Michael Gregory Galperin, DO
Internal Medicine Physician · Wynnewood, PA
Michael Gregory Galperin, DO is an internal medicine physician with a practice address in Wynnewood, Pennsylvania, and NPI 1124720438, issued on Mar 20, 2023. Check the license (Pennsylvania OS025449, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael Gregory Galperin
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS025449 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Lancaster Ave, Wynnewood, PA 19096
- Phone
- (484) 476-2000
- Enumerated
- Mar 20, 2023
- Record last updated
- Jun 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20260521000511); may accept Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 100 E Lancaster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sandra Abramson, MDCardiovascular Disease Physician1275538282
- Olivia Ackley, MDInternal Medicine Physician1174453930
- Ashley Adams, CRNPWomen's Health Nurse Practitioner1497225635
- Bonnie Adelman, M.S.P.A.Audiologist1568718088
Verify Michael Gregory Galperin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS025449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
351 Medicare Part D claims for 88 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Amlodipine Besylate34 claims
- Atorvastatin Calcium22 claims
- Metformin Hcl16 claims
- Losartan Potassium15 claims
- Albuterol Sulfate Hfa13 claims
- Nifedipine Er12 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.
Michael Gregory Galperin among 7,300 internal medicine physician records in Pennsylvania
Michael Gregory Galperin, DO is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 89% of them.
- NPI issued2023 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2023 · median 2008 among the 4,208 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
150 internal medicine physician records list a practice address in Wynnewood
They are 150 of the 1,246 NPPES records with a practice address in Wynnewood, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Wynnewood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- M Susan Burke, MDWynnewood, PA 190961083694442
- David Cohen, MDWynnewood, PA 190961215908645
- Donald Corey, MDWynnewood, PA 190961245201706
- Daniel Lazowick, DOWynnewood, PA 190961063483527
- William Miller, M.D.Wynnewood, PA 190961801850060
- James Morris, MDWynnewood, PA 190961912979923
- John Nansteel, MDWynnewood, PA 190961558333583
- Colleen O'Connor, MDWynnewood, PA 190961922087154
Common questions
What is Michael Gregory Galperin, DO's NPI number?
Michael Gregory Galperin, DO's National Provider Identifier (NPI) is 1124720438, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Michael Gregory Galperin, DO located?
The NPPES record lists a practice address at 100 E Lancaster Ave, Wynnewood, PA, 19096. Phone: (484) 476-2000. Providers update this record themselves, so call before visiting.
How can I verify Michael Gregory Galperin, DO's license?
NPPES lists Pennsylvania license number OS025449, 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 Michael Gregory Galperin, DO prescribe under Medicare Part D?
In 2024, Michael Gregory Galperin, DO had 351 Medicare Part D claims for 88 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.