John L. Holup, D.O.
Surgery Physician · Williamsport, PA
John L. Holup, D.O. is a surgery physician with a practice address in Williamsport, Pennsylvania, and NPI 1326010125, issued on Feb 6, 2006. Check the license (Pennsylvania OS007311L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John L. Holup
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- OS007311L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Grampian Blvd, Williamsport, PA 17701
- Phone
- (570) 326-8550
- Enumerated
- Feb 6, 2006
- Record last updated
- Aug 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,867 in Pennsylvania → Look up another NPI →
Also registered at 1100 Grampian Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karl Ahlswede, MDHospice and Palliative Medicine (Surgery) Physician1033198676
- Sandra Ahlswede, CRNPNurse Practitioner1871001669
- Alyssa Amato, LCSWSocial Worker1558817742
- Karla Anderson, MDVascular Surgery Physician1376500207
- Saul Arber, M.D.Radiation Oncology Physician1407800949
- Jane Atkinson, LCSWClinical Social Worker1962437640
Verify John L. Holup in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS007311LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average surgery physician in 2024
33 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Mupirocin15 claims
- Silver Sulfadiazine15 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
John L. Holup among 1,867 surgery physician records in Pennsylvania
John L. Holup, D.O. is one of 1,867 surgery physician records with a practice address in Pennsylvania. 72% 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, 64% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2016 · 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 208600000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Pennsylvania
There are 1,867 surgery physician records in Pennsylvania.
All 1,867 in Pennsylvania → Every provider in Williamsport → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Susan Branton, MDWilliamsport, PA 177011528036266
- Scott CrollWilliamsport, PA 177011356318497
- Amy Curry, D.O.Williamsport, PA 177011972733913
- Timothy JudgeWilliamsport, PA 177011831243690
- Michael LazarWilliamsport, PA 177011962469650
- Timothy Pagana, MDWilliamsport, PA 177011568423341
- Rodrick Stevenson, MD, FACSWilliamsport, PA 177011689642340
- Mohammad Tahir, MDWilliamsport, PA 177011588183867
Common questions
What is John L. Holup, D.O.'s NPI number?
John L. Holup, D.O.'s National Provider Identifier (NPI) is 1326010125, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John L. Holup, D.O. located?
The NPPES record lists a practice address at 1100 Grampian Blvd, Williamsport, PA, 17701. Phone: (570) 326-8550. Providers update this record themselves, so call before visiting.
How can I verify John L. Holup, D.O.'s license?
NPPES lists Pennsylvania license number OS007311L, 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 John L. Holup, D.O. prescribe under Medicare Part D?
In 2024, John L. Holup, D.O. had 33 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is John L. Holup, D.O.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.