Renee M. Cassidy, MD
Internal Medicine Physician · West Chester, PA
Renee M. Cassidy, MD is an internal medicine physician with a practice address in West Chester, Pennsylvania, and NPI 1497890719, issued on Feb 21, 2007. Check the license (Pennsylvania MD433149, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Renee M. Cassidy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD433149 PA
Self-reported in NPPES; status is on the state search - Practice location
- 300B Lawrence Dr, West Chester, PA 19380
- Phone
- (610) 836-5990
- Enumerated
- Feb 21, 2007
- Record last updated
- Aug 8, 2022
- Entity
- Type 1 · individual
Also registered at 300B Lawrence Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jody HillPrimary Care Nurse Practitioner1174143010
- Janet Jacapraro, M.D.Internal Medicine Physician1902842842
- Steven Nussbaum, MDGastroenterology Physician1114963345
- Sarah Poutasse, NPFamily Nurse Practitioner1215578521
- Marlene Sanz-Kupsis, RPHPharmacist1215879218
- Paul Villasenor, MDFamily Medicine Physician1780544213
Verify Renee M. Cassidy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD433149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
22 Medicare Part D claims for 21 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Arexvy15 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.
57 internal medicine physician records list a practice address in West Chester
They are 57 of the 2,831 NPPES records with a practice address in West Chester, and 7,300 internal medicine physician records in Pennsylvania.
All 57 in West Chester → All 7,300 in Pennsylvania → Every provider in West Chester →
Other internal medicine physician records in Pennsylvania
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- Todd Aaron, MDPhiladelphia, PA1457350522
- Joseph Abalos, M.D.Seneca, PA1215128434
- Mubasher Abbas, MDYork, PA1578978425
- Nicholas AbbottFarrell, PA1639525678
- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Renee M. Cassidy, MD's NPI number?
Renee M. Cassidy, MD's National Provider Identifier (NPI) is 1497890719, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Renee M. Cassidy, MD located?
The NPPES record lists a practice address at 300B Lawrence Dr, West Chester, PA, 19380. Phone: (610) 836-5990. Providers update this record themselves, so call before visiting.
How can I verify Renee M. Cassidy, MD's license?
NPPES lists Pennsylvania license number MD433149, 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 Renee M. Cassidy, MD prescribe under Medicare Part D?
In 2024, Renee M. Cassidy, MD had 22 Medicare Part D claims for 21 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.