Clare Zimmerman, M.D.
NPI 1902291735 · Pediatric Hematology & Oncology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clare Zimmerman, M.D. is a Pediatric Hematology & Oncology Physician provider in Saint Louis, MO (NPI 1902291735).
Provider details
- NPI number
- 1902291735
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036157065 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 400 N 9th St Fl 3Springfield, IL 62702-5310Phone: (217) 545-8000
Registry dates
- Enumerated
- 2015-03-30
- Last updated
- 2021-06-29
- Certified
- 2021-06-29
Frequently asked questions
- What is Clare Zimmerman's NPI number?
- Clare Zimmerman's National Provider Identifier (NPI) is 1902291735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clare Zimmerman's specialty?
- Clare Zimmerman is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Clare Zimmerman located?
- Clare Zimmerman's practice location on file with NPPES is 1 Childrens Pl Cb 8116, Saint Louis, MO 63110.
- What is Clare Zimmerman's phone number?
- The practice phone number listed in the NPPES registry for Clare Zimmerman is (314) 454-6018.
- Does Clare Zimmerman accept Medicare?
- Clare Zimmerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clare Zimmerman's NPI active?
- Yes — Clare Zimmerman's NPI (1902291735) is active in the NPPES registry as of the last update on 2021-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.