NPPES file of Aug 9, 2026

William Supplee, MD

Internal Medicine Physician · Ithaca, NY

William Supplee, MD is an internal medicine physician with a practice address in Ithaca, New York, and NPI 1972009785, issued on Apr 2, 2018. Check the license (New York 319435-1, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972009785
Name
William Supplee
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
319435-1 NY
A166747 CA
Self-reported in NPPES; status is on the state search
Practice location
101 Dates Dr, Ithaca, NY 14850
Phone
(607) 339-0494
Enumerated
Apr 2, 2018
Record last updated
Jan 27, 2024
Medicare enrollment
Enrolled (PECOS I20240812002213); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 Dates Dr

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

  1. Mansour AbdulkyPharmacist1588398598
  2. Rakshya AdhikariStudent in an Organized Health Care Education/Training Program1699535856
  3. Ali Akram, MDInternal Medicine Physician1285123752
  4. Richard Allen, MDEmergency Medicine Physician1932207032
  5. Sheila Ariel, DPTPhysical Therapist1831668490
  6. Hannah Armstrong, FNPFamily Nurse Practitioner1417633843

Verify William Supplee 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 319435-1
    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.

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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

152 Medicare Part D claims for 50 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. William Supplee152
  2. Specialty average3,176

Most prescribed

  1. Gabapentin12 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

  1. Cayuga Medical Associates PCIthaca, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Supplee among 12,067 internal medicine physician records in New York

William Supplee, MD is one of 12,067 internal medicine physician records with a practice address in New York. 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 2018, is newer than 82% of them.

  • NPI issued2018 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2018 · median 2002 among the 7,221 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

57 internal medicine physician records list a practice address in Ithaca

They are 57 of the 2,215 NPPES records with a practice address in Ithaca, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Timothy Cardina, MDIthaca, NY 148501114907847
  2. Ann Costello, MDIthaca, NY 148501235125626
  3. John Costello, MDIthaca, NY 148501871589267
  4. Elisabeth Cotton, M.D.Ithaca, NY 148501720049919
  5. Ruth Crepet, MDIthaca, NY 148501306810270
  6. Matthew Estill, MDIthaca, NY 148501487629622
  7. Lucia Jander, MDIthaca, NY 148501851368732
  8. Adam Law, M.D.Ithaca, NY 148501023014974

Common questions

What is William Supplee, MD's NPI number?

William Supplee, MD's National Provider Identifier (NPI) is 1972009785, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.

Where is William Supplee, MD located?

The NPPES record lists a practice address at 101 Dates Dr, Ithaca, NY, 14850. Phone: (607) 339-0494. Providers update this record themselves, so call before visiting.

How can I verify William Supplee, MD's license?

NPPES lists New York license number 319435-1, 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 Supplee, MD prescribe under Medicare Part D?

In 2024, William Supplee, MD had 152 Medicare Part D claims for 50 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.