Sean Michael McFadden, D.O.
Internal Medicine Physician · Lititz, PA
Sean Michael McFadden, D.O. is an internal medicine physician with a practice address in Lititz, Pennsylvania, and NPI 1598145534, issued on Jun 4, 2015. Check the license (Pennsylvania OS018476, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Sean Michael McFadden
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- OS018476 PA
02005585A IN
34013972 OH
3509 WV
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Highlands Dr, Lititz, PA 17543
- Phone
- (717) 625-5000
- Enumerated
- Jun 4, 2015
- Record last updated
- Sep 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 0329548 OH
- Medicare enrollment
- Enrolled (PECOS I20190808003272); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 1500 Highlands Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omid Adabi, D.O.Anesthesiology Physician1033796636
- Adebimpe Afolabi, DOInternal Medicine Physician1306089701
- Ayesha Ahsan, DOFamily Medicine Physician1467980086
- Jennifer Aletras, RDRegistered Dietitian1700912516
- Colin Allen, DOStudent in an Organized Health Care Education/Training Program1528861325
- Stephanie Ashton, PA-CPhysician Assistant1285871590
Verify Sean Michael McFadden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS018476Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Sun State Hospitalists LLCClearwater, FL
- University Hospitals Medical Group IncCleveland, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Michael McFadden among 7,300 internal medicine physician records in Pennsylvania
Sean Michael McFadden, D.O. 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 2015, is newer than 62% of them.
- NPI issued2015 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · 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).
13 internal medicine physician records list a practice address in Lititz
They are 13 of the 599 NPPES records with a practice address in Lititz, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Lititz → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Adebimpe Afolabi, DOLititz, PA 175431306089701
- Carlos Cream, MDLititz, PA 175431700835733
- Elizabeth Fowler, DOLititz, PA 175431700139979
- Abby Gandolfi, MDLititz, PA 175431750701264
- Taylor Hudson, DOLititz, PA 175431992294441
- Caitlin Inners, M.D.Lancaster, PA 175431851659866
- Matthew Kerper, DOLititz, PA 175431881055820
- Baasma Khan, DOLititz, PA 175431497495121
Common questions
What is Sean Michael McFadden, D.O.'s NPI number?
Sean Michael McFadden, D.O.'s National Provider Identifier (NPI) is 1598145534, issued on Jun 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Sean Michael McFadden, D.O. located?
The NPPES record lists a practice address at 1500 Highlands Dr, Lititz, PA, 17543. Phone: (717) 625-5000. Providers update this record themselves, so call before visiting.
How can I verify Sean Michael McFadden, D.O.'s license?
NPPES lists Pennsylvania license number OS018476, 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.
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.