Joanna Stefania Kusmirek, MD
Family Medicine Physician · Phoenixville, PA
Joanna Stefania Kusmirek, MD is a family medicine physician with a practice address in Phoenixville, Pennsylvania, and NPI 1881740850, issued on Jan 25, 2007. Check the license (Pennsylvania MD432562, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Joanna Stefania Kusmirek
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD432562 PA
Self-reported in NPPES; status is on the state search - Practice location
- 826 Main Street, Phoenixville, PA 19460
- Phone
- (610) 933-8484
- Enumerated
- Jan 25, 2007
- Record last updated
- Apr 15, 2026
- Fax
- (610) 917-0320
- Medicare enrollment
- Enrolled (PECOS I20080509000352); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 826 Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanna Stefania Kusmirek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD432562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average family medicine physician in 2024
4,476 Medicare Part D claims for 454 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium422 claims
- Amlodipine Besylate313 claims
- Levothyroxine Sodium248 claims
- Losartan Potassium230 claims
- Lisinopril175 claims
- Rosuvastatin Calcium127 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 2 group practices
- Fornance Physician Services IncPlymouth Meeting, PA
- Penn Medicine-PmaPhoenixville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna Stefania Kusmirek among 7,483 family medicine physician records in Pennsylvania
Joanna Stefania Kusmirek, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1992 · median 2005 among the 4,529 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 family medicine physician records list a practice address in Phoenixville
They are 30 of the 886 NPPES records with a practice address in Phoenixville, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Phoenixville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Berkson, MDPhoenixville, PA 194601588756233
- Janet Brown, DOPhoenixville, PA 194601457367104
- Daniel Csaszar, D.O.Phoenixville, PA 194601801932751
- Jean Flood, MDPhoenixville, PA 194601730394099
- Robert Glenn, D.O.Phoenixville, PA 194601831191303
- Lucy Hornstein, MDPhoenixville, PA 194601538132451
- Stephanie Kaliner, D.O.Phoenixville, PA 194601275564981
- Stacey Kuhns, M.D.Phoenixville, PA 194601619949260
Common questions
What is Joanna Stefania Kusmirek, MD's NPI number?
Joanna Stefania Kusmirek, MD's National Provider Identifier (NPI) is 1881740850, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Stefania Kusmirek, MD located?
The NPPES record lists a practice address at 826 Main Street, Phoenixville, PA, 19460. Phone: (610) 933-8484. Providers update this record themselves, so call before visiting.
How can I verify Joanna Stefania Kusmirek, MD's license?
NPPES lists Pennsylvania license number MD432562, 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 Joanna Stefania Kusmirek, MD prescribe under Medicare Part D?
In 2024, Joanna Stefania Kusmirek, MD had 4,476 Medicare Part D claims for 454 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.