William T. Merchant, DO
Family Medicine Physician · Lebanon, PA
William T. Merchant, DO is a family medicine physician with a practice address in Lebanon, Pennsylvania, and NPI 1497743033, issued on Oct 7, 2005. Check the license (Pennsylvania OS005477L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William T. Merchant
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- OS005477L PA
45281 CO
Self-reported in NPPES; status is on the state search - Practice location
- 720 Norman Dr, Lebanon, PA 17042
- Phone
- (717) 639-3230
- Enumerated
- Oct 7, 2005
- Record last updated
- May 19, 2026
- Fax
- (717) 274-1659
- Medicaid IDs
- 48132268 CO
0009825890001 PA - Medicare enrollment
- Enrolled (PECOS I20031209000449); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1981
- 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 720 Norman Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Bensing, MPTPhysical Therapist1013196328
- Denise Centini, PA-CPhysician Assistant1346390036
- Amanda Keenan, CRNPFamily Nurse Practitioner1124798053
- Christopher Korba, PT, ATCPhysical Therapist1356307763
- Stephen Lago, DOInternal Medicine Physician1427010701
- Elizabeth Muhiire-Ntaki, M.D.Hospitalist Physician1821251257
Verify William T. Merchant in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS005477LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average family medicine physician in 2024
2,536 Medicare Part D claims for 182 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium192 claims
- Amlodipine Besylate126 claims
- Omeprazole110 claims
- Lisinopril102 claims
- Metformin Hcl88 claims
- Levothyroxine Sodium69 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
- Wellspan Medical GroupLebanon, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William T. Merchant among 7,483 family medicine physician records in Pennsylvania
William T. Merchant, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1981 · median 2005 among the 4,529 with a school on file
- Record last updated2026 · 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).
79 family medicine physician records list a practice address in Lebanon
They are 79 of the 1,756 NPPES records with a practice address in Lebanon, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Lebanon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Paul Aitken, MDLebanon, PA 170421477510550
- Earl Brinser, DOLebanon, PA 170421841221603
- Leslie Dubowitz, MDLebanon, PA 170421841377207
- Wray Gerard, MDLebanon, PA 170421093776965
- Martin Gish, MDLebanon, PA 170421467413336
- Joel Gish, MDLebanon, PA 170421376504241
- Thomas Kohl, MDLebanon, PA 170421265425706
- Duncan Maclean, MDLebanon, PA 170421548299688
Common questions
What is William T. Merchant, DO's NPI number?
William T. Merchant, DO's National Provider Identifier (NPI) is 1497743033, issued on Oct 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William T. Merchant, DO located?
The NPPES record lists a practice address at 720 Norman Dr, Lebanon, PA, 17042. Phone: (717) 639-3230. Providers update this record themselves, so call before visiting.
How can I verify William T. Merchant, DO's license?
NPPES lists Pennsylvania license number OS005477L, 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 William T. Merchant, DO prescribe under Medicare Part D?
In 2024, William T. Merchant, DO had 2,536 Medicare Part D claims for 182 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.