William Northwood Gilleland, M.D.
Surgery Physician · New Castle, PA
William Northwood Gilleland, M.D. is a surgery physician with a practice address in New Castle, Pennsylvania, and NPI 1336145903, issued on Jun 28, 2005. Check the license (Pennsylvania MD046830L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Northwood Gilleland
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- MD046830L PA
Self-reported in NPPES; status is on the state search - Practice location
- 26 Nesbitt RD, New Castle, PA 16105
- Phone
- (724) 652-3616
- Enumerated
- Jun 28, 2005
- Record last updated
- May 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (724) 656-6679
- Medicaid IDs
- 0014666800001 PA
0014666800005 PA - Medicare enrollment
- Enrolled (PECOS I20080331000044); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1989
- Entity
- Type 1 · individual
Also registered at 26 Nesbitt RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacy Dicola, MS ED.Mental Health Counselor1871766907
- Leslie Elmore, DOStudent in an Organized Health Care Education/Training Program1811567860
- Steven Hand, DOOrthopaedic Surgery Physician1417092362
- Renee Moldovan, LCSWSocial Worker1962492348
- Gloria Schweitzer, LPCProfessional Counselor1316236920
- Zackary Walker, CRNPFamily Nurse Practitioner1619578895
Verify William Northwood Gilleland in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD046830LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average surgery physician in 2024
53 Medicare Part D claims for 44 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of 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): 77.5 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).
Bills Medicare through one group practice
- University OF Pittsburgh PhysiciansNew Castle, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgery Physician providers in Pennsylvania
There are 1,867 surgery physician records in Pennsylvania.
Other surgery physician records in Pennsylvania
- Darius Abadi, D.O.Wellsboro, PA1780767558
- Ariel Aballay, MDPittsburgh, PA1487671814
- Michael Abboud, M.D.Reading, PA1568632263
- Ahmad Abdeen, MDPhiladelphia, PA1033900642
- Mohamed Abdelgawad, MDPittsburgh, PA1972063816
- Ryan Abegglen, M.D.Latrobe, PA1912318312
- Renee Aboushi, MDHarrisburg, PA1023327947
- Samir Abu Gazala, M.D.Philadelphia, PA1750708251
- Mohamad Rassoul Abu-Nuwar, MDKittanning, PA1992206437
- Ahmad Abul-Ela, MDNew Castle, PA1780843300
Common questions
What is William Northwood Gilleland, M.D.'s NPI number?
William Northwood Gilleland, M.D.'s National Provider Identifier (NPI) is 1336145903, issued on Jun 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Northwood Gilleland, M.D. located?
The NPPES record lists a practice address at 26 Nesbitt RD, New Castle, PA, 16105. Phone: (724) 652-3616. Providers update this record themselves, so call before visiting.
How can I verify William Northwood Gilleland, M.D.'s license?
NPPES lists Pennsylvania license number MD046830L, 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 Northwood Gilleland, M.D. prescribe under Medicare Part D?
In 2024, William Northwood Gilleland, M.D. had 53 Medicare Part D claims for 44 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is William Northwood Gilleland, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 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.