Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John William McMahon Jr., MD

Individual provider Obstetrics Physician · NPI 1417060328

Dr. John William McMahon Jr., MD is an Obstetrics/Gynecology in Globe, Arizona. Graduated from University of Washington School of Medicine in 1983, 43 years ago. Practices with Arizona OB GYN Affiliates PC, a 121-clinician group and accepts Medicare assignment. Licensed in Arizona and Montana.

Years since qualifying
43
Trained at
University of Washington School of Medicine
Licensed in
AZ, MT
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5880 S Hospital Dr
Globe, AZ 85501-9447
Phone: (928) 425-3261
Fax: (928) 425-3859
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 11281097 (AZ)
Obstetrics Physician Taxonomy 207VX0000X · Licence 6594 (MT)

Record details

NPI number1417060328
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 16, 2006
Last updated in NPPESOctober 30, 2025
Certification dateOctober 30, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Arizona Ob Gyn Affiliates Pc — 121 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare