Physician Profile
Unclaimed ProfileAbout COHEN
Mark S. Cohen, M.D. is a healthcare provider in Chicago, IL specialising in hand surgery. Mark trained at Harvard Medical School, graduating in 1986. Mark is also listed as specialising in orthopaedic hand surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Cohen specialise in?
Dr. Cohen is a hand surgeon in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HAND SURGERY”.
NPI registry
Where is Dr. Cohen located?
Dr. Cohen is listed at 1611 W HARRISON ST STE 400, Chicago, IL 60612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Cohen's phone number?
The number on file is (312) 243-4244. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Cohen?
Dr. Cohen's National Provider Identifier is 1952380669. 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
Where did Dr. Cohen go to medical school?
Dr. Cohen attended Harvard Medical School, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Cohen have?
Dr. Cohen has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Cohen do most often?
According to Medicare billing data, Dr. Cohen performs procedures including injection into tendon or ligament, release and/or relocation of hand nerve and treatment of 3 or more broken lower forearm bone pieces on thumb side inside wrist joint with placement of stabilizing device; reads or performs imaging such as x-ray of wrist, minimum of 3 views and x-ray of hand, minimum of 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Cohen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cohen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (312) 243-4244
- Email not available
Practice Locations
1611 W HARRISON ST STE 400
Chicago, IL 60612
Procedures Most Often Billed to Medicare
2,402 services · 593 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
47 |
| Release and/or relocation of hand nerve | Procedure | 64721 |
41 |
| Treatment of 3 or more broken lower forearm bone pieces on thumb side inside wrist joint with placement of stabilizing device | Procedure | 25609 |
12 |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
114 |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
104 |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
95 |
| X-ray of elbow, minimum of 3 views | Imaging | 73080 |
46 |
| Ct scan of arm without contrast | Imaging | 73200 |
32 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
1,640 |
| Slings | A4565 |
33 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hand surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hand surgeons in Chicago 6
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Harvard Medical School 7
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Injection into tendon or ligament 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.