Michael Hazelberg, DO
NPI 1013051069 · Family Medicine Physician · West Allis, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hazelberg, DO is a Family Medicine Physician provider in West Allis, WI (NPI 1013051069).
Provider details
- NPI number
- 1013051069
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 50451-21 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 360 S Mountin DrMayville, WI 53050-1498Phone: (920) 387-7500Fax: (920) 387-7596
- 360 S Mountin DrMayville, WI 53050-1498Phone: (920) 387-7500Fax: (920) 387-7596
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2018-07-24
Frequently asked questions
- What is Michael Hazelberg's NPI number?
- Michael Hazelberg's National Provider Identifier (NPI) is 1013051069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hazelberg's specialty?
- Michael Hazelberg is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hazelberg located?
- Michael Hazelberg's practice location on file with NPPES is 2514 S 102nd St Ste 160, West Allis, WI 53227-2142.
- What is Michael Hazelberg's phone number?
- The practice phone number listed in the NPPES registry for Michael Hazelberg is (414) 255-0300.
- Does Michael Hazelberg accept Medicare?
- Michael Hazelberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hazelberg's NPI active?
- Yes — Michael Hazelberg's NPI (1013051069) is active in the NPPES registry as of the last update on 2018-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.