH DR BLDG E
PHOENIX, AZ 85029
Maricopa County (480) 349-7117
SAMANTHA MONGOLD-CABRAL PSY.D
Psychologist (Clinical)
11221 N 28TH DR BLDG E
PHOENIX, AZ 85029
Maricopa County (602) 388-1700

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 Martin Brown's NPI number?

The NPI number for Martin Brown is 1699882456. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is Martin Brown located?

Martin Brown practices at 11221 N 28th Dr Bldg E, Phoenix, AZ 85029. The listed phone number is (602) 609-4456.

What is Martin Brown's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Martin Brown enrolled in Medicare?

Yes. Martin Brown is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Martin Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martin Brown reassigns Medicare benefits to Southwest Behavioral Health Services, Inc. (Phoenix, AZ). The 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 Martin Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martin Brown accept?

Health plans from Ambetter from Arizona Complete Health and Blue Cross Blue Shield of Arizona list Martin Brown as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Martin Brown was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.