William J. Adair, M.D.
Family Medicine Physician · Gettysburg, PA
William J. Adair, M.D. is a family medicine physician with a practice address in Gettysburg, Pennsylvania, and NPI 1750407854, issued on Mar 21, 2007. Check the license (Pennsylvania MD429294, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William J. Adair
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD429294 PA
Self-reported in NPPES; status is on the state search - Practice location
- 524 S Washington St, Gettysburg, PA 17325
- Phone
- (717) 334-2183
- Enumerated
- Mar 21, 2007
- Record last updated
- Nov 21, 2025
- Fax
- (717) 334-5246
- Medicaid ID
- 025208500 MD
- Medicare enrollment
- Enrolled (PECOS I20070627000387); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2004
- 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 524 S Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristi Allen, CRNPFamily Nurse Practitioner1265948558
- Melissa Ashton, PA-CPhysician Assistant1962929075
- Tracey Long, CRNPFamily Nurse Practitioner1013545656
- Paul Quesenberry, MDFamily Medicine Physician1326043761
- Louisa Rahner, D.O.Family Medicine Physician1629561535
Verify William J. Adair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD429294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average family medicine physician in 2024
10,521 Medicare Part D claims for 876 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 269 claims were for opioids.
Most prescribed
- Amlodipine Besylate612 claims
- Atorvastatin Calcium600 claims
- Rosuvastatin Calcium560 claims
- Lisinopril402 claims
- Levothyroxine Sodium380 claims
- Metformin Hcl260 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.
Industry payments in 2024: $208.81
11 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Amber Hill Physical Therapy IncFrederick, MD
- Gettysburg Family Practice IncGettysburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Adair among 7,483 family medicine physician records in Pennsylvania
William J. Adair, M.D. 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2004 · median 2005 among the 4,529 with a school on file
- Record last updated2025 · 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).
17 family medicine physician records list a practice address in Gettysburg
They are 17 of the 658 NPPES records with a practice address in Gettysburg, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Gettysburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jon Dubin, DOGettysburg, PA 173251114970480
- Andrew Farkas, MDGettysburg, PA 173251982632899
- Elena Khromenko, MDGettysburg, PA 173251326278920
- Robert Mauss, DOGettysburg, PA 173251366470916
- Catherine Mauss, DOGettysburg, PA 173251508978719
- Michael McGlaughlin, MDGettysburg, PA 173251053312520
- Kevin Mosser, MDGettysburg, PA 173251467485375
- Smitha Nair, M.D.Gettysburg, PA 173251124171038
Common questions
What is William J. Adair, M.D.'s NPI number?
William J. Adair, M.D.'s National Provider Identifier (NPI) is 1750407854, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William J. Adair, M.D. located?
The NPPES record lists a practice address at 524 S Washington St, Gettysburg, PA, 17325. Phone: (717) 334-2183. Providers update this record themselves, so call before visiting.
How can I verify William J. Adair, M.D.'s license?
NPPES lists Pennsylvania license number MD429294, 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 J. Adair, M.D. prescribe under Medicare Part D?
In 2024, William J. Adair, M.D. had 10,521 Medicare Part D claims for 876 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.