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Michael Wisniewski
NPI 1639019540 · Physician Assistant · Buffalo, NY
Michael Wisniewski is a Physician Assistant provider in Buffalo, NY (NPI 1639019540).
Provider details
- NPI number
- 1639019540
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
100 High St
Buffalo, NY 14203-1126
Phone: (716) 859-5600
Street-level locationGet directions
Mailing address
726 Exchange St
Buffalo, NY 14210-1484
Registry dates
- Enumerated
- 2026-03-30
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Michael Wisniewski's NPI number?
- Michael Wisniewski's National Provider Identifier (NPI) is 1639019540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Wisniewski's specialty?
- Michael Wisniewski is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Wisniewski located?
- Michael Wisniewski's practice location on file with NPPES is 100 High St, Buffalo, NY 14203-1126.
- What is Michael Wisniewski's phone number?
- The practice phone number listed in the NPPES registry for Michael Wisniewski is (716) 859-5600.
- Is Michael Wisniewski's NPI active?
- Yes — Michael Wisniewski's NPI (1639019540) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.