Doctor profile · Federal record

Dr. Leora Balsam, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Worcester, MA

  • NPI 1083800585
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Avenue North, Department of Surgery
Worcester, MA 016550001
(508) 334-2577
fax (508) 334-7284
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
November 2, 2020
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (3)
Massachusetts #273202 · New York #248717-1 · California #A69615
Medicaid
CA #00A869820

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083800585. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
214
Distinct HCPCS
9
Medicare allowed
$110,078
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 42 42 $133
33533 Coronary artery bypass using artery graft, 1 graft 40 40 $1,793
99205 New patient office or other outpatient visit, 60-74 minutes 30 30 $184
33518 Coronary artery bypass using vein or artery graft, 2 grafts 24 24 $403
99213 Established patient office or other outpatient visit, 20-29 minutes 18 18 $67
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $129
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $84
33361 Replacement of aortic valve through the skin and femoral artery 14 14 $745
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 13 $177

In context: peer comparison

Among 5 peers in Worcester Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 29. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $32.69

By nature of payment

Food and Beverage
$33

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leora Balsam's medical specialty?
Dr. Leora Balsam practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Worcester, MA.
Where does Dr. Leora Balsam practice?
Dr. Leora Balsam practices at 55 Lake Avenue North, Worcester, MA 016550001. Office phone: 5083342577.
What is Dr. Leora Balsam's NPI?
Dr. Leora Balsam's National Provider Identifier (NPI) is 1083800585, issued by NPPES.
Does Dr. Leora Balsam accept Medicare assignment?
Yes. Dr. Leora Balsam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leora Balsam commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.