Joseph K. Thornton, MD
Family Medicine Physician · Greencastle, PA
Joseph K. Thornton, MD is a family medicine physician with a practice address in Greencastle, Pennsylvania, and NPI 1518946110, issued on Jan 11, 2006. Check the license (Pennsylvania MD024044E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Joseph K. Thornton
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD024044E PA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Eastern Ave, Greencastle, PA 17225
- Phone
- (717) 597-3151
- Enumerated
- Jan 11, 2006
- Record last updated
- Mar 29, 2023
- Fax
- (717) 597-8933
- Medicaid ID
- 0008568790001 PA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 50 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Arnoult, M.D.Family Medicine Physician1528098852
- Krista Bard, CSWClinical Social Worker1083627327
- Paul Bitner, MS,LPCProfessional Counselor1023034527
- Nathan Derstine, D.O.Family Medicine Physician1265411821
- Sandra Fink- Freeman, ODOptometrist1568547776
- Michael Fitzpatrick, D.O.Family Medicine Physician1043233695
Verify Joseph K. Thornton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD024044ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
436 Medicare Part D claims for 17 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Losartan Potassium28 claims
- Pantoprazole Sodium27 claims
- Mirtazapine26 claims
- Omeprazole26 claims
- Ropinirole Hcl21 claims
- Eliquis19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Joseph K. Thornton among 7,483 family medicine physician records in Pennsylvania
Joseph K. Thornton, 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 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 fileNo · 61% of these records are
- Record last updated2023 · 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).
12 family medicine physician records list a practice address in Greencastle
They are 12 of the 95 NPPES records with a practice address in Greencastle, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Greencastle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Susan Arnoult, M.D.Greencastle, PA 172251528098852
- Vincent Barnhart, MDGreencastle, PA 172251588748941
- Kent Copeland, MDGreencastle, PA 172251720248214
- Nathan Derstine, D.O.Greencastle, PA 172251265411821
- Jacqueline Fignar, D.O.Greencastle, PA 172251710965736
- Michael Fitzpatrick, D.O.Greencastle, PA 172251043233695
- Sandra Fowler, M.D.Greencastle, PA 172251417901752
- Pascual Patalinghug, M.D.Greencastle, PA 172251013242510
Common questions
What is Joseph K. Thornton, MD's NPI number?
Joseph K. Thornton, MD's National Provider Identifier (NPI) is 1518946110, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph K. Thornton, MD located?
The NPPES record lists a practice address at 50 Eastern Ave, Greencastle, PA, 17225. Phone: (717) 597-3151. Providers update this record themselves, so call before visiting.
How can I verify Joseph K. Thornton, MD's license?
NPPES lists Pennsylvania license number MD024044E, 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 Joseph K. Thornton, MD prescribe under Medicare Part D?
In 2024, Joseph K. Thornton, MD had 436 Medicare Part D claims for 17 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Joseph K. Thornton, MD's MIPS final score?
The 2023 MIPS final score is 82.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.