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Stephen Baker, M.D.
NPI 1518931013 · Internal Medicine Physician · Wauwatosa, WI
Stephen Baker, M.D. is a Internal Medicine Physician provider in Wauwatosa, WI (NPI 1518931013).
Provider details
- NPI number
- 1518931013
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 26911 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
10950 W Capitol Dr
Wauwatosa, WI 53222-1110
Phone: (414) 464-4460
Fax: (414) 464-7074
Street-level locationGet directions
Mailing address
4425 N Port Washington Rd
Glendale, WI 53212-1082
Registry dates
- Enumerated
- 2006-02-14
- Last updated
- 2012-06-04
Frequently asked questions
- What is Stephen Baker's NPI number?
- Stephen Baker's National Provider Identifier (NPI) is 1518931013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Baker's specialty?
- Stephen Baker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Baker located?
- Stephen Baker's practice location on file with NPPES is 10950 W Capitol Dr, Wauwatosa, WI 53222-1110.
- What is Stephen Baker's phone number?
- The practice phone number listed in the NPPES registry for Stephen Baker is (414) 464-4460.
- Is Stephen Baker's NPI active?
- Yes — Stephen Baker's NPI (1518931013) is active in the NPPES registry as of the last update on 2012-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.