IndividualActive
Egen Ong, M.D.
NPI 1538334727 · Family Medicine Physician · Chicago, IL
Egen Ong, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1538334727).
Provider details
- NPI number
- 1538334727
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036047126 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
5140 W Chicago Ave
Chicago, IL 60651-2903
Phone: (773) 287-0751
Street-level locationGet directions
Mailing address
6615 N Kimball Ave
Lincolnwood, IL 60712-3731
Registry dates
- Enumerated
- 2008-04-28
- Last updated
- 2008-04-28
Frequently asked questions
- What is Egen Ong's NPI number?
- Egen Ong's National Provider Identifier (NPI) is 1538334727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Egen Ong's specialty?
- Egen Ong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Egen Ong located?
- Egen Ong's practice location on file with NPPES is 5140 W Chicago Ave, Chicago, IL 60651-2903.
- What is Egen Ong's phone number?
- The practice phone number listed in the NPPES registry for Egen Ong is (773) 287-0751.
- Is Egen Ong's NPI active?
- Yes — Egen Ong's NPI (1538334727) is active in the NPPES registry as of the last update on 2008-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.