Allegiance Internal Medicine Specialists, Sc
NPI 1699808196 · Internal Medicine Physician · Wauwatosa, WI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allegiance Internal Medicine Specialists, Sc is a Internal Medicine Physician organization in Wauwatosa, WI (NPI 1699808196).
Provider details
- NPI number
- 1699808196
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andrew Kim, President(414) 479-1800
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
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
- 2007-03-13
- Last updated
- 2020-08-22
Frequently asked questions
- What is Allegiance Internal Medicine Specialists, Sc's NPI number?
- Allegiance Internal Medicine Specialists, Sc's National Provider Identifier (NPI) is 1699808196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Allegiance Internal Medicine Specialists, Sc?
- Allegiance Internal Medicine Specialists, Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allegiance Internal Medicine Specialists, Sc located?
- Allegiance Internal Medicine Specialists, Sc's practice location on file with NPPES is 2645 N Mayfair Rd Ste 200, Wauwatosa, WI 53226-1304.
- What is Allegiance Internal Medicine Specialists, Sc's phone number?
- The practice phone number listed in the NPPES registry for Allegiance Internal Medicine Specialists, Sc is (414) 479-1800.
- Does Allegiance Internal Medicine Specialists, Sc accept Medicare?
- Allegiance Internal Medicine Specialists, Sc 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 Allegiance Internal Medicine Specialists, Sc?
- The authorized official listed on Allegiance Internal Medicine Specialists, Sc's NPPES record is Andrew Kim, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Allegiance Internal Medicine Specialists, Sc's NPI active?
- Yes — Allegiance Internal Medicine Specialists, Sc's NPI (1699808196) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.