Doctor profile · Federal record

Dr. Amy Bregar, MD

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Gynecology Physician · Boston, MA

  • NPI 1851687446
  • Accepts Medicare
  • 15 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) 724-4800
Mailing address
55 Fruit St Ste 9E
Boston, MA 021142696

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
June 20, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Massachusetts #261993

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851687446. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
366
Distinct HCPCS
8
Medicare allowed
$53,473
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 117 82 $100
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 114 37 $126
99215 Established patient office or other outpatient visit, 40-54 minutes 32 32 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 30 28 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 27 20 $97
99205 New patient office or other outpatient visit, 60-74 minutes 23 23 $179
58571 Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 12 12 $974
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $184

In context: peer comparison

Among 10 peers in Boston Gynecologic Oncology Physician, average services per provider: 34. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$11,307
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 1 $11,200.00
GlaxoSmithKline, LLC. 1 $106.68

By nature of payment

Consulting Fee
$11,200
Food and Beverage
$107

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
12
Total drug cost
$59
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 14 12 $59

Frequently asked questions

Auto-generated from federal data
What is Dr. Amy Bregar's medical specialty?
Dr. Amy Bregar practices Gynecologic Oncology Physician in Boston, MA.
Where does Dr. Amy Bregar practice?
Dr. Amy Bregar practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177244800.
What is Dr. Amy Bregar's NPI?
Dr. Amy Bregar's National Provider Identifier (NPI) is 1851687446, issued by NPPES.
Does Dr. Amy Bregar accept Medicare assignment?
Yes. Dr. Amy Bregar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amy Bregar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.