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

Patrick McMahon, MD

Individual provider Dermatology Physician · NPI 1245423854

Patrick McMahon, MD is a Dermatology in Marlton, New Jersey. Graduated from State University of New York at Stony Brook, School of Medicine in 2005, 21 years ago. Practices with Cmc Department of Medicine Group PA, a 474-clinician group and accepts Medicare assignment. Licensed in New Jersey and Pennsylvania.

Years since qualifying
21
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
NJ, PA
In the registry since
2007
Specialties on file
4
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

10000 Sagemore Dr Ste 10101
Marlton, NJ 08053-3944
Phone: (856) 596-0111
Fax: (856) 596-7194
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 25MA09188100 (NJ)
Dermatology Physician Taxonomy 207N00000X · Licence MD432156 (PA)
Pediatric Dermatology Physician Taxonomy 207NP0225X · Licence 25MA09188100 (NJ)
Pediatrics Physician Taxonomy 208000000X · Licence MD432156 (PA)

Record details

NPI number1245423854
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 27, 2007
Last updated in NPPESJune 17, 2025
Certification dateJune 17, 2025
Mailing address10000 Sagemore Dr Ste 10101, Marlton, NJ 08053-3944

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Also practisesEMERGENCY MEDICINE, PEDIATRIC MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Cmc Department Of Medicine Group Pa — 474 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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