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- Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114
About Dr. Cohen
Sonia Cohen, MD, PhD practices surgery of the hand in Boston, MA. Sonia is a 2013 graduate of Harvard Medical School. Sonia is also listed as specializing in surgery. According to Medicare claims data, Sonia cared for 220 Medicare patients across 235 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1033557756.
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
- (617) 726-2800
- Email not available
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Practice Locations
MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT ST.
Boston, MA 02114
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
235 services · 220 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of lymph nodes during surgery | Procedure | 38900 |
14 | Less often than most peers in Surgery of the Hand |
| Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm | Procedure | 11606 |
14 | Less often than most peers in Surgery of the Hand |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
13 | Less often than most peers in Surgery of the Hand |
| Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | Procedure | 13121 |
12 | Less often than most peers in Surgery of the Hand |
| Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm | Procedure | 11603 |
11 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
88 | More often than most peers in Surgery of the Hand |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
28 | As often as other peers in Surgery of the Hand |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
21 | As often as other peers in Surgery of the Hand |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
20 | More often than most peers in Surgery of the Hand |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less often than most peers in Surgery of the Hand |
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 surgery of the hands at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 30 related providers in 4 groups
Other surgery of the hands in Boston 7
Same specialty, same city.
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Imaging of lymph nodes during surgery 7
Providers in MA who bill this service to Medicare most often.
Common questions
What is Dr. Cohen's specialty?
Dr. Cohen is a surgery of the hand in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Cohen?
Dr. Cohen is listed at Massachusetts General Hospital 55 Fruit St., Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Cohen?
The number on file is (617) 726-2800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Cohen's NPI number?
Dr. Cohen's National Provider Identifier is 1033557756. 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
What is Dr. Cohen's medical education?
Dr. Cohen attended Harvard Medical School, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Cohen been practicing?
Dr. Cohen has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Cohen known for?
According to Medicare billing data, Dr. Cohen performs procedures including imaging of lymph nodes during surgery, removal of cancer skin growth of body, arms, or legs, more than 4.0 cm and biopsy or removal of deep lymph nodes of underarm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Cohen confirmed this information?
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.
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