Physician Profile
Michael R. Dehaan, M.D. practices surgery in Chicago, IL. Michael is a 1985 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb). Medicare claims data shows Michael provided 84 services to 82 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
401 N MICHIGAN AVE STE 1200
Chicago, IL 60611
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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84 services · 82 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Relocation of arm vein with connection to arm artery for hemodialysis | Procedure | 36821 |
24 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
47 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Michael R. Dehaan is a general surgeon in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Michael R. Dehaan is listed at 401 N Michigan Ave Ste 1200, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (312) 635-0973. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Michael R. Dehaan's National Provider Identifier is 1770588287. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Michael R. Dehaan attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Michael R. Dehaan has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Michael R. Dehaan performs procedures including relocation of arm vein with connection to arm artery for hemodialysis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Michael R. Dehaan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.