Dr. Mary E. Fontana-Penn, MD
- Medicare services, 2019
- 37
- Part D claims, 2018
- 44
- Industry payments
- $1,609
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 481 John Young Way, Exton, PA 19341
- Practice phone
- Call (215) 590-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chca Allergy & Immunology
Exton, Pennsylvania
Find Dr. Fontana-Penn'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. Mary E. Fontana-Penn is an allergy physician in Exton, Pennsylvania
Dr. Fontana-Penn practices at Chca Allergy & Immunology in Exton, Pennsylvania.
Dr. Fontana-Penn's NPI, 1750367074, was assigned on December 19, 2005. Dr. Fontana-Penn holds Maryland license D0069408.
- NPI
- 1750367074NPI Registry (opens in a new tab)
- NPI enumeration date
- December 19, 2005
- NPI status
- Active
- Practice phone
- (215) 590-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mary E. Fontana-Penn practices at Chca Allergy & Immunology in Exton, Pennsylvania
Dr. Fontana-Penn's primary practice is Chca Allergy & Immunology, at 481 John Young Way, Exton, PA 19341 in Chester County. The practice phone is (215) 590-1000.
- Chca Allergy & Immunology481 John Young Way, Exton, PA 19341 · Chester CountyPhone(215) 590-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mary E. Fontana-Penn is affiliated with 2 sites of care and 1 medical group
Dr. Fontana-Penn's primary practice is Chca Allergy & Immunology in Exton, Pennsylvania. The medical group on file is CHCA Allergy & Immunology. Dmand AI also links Dr. Fontana-Penn to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mary E. Fontana-Penn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fontana-Penn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chca Allergy & Immunology | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary E. Fontana-Penn is one of 29 allergy physicians in Pennsylvania
Allergy is Dr. Fontana-Penn's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Fontana-Penn is licensed in Maryland.
Specialties and state licenses
- Allergy, MarylandPrimary
Allergy physicians near Dr. Fontana-Penn
Counts of allergy 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. Mary E. Fontana-Penn billed Medicare for 37 services in 2019
CMS data shows 37 Medicare services from Dr. Fontana-Penn across 1 procedure code in 2019. Medicare paid $81 for them. Every service was in an office.
Dr. Fontana-Penn's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 6882019: 3795%
- Office and hospital visits
- 2018: 862019: 0100%
Dr. Fontana-Penn compared with the Pennsylvania median for allergy physicians, 2019
- Dr. Fontana-Penn
- Pennsylvania median
- Medicare services
- 37vs 1,37797% below
- Part D claims
- 44vs 10257% below
Medians across 31 allergy physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Fontana-Penn's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fontana-Penn and other allergy physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary E. Fontana-Penn's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Dr. Fontana-Penn's median patient age at 8, with 54% women.
Dr. Fontana-Penn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Mary E. Fontana-Penn wrote 44 Medicare Part D claims in 2018
In 2018, Dr. Fontana-Penn wrote 44 Medicare Part D claims. They cover 2 drugs, with $9,167 in total drug cost. In 2017, CMS named 43 claims across 2 drugs.
Dr. Fontana-Penn's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 432018: 442%
Drugs named by CMS: 2 in 2018, 2 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mary E. Fontana-Penn received $1,609 in industry payments from 2016 to 2021
CMS Open Payments shows 76 general payments to Dr. Fontana-Penn from 17 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 94% of the total. AstraZeneca Pharmaceuticals LP paid the most, $219.
General payments to Dr. Fontana-Penn by program year, 2016 to 2021
General payments to Dr. Fontana-Penn by kind, 2016 to 2021
- Food and beverage$1,51894%
- Education$916%
Companies that paid Dr. Fontana-Penn the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mary E. Fontana-Penn'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Mary E. Fontana-Penn
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. Mary E. Fontana-Penn's NPI number?
Dr. Mary E. Fontana-Penn's NPI number is 1750367074. It was assigned on December 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary E. Fontana-Penn?
Dr. Mary E. Fontana-Penn is an allergy physician in Exton, Pennsylvania. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. Mary E. Fontana-Penn practice?
Dr. Fontana-Penn practices at 481 John Young Way, Exton, PA 19341. Dr. Fontana-Penn's primary practice is Chca Allergy & Immunology in Exton, Pennsylvania. Dmand AI also links Dr. Fontana-Penn to 1 group practice or clinic.
What is Dr. Mary E. Fontana-Penn's office phone number?
The practice phone on file for Dr. Fontana-Penn is (215) 590-1000.
What is Dr. Mary E. Fontana-Penn's medical license number?
Dr. Fontana-Penn holds Maryland license D0069408.
What medical group is Dr. Mary E. Fontana-Penn part of?
Dr. Fontana-Penn is linked to CHCA Allergy & Immunology.
Does Dr. Mary E. Fontana-Penn accept Medicare?
Yes. CMS data shows Dr. Fontana-Penn billed Medicare for 37 services in 2019.
What services does Dr. Mary E. Fontana-Penn bill to Medicare?
In 2019, Dr. Fontana-Penn's most billed Medicare services were allergy test or treatment (95115).
What drugs does Dr. Mary E. Fontana-Penn prescribe most?
In 2018 Medicare Part D data, Dr. Fontana-Penn's most prescribed drugs by claims were Montelukast Sodium and Symbicort.
Has Dr. Mary E. Fontana-Penn received payments from drug or device companies?
CMS Open Payments shows $1,609 in general payments to Dr. Fontana-Penn from 17 companies from 2016 to 2021. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Mary E. Fontana-Penn been practicing?
Dr. Fontana-Penn's NPI was assigned in 2005.
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