Jacek Ubaka, MD
NPI 1699081646 · Neonatal-Perinatal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacek Ubaka, MD is a Neonatal-Perinatal Medicine Physician provider in Chicago, IL (NPI 1699081646).
Provider details
- NPI number
- 1699081646
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-125529 (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
15 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
- 2010-08-27
- Last updated
- 2021-05-04
- Certified
- 2021-05-04
Frequently asked questions
- What is Jacek Ubaka's NPI number?
- Jacek Ubaka's National Provider Identifier (NPI) is 1699081646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacek Ubaka's specialty?
- Jacek Ubaka is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacek Ubaka located?
- Jacek Ubaka's practice location on file with NPPES is 1901 W Harrison St, Chicago, IL 60612-3714.
- What is Jacek Ubaka's phone number?
- The practice phone number listed in the NPPES registry for Jacek Ubaka is (312) 864-6000.
- Does Jacek Ubaka accept Medicare?
- Jacek Ubaka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacek Ubaka's NPI active?
- Yes — Jacek Ubaka's NPI (1699081646) is active in the NPPES registry as of the last update on 2021-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.