Michael Ritter, DO
NPI 1427006311 · Emergency Medical Services (Emergency Medicine) Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Ritter, DO is a Emergency Medical Services (Emergency Medicine) Physician provider in Milwaukee, WI (NPI 1427006311).
Provider details
- NPI number
- 1427006311
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 37312-021 (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
- 2006-05-04
- Last updated
- 2012-09-27
Frequently asked questions
- What is Michael Ritter's NPI number?
- Michael Ritter's National Provider Identifier (NPI) is 1427006311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Ritter's specialty?
- Michael Ritter is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Ritter located?
- Michael Ritter's practice location on file with NPPES is 945 N 12th St, Milwaukee, WI 53233-1305.
- What is Michael Ritter's phone number?
- The practice phone number listed in the NPPES registry for Michael Ritter is (414) 219-7880.
- Does Michael Ritter accept Medicare?
- Michael Ritter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Ritter's NPI active?
- Yes — Michael Ritter's NPI (1427006311) is active in the NPPES registry as of the last update on 2012-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.