Doctor profile · Federal record

Dr. Antranig Kalaydjian, M.D.

Pain Medicine (Anesthesiology) Physician (CMS: Pain Management) · Worcester, MA

  • NPI 1043658735
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
123 Summer St Ste 370
Worcester, MA 016081216
(508) 964-5580
fax (508) 368-3143
Mailing address
5 Neponset St
Worcester, MA 016062714

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
May 22, 2024
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207LP2900X — NUCC code
State license (1)
Massachusetts #275106

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043658735. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,831
Distinct HCPCS
10
Medicare allowed
$153,627
HCPCS Description Services Patients Avg allowed
J1030 Injection, methylprednisolone acetate, 40 mg 489 236 $7
J1100 Injection, dexamethasone sodium phosphate, 1 mg 340 14 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 224 168 $130
20610 Aspiration and/or injection of fluid from large joint 141 114 $68
77002 Fluoroscopic guidance for needle placement 140 117 $123
99204 New patient office or other outpatient visit, 45-59 minutes 120 120 $170
99213 Established patient office or other outpatient visit, 20-29 minutes 99 89 $91
62323 Injection of substance into lower spine canal using imaging guidance 67 53 $265
27096 Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 48 37 $198
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level 40 35 $246

In context: peer comparison

Among 2 peers in Worcester Pain Medicine (Anesthesiology) Physician, average services per provider: 89. This provider delivers 21× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Antranig Kalaydjian's medical specialty?
Dr. Antranig Kalaydjian practices Pain Medicine (Anesthesiology) Physician in Worcester, MA.
Where does Dr. Antranig Kalaydjian practice?
Dr. Antranig Kalaydjian practices at 123 Summer St Ste 370, Worcester, MA 016081216. Office phone: 5089645580.
What is Dr. Antranig Kalaydjian's NPI?
Dr. Antranig Kalaydjian's National Provider Identifier (NPI) is 1043658735, issued by NPPES.
Does Dr. Antranig Kalaydjian accept Medicare assignment?
Yes. Dr. Antranig Kalaydjian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Antranig Kalaydjian commonly perform?
Top Medicare-reported procedures in 2023: Injection, methylprednisolone acetate, 40 mg (HCPCS J1030); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.