Jonathan Gan, MD
NPI 1497405062 · Diagnostic Radiology Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Gan, MD is a Diagnostic Radiology Physician provider in Chicago, IL (NPI 1497405062).
Provider details
- NPI number
- 1497405062
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-03-26
- Last updated
- 2023-06-02
- Certified
- 2023-05-31
Frequently asked questions
- What is Jonathan Gan's NPI number?
- Jonathan Gan's National Provider Identifier (NPI) is 1497405062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Gan's specialty?
- Jonathan Gan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Gan located?
- Jonathan Gan's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-2908.
- What is Jonathan Gan's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Gan is (312) 503-7975.
- Does Jonathan Gan accept Medicare?
- Jonathan Gan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Gan's NPI active?
- Yes — Jonathan Gan's NPI (1497405062) is active in the NPPES registry as of the last update on 2023-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.