Doctor profile · Federal record

Dr. WILLIAM CALHOUN, MD

Cardiovascular Disease Physician (CMS: CARDIOVASCULAR DISEASE (CARDIOLOGY)) · TUPELO, MS

  • NPI 1932219177
  • Accepts Medicare
  • MIPS 87.9 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
499 GLOSTER CREEK VLG STE A2, CARDIOLOGY ASSOCIATES OF NORTH MS
TUPELO, MS 388014749
(662) 620-6800
fax (662) 620-6920
Additional location
2892 S LaMar Blvd
Oxford, MS 386555347
(662) 234-7441
fax (662) 234-7792
Additional location
830 S Gloster St
Tupelo, MS 388014934
fax (662) 620-6950

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 12, 2019
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Mississippi #14856
Medicaid
MS #0117346

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932219177. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
26,173
Distinct HCPCS
10
Medicare allowed
$1,130,007
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 10,090 101 $0
J1306 Injection, inclisiran, 1 mg 4,544 16 $12
J2785 Injection, regadenoson, 0.1 mg 1,260 315 $57
99214 Established patient office or other outpatient visit, 30-39 minutes 1,169 904 $117
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 924 822 $13
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 751 749 $168
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 493 475 $19
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 462 451 $65
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 454 453 $58
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 378 361 $28

In context: peer comparison

Among 6 peers in this city , average services per provider: 291. This provider delivers 90× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$497
Transactions
23
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $97.42
Alnylam Pharmaceuticals Inc. 4 $77.32
Novartis Pharmaceuticals Corporation 3 $51.90
Amgen Inc. 3 $44.42
Daxor Corporation 1 $41.15
ABIOMED 1 $32.70
PFIZER INC. 2 $30.43
Daiichi Sankyo Inc. 1 $24.04
Boston Scientific Corporation 1 $23.48
Novo Nordisk Inc 1 $20.77
Nuwellis, Inc. 1 $19.92
Merck Sharp & Dohme LLC 1 $18.04
Lexicon Pharmaceuticals, Inc. 1 $14.94

By nature of payment

Food and Beverage
$497

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,914
Patients
872
Total drug cost
$501,298
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 378 123 $6,585
Atorvastatin Calcium Generic 353 109 $4,543
Rosuvastatin Calcium Generic 285 86 $3,930
Amlodipine Besylate Generic 233 68 $2,136
Eliquis (Apixaban) Brand 231 52 $216,350
Carvedilol Generic 205 65 $1,671
Xarelto (Rivaroxaban) Brand 180 41 $167,924
Clopidogrel (Clopidogrel Bisulfate) Brand 172 56 $2,533
Losartan Potassium Generic 169 65 $1,971
Lisinopril Generic 157 52 $1,325

Hospital affiliations

CMS Hospital Compare