Doctor profile · Federal record

Dr. Gregory Dadekian, MD

Internal Medicine Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Lebanon, NH

  • NPI 1902082449
  • Accepts Medicare
  • MIPS 85.1 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Medical Center Dr, Dartmouth Hitchcock - Cardiology
Lebanon, NH 037561000
(603) 650-5861
fax (603) 640-1228

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
December 10, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Hampshire #16065

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902082449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,561
Distinct HCPCS
10
Medicare allowed
$124,844
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 832 724 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 500 498 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 128 116 $98
93321 Ultrasound of heart blood flow, valves and chambers, follow-up 120 117 $7
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 105 104 $3
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 105 58 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 95 48 $80
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 86 86 $21
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 86 86 $14
93308 Ultrasound of heart, follow-up 80 79 $25

In context: peer comparison

Among 40 peers in this city , average services per provider: 85. This provider delivers 30× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$184
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 1 $153.25
Abbott Laboratories 1 $30.83

By nature of payment

Food and Beverage
$184

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,453
Patients
438
Total drug cost
$273,382
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 262 93 $6,737
Atorvastatin Calcium Generic 212 70 $4,249
Eliquis (Apixaban) Brand 195 50 $207,238
Amlodipine Besylate Generic 133 45 $937
Lisinopril Generic 130 34 $1,283
Losartan Potassium Generic 94 34 $1,516
Carvedilol Generic 88 28 $993
Rosuvastatin Calcium Generic 58 15 $2,515
Furosemide Generic 50 19 $486
Spironolactone Generic 48 12 $602

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Dadekian's medical specialty?
Dr. Gregory Dadekian practices Internal Medicine Physician in Lebanon, NH.
Where does Dr. Gregory Dadekian practice?
Dr. Gregory Dadekian practices at 1 Medical Center Dr, Lebanon, NH 037561000. Office phone: 6036505861.
What is Dr. Gregory Dadekian's NPI?
Dr. Gregory Dadekian's National Provider Identifier (NPI) is 1902082449, issued by NPPES.
Does Dr. Gregory Dadekian accept Medicare assignment?
Yes. Dr. Gregory Dadekian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Dadekian commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.