Anna-Theresa Muller, MD
NPI 1942099551 · Surgery Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna-Theresa Muller, MD is a Surgery Physician provider in Chicago, IL (NPI 1942099551).
Provider details
- NPI number
- 1942099551
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 125.085338 (IL)
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
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
- 2025-05-01
- Last updated
- 2025-05-01
- Certified
- 2025-05-01
Frequently asked questions
- What is Anna-Theresa Muller's NPI number?
- Anna-Theresa Muller's National Provider Identifier (NPI) is 1942099551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna-Theresa Muller's specialty?
- Anna-Theresa Muller is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Anna-Theresa Muller located?
- Anna-Theresa Muller's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Anna-Theresa Muller's phone number?
- The practice phone number listed in the NPPES registry for Anna-Theresa Muller is (773) 702-6337.
- Does Anna-Theresa Muller accept Medicare?
- Anna-Theresa Muller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna-Theresa Muller's NPI active?
- Yes — Anna-Theresa Muller's NPI (1942099551) is active in the NPPES registry as of the last update on 2025-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.