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Active NPI 1245423854 Individual Practitioner Male Practitioner

Dr. Patrick Mcmahon , MD

Dermatology • Marlton, NJ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Patrick Mcmahon, MD is a certified Dermatology practicing in Marlton, NJ. With approximately 21 years of clinical experience since graduating from State University Of New York At Stony Brook, School Of Medicine in 2005, Dr. Mcmahon delivers high-quality medical care to the local community at 10000 SAGEMORE DR STE 10101.

Dr. Mcmahon maintains professional affiliations with Heymann, Manders, Green And Sommer, Llc., Cmc Department Of Medicine Group Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include skin application of tar and ultraviolet b or petrolatum and ultraviolet b. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

10000 Sagemore Dr Ste 10101

Marlton, NJ 080533944

Telephone 8565960111
Fax 8565967194
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

State University Of New York At Stony Brook, School Of Medicine

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Marlton, NJ

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
21 Yrs -1.5 yrs vs City Avg
City Avg: 22.5 Yrs
State Avg: 27.2 Yrs
Regional Practice Density
14 Specialists

Practicing in Marlton, NJ (444 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
33.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mcmahon (21 Years) 21 Yrs
Marlton Specialty Average (22.5 Years) 22.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
96910 Skin application of tar and ultraviolet B or petrolatum and ultraviolet B
74 21 $195.00 $128.85

Medical Specialties & State Licenses

CMS Verified: 2025-06-17
Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License NJ 25MA09188100

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Dermatology

NUCC Taxonomy Code: 207N00000X

State License PA MD432156

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Dermatology - Pediatric Dermatology

NUCC Taxonomy Code: 207NP0225X

State License NJ 25MA09188100

A pediatric dermatologist has, through additional special training, developed expertise in the treatment of specific skin disease categories with emphasis on those diseases which predominate in infants, children and adolescents.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License PA MD432156

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Hospital & Practice Group Affiliations

Heymann, Manders, Green And Sommer, Llc.

10000 Sagemore Dr, Marlton, NJ 080533944

Phone: 8565960111

Heymann, Manders, Green And Sommer, Llc.

640 S White Horse Pike, Hammonton, NJ 080372014

Phone: 8565960111

Cmc Department Of Medicine Group Pa

3 Cooper Plz, Camden, NJ 081031438

Heymann, Manders, Green And Sommer, Llc.

3 Cooper Plz, Camden, NJ 081031438

Phone: 8563422544

Cmc Department Of Medicine Group Pa

2 Cooper Plz, Camden, NJ 081031461

Phone: 8556322667

Cmc Department Of Medicine Group Pa

1 Cooper Plz, Camden, NJ 081031461

Phone: 8563424192

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners
NPI 1104894872

Doctor of Medicine (M.D.)

NPI 1457329104

Doctor of Medicine (M.D.)

Christina Ponzio , PA-C

Physician Assistant

NPI 1730513193

Physician Assistant (Certified)

NPI 1801438312

Physician Assistant (Certified)

Gabrielle Beach , PA-C

Physician Assistant

NPI 1881300168

Physician Assistant (Certified)

NPI 1891089033

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
📍
Updated Practice Location June 17, 2025

Registered at 10000 SAGEMORE DR STE 10101, MARLTON, NJ 080533944 (Tel: 8565960111)

📍
Updated Business Mailing Address June 17, 2025

Registered at 10000 SAGEMORE DR STE 10101, MARLTON, NJ 080533944 (Tel: 8565960111)

📍
Updated Practice Location October 03, 2024

Registered at 1 COOPER PLZ, CAMDEN, NJ 081031461 (Tel: 8563422000)

📍
Updated Business Mailing Address October 03, 2024

Registered at 1 FEDERAL ST STE 200, CAMDEN, NJ 081031088 (Tel: 8482886935)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 03, 2024

Dermatology (License #MD432156 in PA)

📍
Updated Practice Location October 05, 2022

Registered at 100 BRICK RD STE 306, MARLTON, NJ 080532146 (Tel: 8565960111)

📍
Updated Business Mailing Address October 05, 2022

Registered at 100 BRICK RD STE 306, MARLTON, NJ 080532146 (Tel: 8565960111)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 05, 2022

Dermatology (License #25MA09188100 in NJ)

NPI Profile Active January 14, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location January 14, 2014

Registered at 3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA, PHILADELPHIA, PA 191044319 (Tel: 2155909119)

📍
Updated Business Mailing Address January 14, 2014

Registered at 100 E PENN SQ, 9TH FLOOR NORTH SIDE, PHILADELPHIA, PA 191073323 (Tel: 2674259232)

👤
Provider Name / Credentials Updated January 14, 2014

Recorded as PATRICK MCMAHON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 14, 2014

Dermatology (License #MD432156 in PA)

🟢
Initial NPI Registration & Enumeration August 27, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1245423854
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 27, 2007
Last Update: June 17, 2025
Sole Proprietor: No

Mailing Address

10000 Sagemore Dr Ste 10101

Marlton, NJ 080533944

Phone: 8565960111

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.