Registry data as of Aug 27, 2026

William Schairer

Sports Medicine (Orthopaedic Surgery) Physician · New York, NY

William Schairer is a sports medicine (orthopaedic surgery) physician with a practice address in New York, New York, and NPI 1467794537, issued on Mar 26, 2013. Check the license (New York 275651, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1467794537
Name
William Schairer
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
275651 NY
Self-reported in NPPES; status is on the state search
Practice location
535 E 70TH St, New York, NY 10021
Phone
(646) 962-2901
Enumerated
Mar 26, 2013
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 535 E 70TH St

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

  1. Dana Aaron, PT, DPT, OCSOrthopedic Physical Therapist1609423045
  2. Matthew Abola, MDStudent in an Organized Health Care Education/Training Program1942864889
  3. Caroline Accardi, FNP-BCFamily Nurse Practitioner1346000163
  4. Emmanuel Adamptey, PASurgical Physician Assistant1871209031
  5. Alexa Adams, M.D.Pediatric Rheumatology Physician1639246747
  6. Michael AdashevSports Medicine (Orthopaedic Surgery) Physician1609312156

Verify William Schairer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 275651    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 New York 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.

79% more Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024

553 Medicare Part D claims for 134 beneficiaries, against an average of 309 among the 2,099 providers of this specialty who prescribed in Part D. 139 claims were for opioids.

  1. William Schairer553
  2. Specialty average309

Most prescribed

  1. Meloxicam167 claims
  2. Gabapentin124 claims
  3. Oxycodone Hcl121 claims
  4. Ondansetron Hcl61 claims
  5. Dexamethasone49 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.

One hospital or facility affiliation

  1. Southern California Permanente Medical GroupSan Diego, CA

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.

Sports Medicine (Orthopaedic Surgery) Physician providers in New York

There are 179 sports medicine (orthopaedic surgery) physician records in New York.

All 179 in New York → Every provider in New York →

Other sports medicine (orthopaedic surgery) physician records in New York

  1. George Ackerman, M.D.Garden City, NY1720393259
  2. Michael AdashevNew York, NY1609312156
  3. Mohaned Al-Humadi, MDOlean, NY1255590915
  4. Answorth Allen, MDNew York, NY1578742433
  5. Deborah Allen, M.D.Bronx, NY1184747693
  6. R. Alley, M.D.Albany, NY1821186602
  7. Michael Angel, M.D.Great Neck, NY1811151947
  8. Michael Angeline, M.D.Rock Hill, NY1780830158
  9. Olufemi Ayeni, MDNew York, NY1811144322
  10. Martin Barschi, M.D.White Plains, NY1700922374

Common questions

What is William Schairer's NPI number?

William Schairer's National Provider Identifier (NPI) is 1467794537, issued on Mar 26, 2013. An NPI identifies a provider in billing; it is not a license.

Where is William Schairer located?

The NPPES record lists a practice address at 535 E 70TH St, New York, NY, 10021. Phone: (646) 962-2901. Providers update this record themselves, so call before visiting.

How can I verify William Schairer's license?

NPPES lists New York license number 275651, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Schairer prescribe under Medicare Part D?

In 2024, William Schairer had 553 Medicare Part D claims for 134 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 309. 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.

Compiled from official public sources by the editorial process.

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.