Stephan John Kosmorsky, D.O.
Emergency Medicine Physician · Newtown, PA
Stephan John Kosmorsky, D.O. is an emergency medicine physician with a practice address in Newtown, Pennsylvania, and NPI 1518930429, issued on Feb 10, 2006. Check the license (Pennsylvania OS004621L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephan John Kosmorsky
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS004621L PA
Self-reported in NPPES; status is on the state search - Practice location
- 23 Cambridge LN, Newtown, PA 18940
- Phone
- (215) 504-0414
- Enumerated
- Feb 10, 2006
- Record last updated
- Mar 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (215) 504-4002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Verify Stephan John Kosmorsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS004621LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average emergency medicine physician in 2024
335 Medicare Part D claims for 142 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 39 claims were for opioids.
Most prescribed
- Prednisone27 claims
- Ibuprofen20 claims
- Hydrocodone-Acetaminophen16 claims
- Albuterol Sulfate Hfa14 claims
- Lorazepam14 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.
Industry payments in 2024: $127.49
1 payment: food and beverage; the largest payer was BioCryst US Sales Co., LLC. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stephan John Kosmorsky among 3,911 emergency medicine physician records in Pennsylvania
Stephan John Kosmorsky, D.O. is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 69% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Pennsylvania
There are 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Newtown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Albert Castano, DONewtown, PA 189401316912967
- Richard Rathgeber, DOMontgomeryville, PA 189361457325938
- Ernest Sully, D.O.Montgomeryville, PA 189361730214172
- Gilbert Bolitho, DOLahaska, PA 189311427362839
- Bruce Eisenhardt, DOQuakertown, PA 189511841388659
- Michael Emery, DOQuakertown, PA 189511477523660
- Michele Falino, DOQuakertown, PA 189511497795918
- Thomas Filipowicz, MDQuakertown, PA 189511891807475
Common questions
What is Stephan John Kosmorsky, D.O.'s NPI number?
Stephan John Kosmorsky, D.O.'s National Provider Identifier (NPI) is 1518930429, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephan John Kosmorsky, D.O. located?
The NPPES record lists a practice address at 23 Cambridge LN, Newtown, PA, 18940. Phone: (215) 504-0414. Providers update this record themselves, so call before visiting.
How can I verify Stephan John Kosmorsky, D.O.'s license?
NPPES lists Pennsylvania license number OS004621L, 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 Stephan John Kosmorsky, D.O. prescribe under Medicare Part D?
In 2024, Stephan John Kosmorsky, D.O. had 335 Medicare Part D claims for 142 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.