Quick answers
- Where does Douglas Krefman see patients?
- Medicare's clinician data lists 2 practice locations, including Glenview, IL and Chicago, IL. Call before your visit to confirm the address.
- What is Douglas Krefman's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Douglas Krefman accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas Krefman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Douglas Krefman?
- (224) 628-9732, as listed in official Medicare / NPI Registry data.
- What is Douglas Krefman's NPI number?
- 1609243310. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Douglas Krefman is enrolled with Medicare (CMS data updated 2026-10-02).
- 2551 Compass Rd, Suite 110Glenview, IL 60026 (224) 628‑9732
- 922 W Diversey PkwyChicago, IL 60614 (773) 529‑0057
Group practices
Medicare enrollment lists Douglas Krefman as a member of these groups (CMS data updated 2026-10-02).
- Chicago Spine and Sports, P.C.2 clinicians in the group
- Krefman Chiropractic and Rehabilitation LLC2 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Glenview
Clinicians with the same Medicare primary specialty in Glenview, IL — not a recommendation.
Clinician information
| Credential | CH |
|---|---|
| Medical school | National College Of Chiropractic |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609243310 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians