Margaret Chappen, M.D.
Internal Medicine Physician · Milton, PA
Margaret Chappen, M.D. is an internal medicine physician with a practice address in Milton, Pennsylvania, and NPI 1477529295, issued on Feb 23, 2006. Check the license (Pennsylvania MD046920L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Margaret Chappen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD046920L PA
Self-reported in NPPES; status is on the state search - Practice location
- 155 S Arch St, Milton, PA 17847
- Phone
- (570) 742-2655
- Enumerated
- Feb 23, 2006
- Entity
- Type 1 · individual
Also registered at 155 S Arch St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Ali, M.D.Internal Medicine Physician1124092317
- Wesley Bowers, PHARMDAmbulatory Care Pharmacist1992423396
- Ruth Butrej, F.N.P.Family Nurse Practitioner1972701076
- Danquing Chow, M.D.Internal Medicine Physician1952377590
- Danielle DuranStudent in an Organized Health Care Education/Training Program1902690381
- Juan Gonzalez SalazarStudent in an Organized Health Care Education/Training Program1295539104
Verify Margaret Chappen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD046920LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
54 Medicare Part D claims for 18 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Escitalopram Oxalate13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
5 internal medicine physician records list a Milton practice address
They are 5 of the 93 NPPES records with a Milton practice address, and 8,636 internal medicine physician records in Pennsylvania.
All 5 in Milton → All 8,636 in Pennsylvania → Every provider in Milton →
Other internal medicine physician records in Pennsylvania
- Erin Aakhus, M.D.Philadelphia, PA1255652087
- Muhammad Aamir, MDAllentown, PA1477039147
- Saira Aamir, MDYork, PA1184515686
- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Cybele Abad, M.D.Pittsburgh, PA1619900453
- Mario Abad, MDDuncannon, PA1710022975
- Joseph Abalos, M.D.Seneca, PA1215128434
- Ali Abbas, MDYork, PA1023343779
- Huda Abbas, MDDoylestown, PA1316187024
Common questions
What is Margaret Chappen, M.D.'s NPI number?
Margaret Chappen, M.D.'s National Provider Identifier (NPI) is 1477529295, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Chappen, M.D. located?
The NPPES record lists a practice address at 155 S Arch St, Milton, PA, 17847. Phone: (570) 742-2655. Providers update this record themselves, so call before visiting.
How can I verify Margaret Chappen, M.D.'s license?
NPPES lists Pennsylvania license number MD046920L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Chappen, M.D. prescribe under Medicare Part D?
In 2024, Margaret Chappen, M.D. had 54 Medicare Part D claims for 18 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.