William Zemnickas, D.O
NPI 1568553667 · Surgery Physician · Lapeer, MI
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Zemnickas, D.O is a Surgery Physician provider in Lapeer, MI (NPI 1568553667).
Provider details
- NPI number
- 1568553667
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- WZ007094 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Mailing address
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2017-11-28
Frequently asked questions
- What is William Zemnickas's NPI number?
- William Zemnickas's National Provider Identifier (NPI) is 1568553667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Zemnickas's specialty?
- William Zemnickas is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Zemnickas located?
- William Zemnickas's practice location on file with NPPES is 844 S Main St, Lapeer, MI 48446-3027.
- What is William Zemnickas's phone number?
- The practice phone number listed in the NPPES registry for William Zemnickas is (810) 664-4100.
- Does William Zemnickas accept Medicare?
- William Zemnickas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Zemnickas's NPI active?
- Yes — William Zemnickas's NPI (1568553667) is active in the NPPES registry as of the last update on 2017-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.