Horizon Healthcare, Inc
NPI 1225052830 · Multi-Specialty Clinic/Center · Milwaukee, WI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Horizon Healthcare, Inc is a Multi-Specialty Clinic/Center organization in Milwaukee, WI (NPI 1225052830).
Provider details
- NPI number
- 1225052830
- Entity type
- Organization
- Primary specialty
- Multi-Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Rebbecca Zillmer, Manager(414) 301-6384
Specialties & taxonomies
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
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
9 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 (8)
- 3410 80th StKenosha, WI 53142-4975Phone: (414) 376-5577Fax: (414) 762-9927
- 5408 W Burleigh StMilwaukee, WI 53210-1624Phone: (414) 376-5577Fax: (414) 762-9277
- 2835 N 32nd StMilwaukee, WI 53210-1915Phone: (414) 376-5577Fax: (414) 762-9927
- 5005 W Howard AveMilwaukee, WI 53220-2025Phone: (414) 376-5577Fax: (414) 762-9927
- 2819 W Highland BlvdMilwaukee, WI 53208-3217Phone: (414) 376-5577Fax: (414) 762-9927
- 5555 N 51st StMilwaukee, WI 53218-3308Phone: (414) 376-5577Fax: (414) 762-9927
- 835 Wisconsin AveRacine, WI 53403-1505Phone: (414) 376-5577Fax: (414) 762-9927
- 741 N Grand Ave Ste 200Waukesha, WI 53186-4841Phone: (414) 376-5577
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2023-08-11
- Certified
- 2023-08-11
Frequently asked questions
- What is Horizon Healthcare, Inc's NPI number?
- Horizon Healthcare, Inc's National Provider Identifier (NPI) is 1225052830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Horizon Healthcare, Inc?
- Horizon Healthcare, Inc is classified in the NPPES registry as Multi-Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Horizon Healthcare, Inc located?
- Horizon Healthcare, Inc's practice location on file with NPPES is 4650 S Howell Ave, Milwaukee, WI 53207-5908.
- What is Horizon Healthcare, Inc's phone number?
- The practice phone number listed in the NPPES registry for Horizon Healthcare, Inc is (414) 376-5577.
- Does Horizon Healthcare, Inc accept Medicare?
- Horizon Healthcare, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Horizon Healthcare, Inc?
- The authorized official listed on Horizon Healthcare, Inc's NPPES record is Rebbecca Zillmer, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Horizon Healthcare, Inc's NPI active?
- Yes — Horizon Healthcare, Inc's NPI (1225052830) is active in the NPPES registry as of the last update on 2023-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.