Registry data as of Aug 27, 2026

William Adair, M.D.

Family Medicine Physician · Gettysburg, PA

William 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1750407854
Name
William 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 524 S Washington St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristi Allen, CRNPFamily Nurse Practitioner1265948558
  2. Melissa Ashton, PA-CPhysician Assistant1962929075
  3. Tracey Long, CRNPFamily Nurse Practitioner1013545656
  4. Paul Quesenberry, MDFamily Medicine Physician1326043761
  5. Louisa Rahner, D.O.Family Medicine Physician1629561535

Verify William Adair in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD429294
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 269 claims were for opioids.

  1. William Adair10,521
  2. Specialty average3,519

Most prescribed

  1. Amlodipine Besylate612 claims
  2. Atorvastatin Calcium600 claims
  3. Rosuvastatin Calcium560 claims
  4. Lisinopril402 claims
  5. Levothyroxine Sodium380 claims
  6. 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, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Adair$208.81
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. Amber Hill Physical Therapy IncFrederick, MD
  2. Gettysburg Family Practice IncGettysburg, PA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

19 family medicine physician records list a Gettysburg practice address

They are 19 of the 658 NPPES records with a Gettysburg practice address, and 7,324 family medicine physician records in Pennsylvania.

Other family medicine physician records in Pennsylvania

  1. Christopher AaronCresson, PA1083879860
  2. Jose Abad, MDPittsburgh, PA1295962546
  3. Ray Abarintos, MDPhiladelphia, PA1417339516
  4. Jasim Abbasi, DOErie, PA1396537452
  5. Alyssa Abbott, CRNPHermitage, PA1669074456
  6. Daived Abboud, M.D.Allentown, PA1295189322
  7. Ihab Abdelaal, D.O.Macungie, PA1588944938
  8. Adam Abdulally, MDPittsburgh, PA1184861544
  9. Maimuna AbdullahiLebanon, PA1477344018
  10. Dulitha Abeynayaka, MDPottsville, PA1326983404

Common questions

What is William Adair, M.D.'s NPI number?

William 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 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 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 Adair, M.D. prescribe under Medicare Part D?

In 2024, William Adair, M.D. had 10,521 Medicare Part D claims for 876 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.