Ian Jasenof, M.D.
NPI 1578509428 · Obstetrics & Gynecology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Jasenof, M.D. is a Obstetrics & Gynecology Physician provider in Chicago, IL (NPI 1578509428).
Provider details
- NPI number
- 1578509428
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036083005 (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
20 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
- 2006-06-21
- Last updated
- 2023-10-30
- Certified
- 2023-10-30
Frequently asked questions
- What is Ian Jasenof's NPI number?
- Ian Jasenof's National Provider Identifier (NPI) is 1578509428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Jasenof's specialty?
- Ian Jasenof is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Jasenof located?
- Ian Jasenof's practice location on file with NPPES is 1220 S Wood St, Chicago, IL 60608-1202.
- What is Ian Jasenof's phone number?
- The practice phone number listed in the NPPES registry for Ian Jasenof is (312) 413-1453.
- Does Ian Jasenof accept Medicare?
- Ian Jasenof is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Jasenof's NPI active?
- Yes — Ian Jasenof's NPI (1578509428) is active in the NPPES registry as of the last update on 2023-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.