University Obstetrics and Gynecology
NPI 1659413813 · Obstetrics & Gynecology Physician · Chicago, IL
University Obstetrics and Gynecology is a Obstetrics & Gynecology Physician organization in Chicago, IL (NPI 1659413813).
Provider details
- NPI number
- 1659413813
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Weitzner, President(312) 421-2010
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
19 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
- 2007-02-13
- Last updated
- 2020-08-22
Frequently asked questions
- What is University Obstetrics and Gynecology's NPI number?
- University Obstetrics and Gynecology's National Provider Identifier (NPI) is 1659413813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is University Obstetrics and Gynecology?
- University Obstetrics and Gynecology is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is University Obstetrics and Gynecology located?
- University Obstetrics and Gynecology's practice location on file with NPPES is 1725 W Harrison St, Chicago, IL 60612-3841.
- What is University Obstetrics and Gynecology's phone number?
- The practice phone number listed in the NPPES registry for University Obstetrics and Gynecology is (312) 421-2010.
- Who is the authorized official for University Obstetrics and Gynecology?
- The authorized official listed on University Obstetrics and Gynecology's NPPES record is John Weitzner, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is University Obstetrics and Gynecology's NPI active?
- Yes — University Obstetrics and Gynecology's NPI (1659413813) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.