Anne Timmermann, MD, MS
NPI 1932964244 · Orthopaedic Surgery Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anne Timmermann, MD, MS is a Orthopaedic Surgery Physician provider in Chicago, IL (NPI 1932964244).
Provider details
- NPI number
- 1932964244
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 125.085229 (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
2 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
- 2024-02-15
- Last updated
- 2025-05-07
- Certified
- 2025-05-07
Frequently asked questions
- What is Anne Timmermann's NPI number?
- Anne Timmermann's National Provider Identifier (NPI) is 1932964244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anne Timmermann's specialty?
- Anne Timmermann is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Anne Timmermann located?
- Anne Timmermann's practice location on file with NPPES is 5841 S Maryland Ave # Mc1052, Chicago, IL 60637-1443.
- What is Anne Timmermann's phone number?
- The practice phone number listed in the NPPES registry for Anne Timmermann is (773) 702-6760.
- Does Anne Timmermann accept Medicare?
- Anne Timmermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anne Timmermann's NPI active?
- Yes — Anne Timmermann's NPI (1932964244) is active in the NPPES registry as of the last update on 2025-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.