Alex Dejong, D.O.
NPI 1235183476 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Hospice/Palliative Care · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alex Dejong, D.O. is a Family Medicine Physician provider in Chicago, IL (NPI 1235183476).
Provider details
- NPI number
- 1235183476
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036051143 (IL)
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
20 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
- 2006-05-20
- Last updated
- 2017-03-06
Frequently asked questions
- What is Alex Dejong's NPI number?
- Alex Dejong's National Provider Identifier (NPI) is 1235183476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alex Dejong's specialty?
- Alex Dejong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alex Dejong located?
- Alex Dejong's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1447.
- What is Alex Dejong's phone number?
- The practice phone number listed in the NPPES registry for Alex Dejong is (773) 834-4925.
- Does Alex Dejong accept Medicare?
- Alex Dejong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alex Dejong's NPI active?
- Yes — Alex Dejong's NPI (1235183476) is active in the NPPES registry as of the last update on 2017-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.