Duke Geem, MD, PHD
NPI 1225569882 · Pediatrics Physician · North Chicago, IL
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Duke Geem, MD, PHD is a Pediatrics Physician provider in North Chicago, IL (NPI 1225569882).
Provider details
- NPI number
- 1225569882
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 159500 (CA)
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
9 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
- 2017-03-24
- Last updated
- 2023-10-11
- Certified
- 2023-10-11
Frequently asked questions
- What is Duke Geem's NPI number?
- Duke Geem's National Provider Identifier (NPI) is 1225569882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duke Geem's specialty?
- Duke Geem is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Duke Geem located?
- Duke Geem's practice location on file with NPPES is 1 N Waukegan Rd Bldg Ap31-2, North Chicago, IL 60064-1802.
- What is Duke Geem's phone number?
- The practice phone number listed in the NPPES registry for Duke Geem is (847) 937-3278.
- Does Duke Geem accept Medicare?
- Duke Geem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Duke Geem's NPI active?
- Yes — Duke Geem's NPI (1225569882) is active in the NPPES registry as of the last update on 2023-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.