Doctor profile · Federal record

Dr. Marc Shalek, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Plano, TX

  • NPI 1336136878
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6601 Preston RD
Plano, TX 750242502
(469) 326-3400
fax (469) 326-3499

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
June 10, 2013
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Texas #K5000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336136878. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,475
Distinct HCPCS
10
Medicare allowed
$486,688
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 1,415 1,113 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 1,378 1,074 $122
93793 Anticoagulant management of patient taking warfarin 803 337 $11
J2785 Injection, regadenoson, 0.1 mg 500 125 $54
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 490 432 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 327 327 $183
85610 Blood test, clotting time 209 117 $4
36415 Insertion of needle into vein for collection of blood sample 178 162 $8
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 153 153 $61
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose 110 110 $73

In context: peer comparison

Among 22 peers in Plano Cardiovascular Disease Physician, average services per provider: 176. This provider delivers 37× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,117
Transactions
55
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 18 $406.42
Novo Nordisk INC 7 $116.40
E.R. Squibb & Sons, L.L.C. 5 $108.62
Kiniksa Pharmaceuticals International, Plc 5 $96.31
Merck Sharp & Dohme LLC 3 $62.52
Amgen INC. 3 $61.62
Heartflow, INC. 2 $54.75
Esperion Therapeutics, INC. 3 $44.22
Pfizer INC. 2 $37.53
Sanofi-Aventis U.S. LLC 2 $36.25
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 2 $32.04
Acarix USA INC. 1 $27.59
Boehringer Ingelheim Pharmaceuticals, INC. 1 $18.20
Janssen Pharmaceuticals, INC 1 $14.54

By nature of payment

Food and Beverage
$1,117

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,824
Patients
1,761
Total drug cost
$948,753
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 805 259 $12,535
Metoprolol Succinate Generic 760 223 $14,478
Atorvastatin Calcium Generic 746 213 $9,703
Carvedilol Generic 467 134 $5,565
Clopidogrel (Clopidogrel Bisulfate) Brand 407 125 $7,447
Eliquis (Apixaban) Brand 404 101 $514,415
Ezetimibe Generic 284 93 $14,385
Amlodipine Besylate Generic 275 86 $2,462
Nifedipine ER (Nifedipine) Brand 256 71 $12,857
Lisinopril Generic 254 78 $3,079

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Shalek's medical specialty?
Dr. Marc Shalek practices Cardiovascular Disease Physician in Plano, TX.
Where does Dr. Marc Shalek practice?
Dr. Marc Shalek practices at 6601 Preston RD, Plano, TX 750242502. Office phone: 4693263400.
What is Dr. Marc Shalek's NPI?
Dr. Marc Shalek's National Provider Identifier (NPI) is 1336136878, issued by NPPES.
Does Dr. Marc Shalek accept Medicare assignment?
Yes. Dr. Marc Shalek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Shalek commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Anticoagulant management of patient taking warfarin (HCPCS 93793). Source: CMS Medicare Physician & Other Practitioners file.