Robert Zimmanck, M.D.
NPI 1821230483 · Anesthesiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Zimmanck, M.D. is a Anesthesiology Physician provider in Milwaukee, WI (NPI 1821230483).
Provider details
- NPI number
- 1821230483
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 55000-20 (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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 10400 75th StKenosha, WI 53142-7884Phone: (414) 358-5443
Registry dates
- Enumerated
- 2009-03-29
- Last updated
- 2025-11-24
- Certified
- 2025-11-24
Frequently asked questions
- What is Robert Zimmanck's NPI number?
- Robert Zimmanck's National Provider Identifier (NPI) is 1821230483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Zimmanck's specialty?
- Robert Zimmanck is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Zimmanck located?
- Robert Zimmanck's practice location on file with NPPES is 8701 W Watertown Plank Rd, Milwaukee, WI 53226-3548.
- What is Robert Zimmanck's phone number?
- The practice phone number listed in the NPPES registry for Robert Zimmanck is (414) 805-3000.
- Does Robert Zimmanck accept Medicare?
- Robert Zimmanck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Zimmanck's NPI active?
- Yes — Robert Zimmanck's NPI (1821230483) is active in the NPPES registry as of the last update on 2025-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.