Mark Brimmeier, PA-C
NPI 1083441455 · Physician Assistant · Chicago, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Brimmeier, PA-C is a Physician Assistant provider in Chicago, IL (NPI 1083441455).
Provider details
- NPI number
- 1083441455
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 085-011947 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-09-18
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Mark Brimmeier's NPI number?
- Mark Brimmeier's National Provider Identifier (NPI) is 1083441455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Brimmeier's specialty?
- Mark Brimmeier is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Brimmeier located?
- Mark Brimmeier's practice location on file with NPPES is 1620 W Harrison St, Chicago, IL 60612-3801.
- What is Mark Brimmeier's phone number?
- The practice phone number listed in the NPPES registry for Mark Brimmeier is (312) 942-4200.
- Does Mark Brimmeier accept Medicare?
- Mark Brimmeier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Brimmeier's NPI active?
- Yes — Mark Brimmeier's NPI (1083441455) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.