Jen-Chieh Cheng, M.D.03/08/1941
NPI 1154331098 · Geriatric Medicine (Internal Medicine) Physician · North Chicago, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jen-Chieh Cheng, M.D.03/08/1941 is a Geriatric Medicine (Internal Medicine) Physician provider in North Chicago, IL (NPI 1154331098).
Provider details
- NPI number
- 1154331098
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.03/08/1941
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
- Nephrology Physician207RN0300X
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
83% 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
- 2006-08-09
- Last updated
- 2025-09-11
Frequently asked questions
- What is Jen-Chieh Cheng's NPI number?
- Jen-Chieh Cheng's National Provider Identifier (NPI) is 1154331098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jen-Chieh Cheng's specialty?
- Jen-Chieh Cheng is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jen-Chieh Cheng located?
- Jen-Chieh Cheng's practice location on file with NPPES is 3001 Green Bay Rd, North Chicago, IL 60064-3048.
- What is Jen-Chieh Cheng's phone number?
- The practice phone number listed in the NPPES registry for Jen-Chieh Cheng is (847) 688-1900.
- Does Jen-Chieh Cheng accept Medicare?
- Jen-Chieh Cheng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jen-Chieh Cheng's NPI active?
- Yes — Jen-Chieh Cheng's NPI (1154331098) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.