Doctor profile · Federal record

Dr. Sonia Cohen, MD,PHD

Surgical Oncology Physician (CMS: Surgical Oncology) · Surgery Physician · Surgery Physician · Boston, MA

  • NPI 1033557756
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Massachusetts General Hospital, 55 Fruit St.
Boston, MA 02114
(617) 726-2800

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
September 3, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2086X0206X — NUCC code
State licenses (2)
Massachusetts #284433 · Massachusetts #L-255653

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033557756. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
349
Distinct HCPCS
10
Medicare allowed
$55,347
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 85 70 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 64 46 $70
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $182
11604 Removal of cancer skin growth of body, arms, or legs, 3.1-4.0 cm 27 26 $153
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm 25 23 $284
99215 Established patient office or other outpatient visit, 40-54 minutes 21 20 $153
38900 Imaging of lymph nodes during surgery 16 16 $143
12044 Intermediate repair of wound of neck, hands, feet, or genitals, 7.6-12.5 cm 13 13 $170
38900 Imaging of lymph nodes during surgery 13 13 $149
11604 Removal of cancer skin growth of body, arms, or legs, 3.1-4.0 cm 11 11 $175

In context: peer comparison

Among 12 peers in this city , average services per provider: 27. This provider delivers 13× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sonia Cohen's medical specialty?
Dr. Sonia Cohen practices Surgical Oncology Physician in Boston, MA.
Where does Dr. Sonia Cohen practice?
Dr. Sonia Cohen practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177262800.
What is Dr. Sonia Cohen's NPI?
Dr. Sonia Cohen's National Provider Identifier (NPI) is 1033557756, issued by NPPES.
Does Dr. Sonia Cohen accept Medicare assignment?
Yes. Dr. Sonia Cohen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonia Cohen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.