Dr. Margaret E. Chappen, MD
- Medicare services, 2024
- 275
- Medicare patients, 2024
- 136
- Part D claims, 2024
- 54
- Industry payments
- $16
- Affiliated sites
- 1
- Practice address
- 100 N Academy Ave, Danville, PA 17822
- Practice phone
- Call (570) 271-6211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Geisinger Medical Center
Danville, Pennsylvania
Find Dr. Chappen's professional email, personal email and mobile number
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Dr. Margaret E. Chappen is a pediatrician in Danville, Pennsylvania
Dr. Chappen practices at Geisinger Medical Center in Danville, Pennsylvania.
Dr. Chappen's NPI, 1477529295, was assigned on February 23, 2006. Dr. Chappen graduated from University of Chicago, Pritzker School of Medicine in 1983. Dr. Chappen holds Pennsylvania license MD046920L.
- NPI
- 1477529295NPI Registry (opens in a new tab)
- NPI enumeration date
- February 23, 2006
- NPI status
- Active
- Practice phone
- (570) 271-6211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Margaret E. Chappen practices at Geisinger Medical Center in Danville, Pennsylvania
Dr. Chappen's primary practice is Geisinger Medical Center, at 100 N Academy Ave, Danville, PA 17822 in Montour County. The practice phone is (570) 271-6211.
- Geisinger Medical Center100 N Academy Ave, Danville, PA 17822 · Montour CountyPhone(570) 271-6211
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Margaret E. Chappen is affiliated with 2 sites of care and 1 medical group
Dr. Chappen's primary practice is Geisinger Medical Center in Danville, Pennsylvania. The medical group on file is Geisinger. Dmand AI also links Dr. Chappen 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. Margaret E. Chappen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chappen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geisinger Medical Center | 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. Margaret E. Chappen is one of 2,468 pediatricians in Pennsylvania
Pediatrics is Dr. Chappen's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Chappen is licensed in Pennsylvania.
Specialties and state licenses
- Pediatrics, PennsylvaniaPrimary
Pediatricians near Dr. Chappen
Counts of pediatricians 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. Margaret E. Chappen billed Medicare for 275 services in 2024
CMS data shows 275 Medicare services from Dr. Chappen across 3 procedure codes in 2024, for 136 Medicare patients. Medicare paid $9,674 for them.
Dr. Chappen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1702024: 15111%
- Other services
- 2023: 02024: 124
Where Dr. Chappen's Medicare services took place, 2024
- In an office12545%
- In a facility15055%
Dr. Chappen compared with the Pennsylvania median for pediatricians, 2024
- Dr. Chappen
- Pennsylvania median
- Medicare services
- 275vs 773.6 times
- Medicare patients
- 136vs 542.5 times
- Part D claims
- 13vs 147% below
Medians across 328 pediatricians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Chappen's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margaret E. Chappen treated 136 Medicare patients in 2024, average age 71
CMS counts 136 Medicare patients who saw Dr. Chappen in 2024. The largest group is 65 to 74, with 58 patients. 74% of them have high cholesterol, and 71% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chappen's median patient age at 72, with 66% women.
Dr. Chappen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chappen's Medicare patients by sex, 2024
- Women7354%
- Men6346%
Chronic conditions among Dr. Chappen's Medicare patients, 2024
- High cholesterol74%
- High blood pressure71%
- Arthritis34%
- Chronic kidney disease32%
- Diabetes29%
- Mood disorders27%
- Ischemic heart disease26%
- Osteoporosis26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chappen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Margaret E. Chappen wrote 54 Medicare Part D claims in 2024
In 2024, Dr. Chappen wrote 54 Medicare Part D claims for 18 patients. 93% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $58 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Dr. Chappen's Part D claims by kind of drug, 2024
- Generic50 claims93%
- Brand-name and other4 claims7%
Dr. Chappen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chappen's Part D claims, 2024
- Opioids22%12 of 54 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 232024: 1343%
Drugs named by CMS: 1 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Margaret E. Chappen received $16 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Chappen from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $16.
Companies that paid Dr. Chappen the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Margaret E. Chappen graduated from University of Chicago, Pritzker School of Medicine
Dr. Chappen graduated from University of Chicago, Pritzker School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Margaret E. Chappen'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Margaret E. Chappen
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. Margaret E. Chappen's NPI number?
Dr. Margaret E. Chappen's NPI number is 1477529295. It was assigned on February 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret E. Chappen?
Dr. Margaret E. Chappen is a pediatrician in Danville, Pennsylvania. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Margaret E. Chappen practice?
Dr. Chappen practices at 100 N Academy Ave, Danville, PA 17822. Dr. Chappen's primary practice is Geisinger Medical Center in Danville, Pennsylvania. Dmand AI also links Dr. Chappen to 1 group practice or clinic.
What is Dr. Margaret E. Chappen's office phone number?
The practice phone on file for Dr. Chappen is (570) 271-6211.
What is Dr. Margaret E. Chappen's medical license number?
Dr. Chappen holds Pennsylvania license MD046920L.
What medical group is Dr. Margaret E. Chappen part of?
Dr. Chappen is linked to Geisinger.
Does Dr. Margaret E. Chappen accept Medicare?
Yes. CMS data shows Dr. Chappen billed Medicare for 275 services in 2024.
How many Medicare patients does Dr. Margaret E. Chappen see?
CMS counts 136 Medicare patients who saw Dr. Chappen in 2024, with an average age of 71.
What services does Dr. Margaret E. Chappen bill to Medicare?
In 2024, Dr. Chappen's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Margaret E. Chappen go to medical school?
Dr. Chappen graduated from University of Chicago, Pritzker School of Medicine in 1983.
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What drugs does Dr. Margaret E. Chappen prescribe most?
In 2024 Medicare Part D data, Dr. Chappen's most prescribed drugs by claims were Escitalopram Oxalate.
Has Dr. Margaret E. Chappen received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Chappen from 1 company from 2018 to 2018. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Margaret E. Chappen been practicing?
Dr. Chappen graduated from medical school in 1983, 43 years ago.
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