Mark Case, M.D.
NPI 1801879515 · Anesthesiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Case, M.D. is a Anesthesiology Physician provider in Milwaukee, WI (NPI 1801879515).
Provider details
- NPI number
- 1801879515
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 41328-020 (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
- 2005-11-28
- Last updated
- 2007-08-21
Frequently asked questions
- What is Mark Case's NPI number?
- Mark Case's National Provider Identifier (NPI) is 1801879515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Case's specialty?
- Mark Case is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Case located?
- Mark Case's practice location on file with NPPES is 2323 N Lake Dr, Milwaukee, WI 53211-4508.
- What is Mark Case's phone number?
- The practice phone number listed in the NPPES registry for Mark Case is (414) 291-1000.
- Does Mark Case accept Medicare?
- Mark Case is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Case's NPI active?
- Yes — Mark Case's NPI (1801879515) is active in the NPPES registry as of the last update on 2007-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.