Katherine Weller
NPI 1245969013 · Obstetrics & Gynecology Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Weller is a Obstetrics & Gynecology Physician provider in Chicago, IL (NPI 1245969013).
Provider details
- NPI number
- 1245969013
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 125.079876 (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
4 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
- 2022-06-07
- Last updated
- 2026-03-01
- Certified
- 2026-03-01
Frequently asked questions
- What is Katherine Weller's NPI number?
- Katherine Weller's National Provider Identifier (NPI) is 1245969013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Weller's specialty?
- Katherine Weller is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Weller located?
- Katherine Weller's practice location on file with NPPES is 1620 W Harrison St, Chicago, IL 60612-3801.
- What is Katherine Weller's phone number?
- The practice phone number listed in the NPPES registry for Katherine Weller is (312) 942-5000.
- Does Katherine Weller accept Medicare?
- Katherine Weller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Weller's NPI active?
- Yes — Katherine Weller's NPI (1245969013) is active in the NPPES registry as of the last update on 2026-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.