Mark Roznik, M.D.
NPI 1184698482 · Internal Medicine Physician · Waukesha, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Roznik, M.D. is a Internal Medicine Physician provider in Waukesha, WI (NPI 1184698482).
Provider details
- NPI number
- 1184698482
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29104 (WI)
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
20 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
- 2006-02-14
- Last updated
- 2011-11-15
Frequently asked questions
- What is Mark Roznik's NPI number?
- Mark Roznik's National Provider Identifier (NPI) is 1184698482, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Roznik's specialty?
- Mark Roznik is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Roznik located?
- Mark Roznik's practice location on file with NPPES is N14w23900 Stone Ridge Dr, Waukesha, WI 53188-1135.
- What is Mark Roznik's phone number?
- The practice phone number listed in the NPPES registry for Mark Roznik is (262) 549-3030.
- Does Mark Roznik accept Medicare?
- Mark Roznik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Roznik's NPI active?
- Yes — Mark Roznik's NPI (1184698482) is active in the NPPES registry as of the last update on 2011-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.