H William Schaaf, MD
Orthopaedic Surgery Physician · Limerick, PA
H William Schaaf, MD is an orthopaedic surgery physician with a practice address in Limerick, Pennsylvania, and NPI 1609872837, issued on Jun 22, 2005. Check the license (Pennsylvania MD023251E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- H William Schaaf
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- MD023251E PA
25MA09748600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 400 Enterprise Dr FL 2, Limerick, PA 19468
- Phone
- (267) 339-3558
- Enumerated
- Jun 22, 2005
- Record last updated
- Feb 28, 2022
- Fax
- (267) 339-3763
- Medicaid ID
- 1002485 PA
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,253 in Pennsylvania → Look up another NPI →
Also registered at 400 Enterprise Dr FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carl Deirmengian, MDOrthopaedic Surgery Physician1205815503
- Derek Grabert, PA-CMedical Physician Assistant1417314766
- Thomas KitzingerPhysician Assistant1073092268
- Donald Mazur, M.D.Orthopaedic Surgery Physician1477564276
- Bradley Smith, M.D.Sports Medicine (Family Medicine) Physician1902928047
Verify H William Schaaf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD023251ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
137 Medicare Part D claims for 51 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin51 claims
- Celecoxib14 claims
- Escitalopram Oxalate12 claims
- Carvedilol11 claims
- Triamterene-Hydrochlorothiazid11 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): 92.1 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).
H William Schaaf among 1,253 orthopaedic surgery physician records in Pennsylvania
H William Schaaf, MD is one of 1,253 orthopaedic surgery physician records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 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 207X00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 orthopaedic surgery physician records list a practice address in Limerick
They are 3 of the 148 NPPES records with a practice address in Limerick, and 1,253 orthopaedic surgery physician records in Pennsylvania.
All 1,253 in Pennsylvania → Every provider in Limerick → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Carl Deirmengian, MDLimerick, PA 194681205815503
- Donald Mazur, M.D.Limerick, PA 194681477564276
- Christopher Williamson, MDRoyersford, PA 194681083900351
- Linda D'Andrea, M.D.Pottstown, PA 194641831167477
- John Donahue, M.D.Pottstown, PA 194641053373068
- James Guille, M.D.Pottstown, PA 194641346218237
- Glenn Lipton, M.D.Pottstown, PA 194641861431504
- Nikos Pavlides, MDPottstown, PA 194641891726006
Common questions
What is H William Schaaf, MD's NPI number?
H William Schaaf, MD's National Provider Identifier (NPI) is 1609872837, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is H William Schaaf, MD located?
The NPPES record lists a practice address at 400 Enterprise Dr FL 2, Limerick, PA, 19468. Phone: (267) 339-3558. Providers update this record themselves, so call before visiting.
How can I verify H William Schaaf, MD's license?
NPPES lists Pennsylvania license number MD023251E, 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 H William Schaaf, MD prescribe under Medicare Part D?
In 2024, H William Schaaf, MD had 137 Medicare Part D claims for 51 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is H William Schaaf, MD's MIPS final score?
The 2023 MIPS final score is 92.1 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.