Doctor profile · Federal record
Dr. Douglas Krefman, D.C.
Chiropractor (CMS: Chiropractic) · Chicago, IL
- NPI 1609243310
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
922 W Diversey Pkwy
Chicago, IL 606141416
(773) 529-0057
Credentials & registration
- NPI registered
- August 2015 — 11 yrs on file
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Illinois #038012867
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609243310. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
115
Distinct HCPCS
1
Medicare allowed
$4,644
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 115 | 14 | $40 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 328. This provider delivers 0.4× the peer median.Frequently asked questions
What is Dr. Douglas Krefman's medical specialty?
Dr. Douglas Krefman practices Chiropractor in Chicago, IL.
Where does Dr. Douglas Krefman practice?
Dr. Douglas Krefman practices at 922 W Diversey Pkwy, Chicago, IL 606141416. Office phone: 7735290057.
What is Dr. Douglas Krefman's NPI?
Dr. Douglas Krefman's National Provider Identifier (NPI) is 1609243310, issued by NPPES.
Does Dr. Douglas Krefman accept Medicare assignment?
Yes. Dr. Douglas Krefman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Krefman commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.