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Edit this profileAt a glance
- 1611 W Harrison St, Ste 400, Chicago, IL 60612
About Dr. Cohen
Mark S. Cohen, M.D. is a healthcare provider in Chicago, IL specializing in orthopaedic hand surgery. Mark trained at Harvard Medical School, graduating in 1986. Medicare claims data shows Mark provided 2,402 services to 593 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, x-ray of wrist, minimum of 3 views, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1952380669.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 243-4244
- Email not available
Practice Locations
1611 W HARRISON ST STE 400
Chicago, IL 60612
Conditions Commonly Evaluated or Treated
Within Hand Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Arthritis & Joints
- Bone Spur on Finger
- Hand Arthritis
- Kienbock's Disease
- Stiff Fingers
- Hand and Wrist Arthritis
- Wrist sprain
Congenital
Fractures & Injuries
- Boxer's Fracture
- Broken Scaphoid Bone
- Dislocated Finger
- Black Toenail
- Hand and finger fractures
- Jammed Finger
- Severed Finger
- Torn Thumb Ligament
- Wrist Cartilage Tear
- Wrist fracture
Injuries
- Boxer's Knuckle
- Crushed Hand Injury
- Foreign Object in Hand
- Hand Compartment Syndrome
- Jersey Finger
- Sprained Finger
Lumps & Bumps
Lumps & Masses
Nails
Nerves
- Cut Nerve in Hand
- Hand Neuroma
- Hand Numbness and Tingling
- Hand Weakness
- Pinched Nerve in Wrist
- Wrist Drop
- Carpal tunnel
- Cubital tunnel syndrome
Tendons
- Intersection Syndrome
- Swan Neck Deformity
- De Quervain tenosynovitis
- Dupuytren's contracture
- Golfer's elbow
- Mallet Finger
- Tennis elbow
- Torn Hand Tendon
- Trigger finger
Circulation
Infections
Procedures & services
Bone surgery
Cyst & Lump Removal
Fracture Repair
Injections
Injections & Therapy
- Custom Hand Splinting
- Mallet Finger Splinting
- PRP Shot for Wrist or Elbow
- Hand therapy
- Tendon Sheath Injection
Joint surgery
Joint Surgery
- Finger Joint Fusion
- Finger Joint Replacement
- Thumb Arthritis Surgery
- Wrist Arthroscopy
- Wrist Cartilage Repair
- Wrist Fusion
- Thumb Ligament Repair
Minor procedures
Nail procedures
Nerve surgery
Orthopedics
Pain management
Spine & Orthopedics
Tendon surgery
Tendon Surgery
- Tendon Repair Surgery
- Tendon Transfer Surgery
- Thumb Tendon Release
- Dupuytren contracture surgery
- Tennis Elbow Surgery
- Trigger finger release
Trauma & Reconstruction
- Drainage of Finger Infection
- Extra Finger Removal
- Fingertip Reconstruction
- Severed Finger Reattachment
- Webbed Finger Separation
Wound repair
Nerve Surgery
Procedures Most Often Billed to Medicare
2,402 services · 593 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
47 | Less often than most peers in Orthopaedic Hand Surgery |
| Release and/or relocation of hand nerve | Procedure | 64721 |
41 | More often than most peers in Orthopaedic Hand Surgery |
| Treatment of 3 or more broken lower forearm bone pieces on thumb side inside wrist joint with placement of stabilizing device | Procedure | 25609 |
12 | Less often than most peers in Orthopaedic Hand Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
114 | More often than most peers in Orthopaedic Hand Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
104 | More often than most peers in Orthopaedic Hand Surgery |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
95 | More often than most peers in Orthopaedic Hand Surgery |
| X-ray of elbow, minimum of 3 views | Imaging | 73080 |
46 | More often than most peers in Orthopaedic Hand Surgery |
| Ct scan of arm without contrast | Imaging | 73200 |
32 | Too few peers to compare |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
1,640 | Less often than most peers in Orthopaedic Hand Surgery |
| Slings | A4565 |
33 | More often than most peers in Orthopaedic Hand Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopaedic hand surgeons at this location 1
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 orthopaedic hand surgeons in Chicago 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Harvard Medical School 8
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.
Common questions
What does Mark S. Cohen specialize in?
Mark S. Cohen is an orthopaedic hand surgeon in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Hand Surgery”.
NPI registry
Where is Mark S. Cohen located?
Mark S. 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 Mark S. Cohen's phone number?
The number on file is (312) 243-4244. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark S. Cohen?
Mark S. 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 Mark S. Cohen train?
Mark S. Cohen attended Harvard Medical School, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark S. Cohen have?
Mark S. Cohen has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Mark S. Cohen do most often?
According to Medicare billing data, Mark S. 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 Mark S. Cohen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark S. Cohen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.