Doctor profile · Federal record

Dr. Christoforos Giakoumatos, MD

Psychiatry Physician (CMS: Psychiatry) · Addiction Psychiatry Physician · Boston, MA

  • NPI 1336555267
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
100 Blossom St Ste 110
Boston, MA 021142606
(617) 726-6993
Additional location
339 Massachusetts Ave
Arlington, MA 024746718
(833) 510-4357

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Profile last updated
February 28, 2023
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Massachusetts #273223

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336555267. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
336
Distinct HCPCS
3
Medicare allowed
$35,058
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 162 25 $101
99443 Telephone medical discussion with physician, 21-30 minutes 115 19 $103
99214 Established patient office or other outpatient visit, 30-39 minutes 59 11 $115

In context: peer comparison

Among 128 peers in this city , average services per provider: 69. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $20.22

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,042
Patients
42
Total drug cost
$70,130
Drug Type Claims Patients Total cost
Clonazepam Generic 173 11 $1,117
Gabapentin Generic 136 18 $1,959
Risperidone Generic 75 0 $631
Suboxone (Buprenorphine Hcl/Naloxone Hcl) Brand 75 0 $38,563
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 74 13 $10,492
Trazodone Hcl Generic 66 0 $801
Bupropion Xl (Bupropion Hcl) Brand 65 0 $1,488
Clonidine Hcl Generic 65 0 $489
Mirtazapine Generic 58 0 $588
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 55 0 $1,190

Frequently asked questions

Auto-generated from federal data
What is Dr. Christoforos Giakoumatos's medical specialty?
Dr. Christoforos Giakoumatos practices Psychiatry Physician in Boston, MA.
Where does Dr. Christoforos Giakoumatos practice?
Dr. Christoforos Giakoumatos practices at 100 Blossom St Ste 110, Boston, MA 021142606. Office phone: 6177266993.
What is Dr. Christoforos Giakoumatos's NPI?
Dr. Christoforos Giakoumatos's National Provider Identifier (NPI) is 1336555267, issued by NPPES.
Does Dr. Christoforos Giakoumatos accept Medicare assignment?
Yes. Dr. Christoforos Giakoumatos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christoforos Giakoumatos commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.