MARK MAHON MD – NPI #1184276966
Pediatrics

A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.

MARK MAHON is a physician located in PHILADELPHIA, PA. NPPES has assigned the NPI number 1184276966 to MARK MAHON on July 12, 2019. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 2080P0206X from the Health Care Provider Taxonomy code set, which is classified as Pediatrics, specializing in Pediatric Gastroenterology

The NPI profile was last updated on Dec 04, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MARK MAHON below.

NPI Profile for
MARK MAHON

NPI Number
1184276966
Enumeration Date

(about 7 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
MARK MAHON
Credentials
MD
Primary location
3401 CIVIC CENTER BLVD
DIVISION OF PEDIATRIC GASTROENTEROLOGY
PHILADELPHIA, PA 19104
Phone: (215) 590-3247 Fax:
1 Other location(s):
1400 Pelham Pkwy S
Bronx, NY 10461-1138
Phone: (718) 918-6315
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Dec 04, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
2080P0206X
- Pediatrics / Pediatric Gastroenterology (Primary)
PA MT224821
390200000X
- Student in an Organized Health Care Education/Training Program
208000000X
- Pediatrics
PA MD477537

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.