Mary Dean Onayemi, MD
NPI 1770518169 · Obstetrics & Gynecology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Dean Onayemi, MD is a Obstetrics & Gynecology Physician provider in Chicago, IL (NPI 1770518169).
Provider details
- NPI number
- 1770518169
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036065557 (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
19 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)
- 2320 E 93rd StChicago, IL 60617-3909Phone: (773) 967-3272
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2022-08-09
- Certified
- 2022-08-09
Frequently asked questions
- What is Mary Dean Onayemi's NPI number?
- Mary Dean Onayemi's National Provider Identifier (NPI) is 1770518169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Dean Onayemi's specialty?
- Mary Dean Onayemi is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Dean Onayemi located?
- Mary Dean Onayemi's practice location on file with NPPES is 1701 W Monterey Ave, Chicago, IL 60643-4257.
- What is Mary Dean Onayemi's phone number?
- The practice phone number listed in the NPPES registry for Mary Dean Onayemi is (773) 238-2282.
- Does Mary Dean Onayemi accept Medicare?
- Mary Dean Onayemi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Dean Onayemi's NPI active?
- Yes — Mary Dean Onayemi's NPI (1770518169) is active in the NPPES registry as of the last update on 2022-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.