DR. CARLOS GILBERTO DIAZ M.D.
NPI 1043287048
Psychiatry & Neurology - Psychiatry in Phoenix, AZ

Active since March 08, 2006PECOS EnrolledAccepts Medicare Assignment
202 E EARLL DR STE 200, PHOENIX, AZ 85012(602) 599-5434 Get Directions Write a Review

NPPES record last updated: November 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 13, 2024, Jan 30, 2020, Apr 16, 2018 (3 updates tracked since 2018).

About Dr. Carlos Gilberto Diaz M.d. NPPES

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

DR. CARLOS GILBERTO DIAZ M.D. (NPI 1043287048) is an individual psychiatry provider in Phoenix, Arizona, licensed in Arizona (44137) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Puerto Rico School Of Medicine (1989).

NPPES Registry Identity

NPI1043287048
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. CARLOS GILBERTO DIAZCredential: M.D.
Location Address202 E EARLL DR STE 200Phoenix, AZ 85012-2647
Mailing Address5102 W Campbell AvePhoenix, AZ 85031-1703 · (602) 655-1905 · Fax (602) 655-9504
Sole ProprietorNo
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1989
Enumeration DateMarch 8, 2006
Last NPPES UpdateNovember 13, 20243 updates tracked since enumeration
NPPES CertifiedNovember 13, 2024
✔ NPI 1043287048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in AZ · 44137
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.
202 E EARLL DR STE 200, Phoenix, AZ 85012

Other Identifiers 1

Medicaid589408AZ

Accepted Insurance

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. Carlos Gilberto Diaz M.d. 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 ID7416143060
PECOS Enrollment IDI20110406000920
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

3

Medicare enrollment records show Carlos Diaz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pulmonary Disease
2525 E ROOSEVELT ST, MED CLINIC - PULMONARY
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
Adult Mental Health
2525 E ROOSEVELT ST
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 285 clinicians in this Medicare group
Psychiatry
1910 S STAPLEY DR STE 209
Mesa, AZ 85204
  • Reassigned Medicare billing, Arizona enrollment
  • 97 clinicians in this Medicare group

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 85012 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
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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 4

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

Counselor (Professional)
202 E EARLL DR STE 200
PHOENIX, AZ 85012
Social Worker (Clinical)
202 E EARLL DR STE 200
PHOENIX, AZ 85012
Community/Behavioral Health
202 E EARLL DR STE 200
PHOENIX, AZ 85012
Case Manager/Care Coordinator
202 E EARLL DR STE 200
PHOENIX, AZ 85012

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 Carlos Diaz's NPI number?

The NPI number for Carlos Diaz is 1043287048. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Carlos Diaz located?

Carlos Diaz practices at 202 E Earll Dr Ste 200, Phoenix, AZ 85012. The listed phone number is (602) 599-5434.

What is Carlos Diaz's specialty?

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

Is Carlos Diaz enrolled in Medicare?

Yes. Carlos Diaz 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 Carlos Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Diaz reassigns Medicare benefits to 3 organizations: District Medical Group, Inc (Phoenix, AZ), Maricopa County Special Health Care District (Phoenix, AZ) and Family Care Center, LLC (Mesa, AZ). 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 Carlos Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carlos Diaz accept?

Health plans from Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Imperial Insurance Companies, Inc. list Carlos Diaz 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 Carlos Diaz was last updated on November 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.