Doctor profile · Federal record

Dr. Robert Gabbay, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Boston, MA

  • NPI 1720036627
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Joslin Pl
Boston, MA 022155306
(617) 309-2470

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 1, 2018
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Massachusetts #80447

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720036627. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
21
Distinct HCPCS
1
Medicare allowed
$2,183
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 21 17 $104

In context: peer comparison

Among 97 peers in this city , average services per provider: 116. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$166
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 2 $166.33

By nature of payment

Food and Beverage
$166

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
181
Patients
0
Total drug cost
$192,190
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 43 0 $69,042
Trulicity (Dulaglutide) Brand 30 0 $33,061
Jardiance (Empagliflozin) Brand 17 0 $22,442
Tresiba Flextouch U-100 (Insulin Degludec) Brand 17 0 $12,089
Atorvastatin Calcium Generic 15 0 $234
Novolog Flexpen (Insulin Aspart) Brand 13 0 $21,143
Farxiga (Dapagliflozin Propanediol) Brand 12 0 $20,031
Metformin Hcl Generic 12 0 $405
Januvia (Sitagliptin Phosphate) Brand 11 0 $13,544
Rosuvastatin Calcium Generic 11 0 $200

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Gabbay's medical specialty?
Dr. Robert Gabbay practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. Robert Gabbay practice?
Dr. Robert Gabbay practices at 1 Joslin Pl, Boston, MA 022155306. Office phone: 6173092470.
What is Dr. Robert Gabbay's NPI?
Dr. Robert Gabbay's National Provider Identifier (NPI) is 1720036627, issued by NPPES.
Does Dr. Robert Gabbay accept Medicare assignment?
Yes. Dr. Robert Gabbay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Gabbay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.