Dr. Mark Mahon, MD
- Hospital affiliations
- 1
- Industry payments
- $14
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 3401 Civic Center Blvd, Philadelphia, PA 19104
- Practice phone
- Call (215) 590-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mahon's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark Mahon is a pediatric gastroenterology physician in Philadelphia, Pennsylvania
Dr. Mahon practices at Children's Hospital of Philadelphia in Philadelphia, Pennsylvania, part of Children's Hospital of Philadelphia.
Dr. Mahon's NPI, 1184276966, was assigned on July 12, 2019. Dr. Mahon holds Pennsylvania license MT224821.
- NPI
- 1184276966NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2019
- NPI status
- Active
- Practice phone
- (215) 590-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark Mahon practices at Children's Hospital of Philadelphia in Philadelphia, Pennsylvania
Dr. Mahon's primary practice is Children's Hospital of Philadelphia, at 3401 Civic Center Blvd, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 590-1000.
- Children's Hospital of Philadelphia3401 Civic Center Blvd, Philadelphia, PA 19104 · Philadelphia CountyPhone(215) 590-1000
Source: Dmand AI Affiliation Data
Dr. Mark Mahon is affiliated with 1 site of care and 1 medical group
Dr. Mahon's primary practice is Children's Hospital of Philadelphia in Philadelphia, Pennsylvania, part of Children's Hospital of Philadelphia. The medical group on file is CHCA Allergy & Immunology.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Mahon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital of Philadelphia | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Children's Hospital of Philadelphia and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Mahon is one of 135 pediatric gastroenterology physicians in Pennsylvania
Pediatric gastroenterology is Dr. Mahon's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Mahon is licensed in Pennsylvania.
Specialties and state licenses
- Pediatric gastroenterology, PennsylvaniaPrimary
Pediatric gastroenterology physicians near Dr. Mahon
Counts of pediatric gastroenterology physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Mahon's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Mahon's median patient age at 12, with 48% women.
Dr. Mahon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women48%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Mark Mahon received $14 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Mahon from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $14.
Companies that paid Dr. Mahon the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark Mahon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Mahon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark Mahon's NPI number?
Dr. Mark Mahon's NPI number is 1184276966. It was assigned on July 12, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Mahon?
Dr. Mark Mahon is a pediatric gastroenterology physician in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).
Where does Dr. Mark Mahon practice?
Dr. Mahon practices at 3401 Civic Center Blvd, Philadelphia, PA 19104. Dr. Mahon's primary practice is Children's Hospital of Philadelphia in Philadelphia, Pennsylvania, part of Children's Hospital of Philadelphia.
What is Dr. Mark Mahon's office phone number?
The practice phone on file for Dr. Mahon is (215) 590-1000.
What is Dr. Mark Mahon's medical license number?
Dr. Mahon holds Pennsylvania license MT224821.
Which hospitals is Dr. Mark Mahon affiliated with?
Dr. Mahon practices at Children's Hospital of Philadelphia in Philadelphia, Pennsylvania.
What medical group is Dr. Mark Mahon part of?
Dr. Mahon is linked to CHCA Allergy & Immunology.
Has Dr. Mark Mahon received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Mahon from 1 company from 2023 to 2023. The largest total came from Hologic Inc.
How long has Dr. Mark Mahon been practicing?
Dr. Mahon's NPI was assigned in 2019.
Selling to pediatric gastroenterology practices?
See pediatric gastroenterology physicians in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card