Michael Wisiorek, D.O.
NPI 1427001262 · Family Medicine Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Wisiorek, D.O. is a Family Medicine Physician provider in Williamsville, NY (NPI 1427001262).
Provider details
- NPI number
- 1427001262
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 261764 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Minoxidil | 394 | 123 |
| Finasteride | 112 | 57 |
| Atorvastatin Calcium | 22 | — |
| Cephalexin | 21 | 20 |
| Amlodipine Besylate | 18 | — |
| Diazepam | 17 | 17 |
| Tramadol Hcl | 16 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$145 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2023-03-07
- Certified
- 2023-03-07
Frequently asked questions
- What is Michael Wisiorek's NPI number?
- Michael Wisiorek's National Provider Identifier (NPI) is 1427001262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Wisiorek's specialty?
- Michael Wisiorek is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Wisiorek located?
- Michael Wisiorek's practice location on file with NPPES is 777 Maple Road, Williamsville, NY 14221.
- What is Michael Wisiorek's phone number?
- The practice phone number listed in the NPPES registry for Michael Wisiorek is (716) 500-4247.
- Does Michael Wisiorek accept Medicare?
- Michael Wisiorek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Wisiorek's NPI active?
- Yes — Michael Wisiorek's NPI (1427001262) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.