Graham Mcmahon, M.D., M.M.SC.

Endocrinology

GenderMaleNPI1275512477Affiliated sites1

Affiliated Health Centers

Graham Mcmahon is affiliated with 1 federally qualified health center location.

Howard Brown Sheridan

4025 N Sheridan Rd, Chicago, IL 60613-2010

Medicare★ 2.9 Google (125)

View clinic →

Specialty Care Services

Gastroenterology, nephrology, infectious disease, and more — specialty care co-located at community health centers.

Gastroenterology

Nephrology & kidney care

Infectious disease (HIV/Hep C)

Orthopedic care

Urology

ENT services

Endocrinology

Browse all Specialty Care clinics →

Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

Verify on NPI Registry

Confirm current license and practice information on the official CMS NPI registry.

View NPI Record

Endocrinology

Providing endocrinology services at federally qualified health centers with sliding fee scale options.

View services →

Affiliated Health Center

Howard Brown Sheridan

View quality scores & reviews →

Browse

All clinicians →Endocrinology clinicians →Browse health centers →

Going to a Community Health Center?

These clinics charge based on what you earn, and are funded to serve people who cannot pay much.

Who can be seen here →What a visit costs →What to bring to your first visit →What is an FQHC? →

Graham Mcmahon, M.D., M.M.SC.

Affiliated Health Centers

Specialty Care Services

Related Clinicians

Other Clinicians at These Health Centers

Other Endocrinology Clinicians

Verify on NPI Registry

Endocrinology

Affiliated Health Center

Browse

Going to a Community Health Center?