Doctor profile · Federal record

Dr. Nicholas Tritos, MD

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

  • NPI 1881641512
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Zero Emerson Place, Suite 112 Massachusetts General Hospital - Neuroendocri
Boston, MA 02114
(617) 726-7948
fax (617) 726-1241

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 31, 2009
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Massachusetts #80812

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881641512. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
286
Distinct HCPCS
3
Medicare allowed
$41,605
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 252 212 $151
99214 Established patient office or other outpatient visit, 30-39 minutes 20 19 $100
99443 Telephone medical discussion with physician, 21-30 minutes 14 12 $103

In context: peer comparison

Among 97 peers in this city , average services per provider: 116. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,420
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
RECORDATI_RARE_DISEASES_INC. 1 $2,600.00
Alnylam Pharmaceuticals Inc. 1 $820.00

By nature of payment

Consulting Fee
$3,420

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,199
Patients
202
Total drug cost
$277,320
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 298 77 $5,343
Prednisone Generic 236 42 $3,434
Testosterone Generic 138 26 $26,322
Cabergoline Generic 132 29 $13,992
Hydrocortisone Generic 81 15 $2,982
Testosterone Cypionate Generic 66 13 $1,765
Genotropin (Somatropin) Brand 51 0 $55,008
Ozempic (Semaglutide) Brand 37 0 $41,140
Alendronate Sodium Generic 28 0 $403
Synthroid (Levothyroxine Sodium) Brand 25 0 $2,838

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Tritos's medical specialty?
Dr. Nicholas Tritos practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. Nicholas Tritos practice?
Dr. Nicholas Tritos practices at Zero Emerson Place, Boston, MA 02114. Office phone: 6177267948.
What is Dr. Nicholas Tritos's NPI?
Dr. Nicholas Tritos's National Provider Identifier (NPI) is 1881641512, issued by NPPES.
Does Dr. Nicholas Tritos accept Medicare assignment?
Yes. Dr. Nicholas Tritos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Tritos commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.