Margaret Catherine Staniszewski
Internal Medicine Physician · Philadelphia, PA
Margaret Catherine Staniszewski is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1619546314, issued on Jun 18, 2021. Check the license (Pennsylvania MT224187, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Margaret Catherine Staniszewski
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MT224187 PA
Self-reported in NPPES; status is on the state search - Practice location
- 5501 Old York RD Ste 1, Philadelphia, PA 19141
- Phone
- (484) 622-1199
- Enumerated
- Jun 18, 2021
- Record last updated
- Jun 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240627003644); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 5501 Old York RD Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fattum AbbadStudent in an Organized Health Care Education/Training Program1750212270
- Vitoria Acar, MDStudent in an Organized Health Care Education/Training Program1780500017
- Omar AhmadStudent in an Organized Health Care Education/Training Program1508596271
- Shakelah Ahmady, CRNPPediatric Nurse Practitioner1669139887
- Eman Ahmed, DOStudent in an Organized Health Care Education/Training Program1194518340
- Elise Ahn, MDStudent in an Organized Health Care Education/Training Program1639009095
Verify Margaret Catherine Staniszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT224187Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
242 Medicare Part D claims for 76 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Losartan Potassium29 claims
- Atorvastatin Calcium27 claims
- Amlodipine Besylate11 claims
- Eliquis11 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.
Bills Medicare through one group practice
- Hospitalist Medicine Physicians OF Pennsylvania PCEast Norriton, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Catherine Staniszewski among 7,300 internal medicine physician records in Pennsylvania
Margaret Catherine Staniszewski 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 2021, is newer than 81% of them.
- NPI issued2021 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2016 · median 2008 among the 4,208 with a school on file
- Record last updated2021 · 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).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Allman, MDPhiladelphia, PA 191411316908015
- Jody Borgman, MDPhiladelphia, PA 191411235106378
- Jacqueline Bowers, MDPhiladelphia, PA 191411619944626
- Mark Capkin, MDPhiladelphia, PA 191411114994258
- Shivanandh Chandrasekaran, MDPhiladelphia, PA 191411205824109
- Rodney Elkin, M.D.Philadelphia, PA 191411376580506
- Anita Govil, MDPhiladelphia, PA 191411174583462
- Rohit Gulati, M.D.Philadelphia, PA 191411790748408
Common questions
What is Margaret Catherine Staniszewski's NPI number?
Margaret Catherine Staniszewski's National Provider Identifier (NPI) is 1619546314, issued on Jun 18, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Catherine Staniszewski located?
The NPPES record lists a practice address at 5501 Old York RD Ste 1, Philadelphia, PA, 19141. Phone: (484) 622-1199. Providers update this record themselves, so call before visiting.
How can I verify Margaret Catherine Staniszewski's license?
NPPES lists Pennsylvania license number MT224187, 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 Catherine Staniszewski prescribe under Medicare Part D?
In 2024, Margaret Catherine Staniszewski had 242 Medicare Part D claims for 76 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.