Doctor profile · Federal record

Dr. Gregory McDermott, MD

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Boston, MA

  • NPI 1184005506
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(617) 732-5500
Additional location
Massachusetts General Hospital, 55 Fruit St.
Boston, MA 02114
(617) 726-7930

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
May 25, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
Massachusetts #272905 · Massachusetts #L-263646

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184005506. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
52
Distinct HCPCS
1
Medicare allowed
$5,396
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 52 30 $104

In context: peer comparison

Among 41 peers in Boston Rheumatology Physician, average services per provider: 68. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
254
Patients
26
Total drug cost
$358,374
Drug Type Claims Patients Total cost
Prednisone Generic 120 26 $1,223
Allopurinol Generic 33 0 $918
Actemra (Tocilizumab) Brand 21 0 $90,318
Methotrexate (Methotrexate Sodium) Brand 19 0 $1,218
Colchicine Generic 14 0 $1,955
Diclofenac Sodium Generic 12 0 $458
Enbrel Sureclick (Etanercept) Brand 12 0 $82,584
Humira(Cf) Pen (Adalimumab) Brand 12 0 $179,437
Hydroxychloroquine Sulfate Generic 11 0 $263

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory McDermott's medical specialty?
Dr. Gregory McDermott practices Rheumatology Physician in Boston, MA.
Where does Dr. Gregory McDermott practice?
Dr. Gregory McDermott practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Gregory McDermott's NPI?
Dr. Gregory McDermott's National Provider Identifier (NPI) is 1184005506, issued by NPPES.
Does Dr. Gregory McDermott accept Medicare assignment?
Yes. Dr. Gregory McDermott accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory McDermott commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.