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DR. JOHN WILLIAM MCMAHON JR. M.D.
NPI 1417060328
Obstetrics & Gynecology in Globe, AZ

Active since August 16, 2006PECOS EnrolledAccepts Medicare Assignment
5880 S HOSPITAL DR, GLOBE, AZ 85501(928) 425-3261(928) 425-3859 Get Directions Write a Review

NPPES record last updated: October 30, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 14, 2024, Oct 13, 2016 (2 updates tracked since 2016).

About Dr. John William Mcmahon Jr. M.d. NPPES

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

DR. JOHN WILLIAM MCMAHON JR. M.D. (NPI 1417060328) is an individual obstetrics & gynecology provider in Globe, Arizona, licensed in Arizona (11281097) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (1983).

NPPES Registry Identity

NPI1417060328
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. JOHN WILLIAM MCMAHON JR.Credential: M.D.
Location Address5880 S HOSPITAL DRGlobe, AZ 85501-9447
Mailing Address5880 S Hospital DrGlobe, AZ 85501-9447 · (406) 439-1274 · Fax (928) 425-3859
Phone(928) 425-3261
Fax(928) 425-3859
Sole ProprietorYes
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1983
Enumeration DateAugust 16, 2006
Last NPPES UpdateOctober 30, 20252 updates tracked since enumeration
NPPES CertifiedOctober 30, 2025
✔ NPI 1417060328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in AZ · 11281097
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License 6594 (MT)
5880 S HOSPITAL DR, Globe, AZ 85501
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Other Identifiers 2

Medicaid097116AZ
OtherCN6268MT · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.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. John William Mcmahon Jr. 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 ID9537230792
PECOS Enrollment IDI20210820002435
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

4

Medicare enrollment records show John Mcmahon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cobre Valley Regional Medical Center
Same address
Rural Health
5860 S HOSPITAL DR STE 103
Globe, AZ 85501
  • Reassigned Medicare billing, Arizona enrollment
  • Also billed through NPI 1871566521 (Arizona)
  • 94 clinicians in this Medicare group
NPI 1962896167 (928) 425-7108
Obhg Arizona, P.C.
61 mi
Obstetrics & Gynecology
1955 W FRYE RD
Chandler, AZ 85224
  • Reassigned Medicare billing, Arizona enrollment
  • Medicare enrollment name: Obhg Arizona PC
  • 98 clinicians in this Medicare group
NPI 1902188642 (864) 908-3530
Arizona Ob Gyn Affiliates PC
71 mi
Specialist
1661 E CAMELBACK RD STE 160
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 136 clinicians in this Medicare group
NPI 1750589404 (623) 231-3686
Banner Physician Specialists Arizona LLC
72 mi
Multi-Specialty
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 538 clinicians in this Medicare group
NPI 1033730429 (602) 747-4000

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 85501 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
$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 20

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

COBRE VALLEY REGIONAL MEDICAL CENTER
Clinical Medical Laboratory
5880 S HOSPITAL DR
GLOBE, AZ 85501
Gila County (928) 425-3261
VM HEALTH INITIATIVES LLC
Internal Medicine
5880 S HOSPITAL DR
GLOBE, AZ 85501
Gila County (702) 453-3799
DOUGLAS J KRELL MD
Obstetrics & Gynecology
5880 S HOSPITAL DR
GLOBE, AZ 85501
Gila County (928) 402-1131
DR. ROBIN BROZ D.O.
Pediatrics
5880 S HOSPITAL DR
GLOBE, AZ 85501
Gila County (928) 425-3859
DR. ATTILA MADY MD
Internal Medicine
5880 S HOSPITAL DR
GLOBE, AZ 85501
Gila County (702) 453-3799
GILA COUNTY RADIOLOGY PLLC
Radiology (Diagnostic Radiology)
5880 S HOSPITAL DR
GLOBE, AZ 85501
Gila County (480) 767-2111
MR. PETER B. PEIFER PA-C
Physician Assistant
5880 S HOSPITAL DR
GLOBE, AZ 85501
Gila County (928) 425-3247
TRANQUILIZED ANESTHESIA LLC
Nurse Anesthetist, Certified Registered
5880 S HOSPITAL DR
GLOBE, AZ 85501
Gila County (602) 273-6770

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 John Mcmahon's NPI number?

The NPI number for John Mcmahon is 1417060328. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is John Mcmahon located?

John Mcmahon practices at 5880 S Hospital Dr, Globe, AZ 85501. The listed phone number is (928) 425-3261.

What is John Mcmahon's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is John Mcmahon enrolled in Medicare?

Yes. John Mcmahon 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 John Mcmahon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Mcmahon reassigns Medicare benefits to 4 organizations: Cobre Valley Regional Medical Center (Globe, AZ), Obhg Arizona, P.C. (Chandler, AZ), Arizona Ob Gyn Affiliates PC (Phoenix, AZ) and Banner Physician Specialists Arizona LLC (Phoenix, 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 John Mcmahon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Mcmahon accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list John Mcmahon 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 John Mcmahon was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.