Michael W. Semelka, DO
Family Medicine Physician · Mt Pleasant, PA
Michael W. Semelka, DO is a family medicine physician with a practice address in Mt Pleasant, Pennsylvania, and NPI 1639112840, issued on Jun 14, 2006. Check the license (Pennsylvania OS011862, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael W. Semelka
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS011862 PA
Self-reported in NPPES; status is on the state search - Practice location
- 508 S Church St Ste 100, Mt Pleasant, PA 15666
- Phone
- (724) 547-4536
- Enumerated
- Jun 14, 2006
- Record last updated
- Sep 10, 2025
- Fax
- (724) 547-3799
- Medicare enrollment
- Enrolled (PECOS I20050902000623); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2000
- 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 508 S Church St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael W. Semelka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS011862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average family medicine physician in 2024
4,730 Medicare Part D claims for 662 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 104 claims were for opioids.
Most prescribed
- Atorvastatin Calcium268 claims
- Levothyroxine Sodium220 claims
- Amlodipine Besylate200 claims
- Metformin Hcl165 claims
- Lisinopril161 claims
- Pantoprazole Sodium134 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
- Excela Health Physician Practices, IncMt Pleasant, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael W. Semelka among 7,483 family medicine physician records in Pennsylvania
Michael W. Semelka, DO 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2000 · median 2005 among the 4,529 with a school on file
- Record last updated2025 · 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).
13 family medicine physician records list a practice address in Mt Pleasant
They are 13 of the 113 NPPES records with a practice address in Mt Pleasant, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Mt Pleasant → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Aster Assefa, M.D.Mt Pleasant, PA 156661912012295
- Jarrett Bender, DOMount Pleasant, PA 156661477713352
- Rachel Esposito, D.O.Mt Pleasant, PA 156661770577793
- Jerome Gera, MDMt Pleasant, PA 156661043266257
- Manjusha Kad, MDMt Pleasant, PA 156661124252168
- Efren Leonida, M.D.Mt Pleasant, PA 156661659477057
- Efren Leonida, M.D.Mt Pleasant, PA 156661891892188
- Ronald Monack, D.O.Mt Pleasant, PA 156661790783140
Common questions
What is Michael W. Semelka, DO's NPI number?
Michael W. Semelka, DO's National Provider Identifier (NPI) is 1639112840, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael W. Semelka, DO located?
The NPPES record lists a practice address at 508 S Church St Ste 100, Mt Pleasant, PA, 15666. Phone: (724) 547-4536. Providers update this record themselves, so call before visiting.
How can I verify Michael W. Semelka, DO's license?
NPPES lists Pennsylvania license number OS011862, 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 W. Semelka, DO prescribe under Medicare Part D?
In 2024, Michael W. Semelka, DO had 4,730 Medicare Part D claims for 662 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.