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

William Stephen McMahon, MD

Individual provider Pediatric Cardiology Physician · NPI 1073558458

William Stephen McMahon, MD is a Pediatric Medicine in Birmingham, Alabama. Graduated from University of North Carolina at Chapel Hill School of Medicine in 1988, 38 years ago. Practices with University of Alabama Health Services Foundation, PC, a 2,759-clinician group and accepts Medicare assignment. Licensed in Alabama.

Years since qualifying
38
Trained at
University of North Carolina at Chapel Hill School of Medicine
Licensed in
AL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1700 6th Ave S Ste 9100
Birmingham, AL 35233-1802
Phone: (205) 934-3460
Fax: (205) 975-6291
Show map & directions

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

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence 14871 (AL)

Record details

NPI number1073558458
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 18, 2006
Last updated in NPPESFebruary 4, 2021
Certification dateFebruary 4, 2021
Mailing addressPo Box 55823, Birmingham, AL 35255-5823

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice University Of Alabama Health Services Foundation, Pc — 2759 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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