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Dr. William Sipprell III, M.D.

Mohs Surgery (MOHS-Micrographic Surgery Physician)

  • Medicare participating

At a glance

Years since graduation
12
In the NPI registry since
2014
Medicare patients seen, 2024
187

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2014Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • MOHS-Micrographic Surgery Physician primary
    NY license 299294
  • Dermatology Physician
    NY license 299294

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Mohs Surgery per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
187
Services billed
2,715
Patients’ average age
78
Most frequent Medicare services, 2023
ServiceTimesPatients
Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg4,00015
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks174144
New patient office or other outpatient visit, 30-44 minutes116116
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks9473
Destruction of precancer skin growth, 2-14 growths4314
Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm3332
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm3231
Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks3227
Destruction of precancer skin growth, 1 growth3129
Established patient office or other outpatient visit, 10-19 minutes2423

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Cefadroxil
Other prescribers in Victor, NY
42
Acitretin16
Triamcinolone Acetonide
Other prescribers in Victor, NY
13

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 5 companies reported 9 payments worth $202 in total to this clinician.

By company
AbbVie Inc.$83.59
Novartis Pharmaceuticals Corporation$45.34
Genzyme Corporation$38.06
Lilly USA, LLC$20.74
Botanix Sb Inc$13.90
By type
Food and Beverage$202

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in New York →

Other Mohs Surgery clinicians in Victor

Sources

NPI registry (CMS NPPES, November 2026; record last updated August 26, 2026), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1699182881. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.