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MARTIN J GRUENBERG DO
NPI 1326139247
Preventive Medicine - Occupational Medicine in Mesa, AZ

Active since September 27, 2006PECOS Enrolled
2550 N THUNDERBIRD CIR, SUITE 303, MESA, AZ 85215(480) 776-1603(480) 455-4940 Get Directions Write a Review

NPPES record last updated: April 5, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Martin J Gruenberg Do NPPES

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

MARTIN J GRUENBERG DO (NPI 1326139247) is an individual occupational medicine provider in Mesa, Arizona, licensed in Arizona (4496) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326139247
Entity TypeIndividualMale
Primary Taxonomy2083X0100X
Provider Legal NameMARTIN J GRUENBERGCredential: DO
Location Address2550 N THUNDERBIRD CIR, SUITE 303Mesa, AZ 85215-1214
Mailing Address2550 N Thunderbird Cir, Suite 303Mesa, AZ 85215-1214 · (480) 776-1603 · Fax (480) 455-4940
Phone(480) 776-1603
Fax(480) 455-4940
Sole ProprietorNo
Enumeration DateSeptember 27, 2006
Last NPPES UpdateApril 5, 2013
✔ NPI 1326139247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPreventive Medicine · Occupational MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083X0100X
License✔ Licensed in AZ · 4496
Definition
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 25MB05665000 (NJ)
Also ListedFamily MedicineTaxonomy 207Q00000X · License 25MB05665000 (NJ)
2550 N THUNDERBIRD CIR, Mesa, AZ 85215
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Other Identifiers 6

Medicare ID-Type Unspecified440166NJ
Medicare PINZ126048AZ
Medicare UPINZ125929AZ
Medicaid8486905NJ
Medicare UPINZ125930AZ
Medicare PINZ120952AZ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Martin J Gruenberg Do 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 Reassignment

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

Baart Behavioral Health Services, Inc.
13 mi
Rehabilitation, Substance Use Disorder
908 W CHANDLER BLVD # B, SUITE 4
Chandler, AZ 85225
  • Reassigned Medicare billing, Arizona enrollment
NPI 1649449836 (480) 899-0200

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 85215 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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 7

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

TESS C CHARLES PA-C
Physician Assistant
2550 N THUNDERBIRD CIR, SUITE 303
MESA, AZ 85215
Maricopa County (480) 289-7890
LOIS E BRENNEMAN FNP
Nurse Practitioner (Family)
2550 N THUNDERBIRD CIR
MESA, AZ 85215
Maricopa County (480) 353-2235
MS. MINDI MIRGELER PAC
Physician Assistant (Medical)
2550 N THUNDERBIRD CIR, SUITE 303
MESA, AZ 85215
Maricopa County (480) 924-8382
DR. ROBERT J FURMAN M.D.
Internal Medicine
2550 N THUNDERBIRD CIR, SUITE 303
MESA, AZ 85215
Maricopa County (480) 924-8382
JESSICA DETTRA P.A.
Physician Assistant
2550 N THUNDERBIRD CIR, SUITE 303
MESA, AZ 85215
Maricopa County (480) 289-7890
NEXTCARE PRIMARY CARE SOUTH TEXAS PLLC
Family Medicine
2550 N THUNDERBIRD CIR
MESA, AZ 85215
Maricopa County (480) 776-1600
PHYTCARE LLC
Physical Medicine & Rehabilitation
2550 N THUNDERBIRD CIR, STE 303
MESA, AZ 85215
Maricopa County (800) 849-5609

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 Gruenberg's NPI number?

The NPI number for Martin Gruenberg is 1326139247. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Where is Martin Gruenberg located?

Martin Gruenberg practices at 2550 N Thunderbird Cir Suite 303, Mesa, AZ 85215. The listed phone number is (480) 776-1603.

What is Martin Gruenberg's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

Is Martin Gruenberg enrolled in Medicare?

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

Which organization bills Medicare for Martin Gruenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martin Gruenberg reassigns Medicare benefits to Baart Behavioral Health Services, Inc. (Chandler, 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 Gruenberg'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 Martin Gruenberg was last updated on April 5, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.