Doctor profile · Federal record

Dr. Mary Youssef, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Flower Mound, TX

  • NPI 1427083203
  • Accepts Medicare
  • MIPS 75.3 / 100 · 2023
  • 35 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 Flower Mound RD
Flower Mound, TX 750283401
(972) 434-1988
Additional location
614 S Edmonds Ln Ste 101
Lewisville, TX 750673624
fax (972) 436-0351
Mailing address
614 S Edmonds Ln Ste 101
Lewisville, TX 750673624

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 24, 2023
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (2)
Texas #L5191 · Wisconsin #51405-20
Medicaid (2)
TX #153905802 · WI #35131600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427083203. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,866
Distinct HCPCS
10
Medicare allowed
$316,685
HCPCS Description Services Patients Avg allowed
J2785 Injection, regadenoson, 0.1 mg 669 167 $54
99213 Established patient office or other outpatient visit, 20-29 minutes 578 359 $86
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 353 323 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 352 321 $14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 266 160 $75
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 231 225 $66
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 230 228 $60
85610 Blood test, clotting time 221 23 $4
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose 195 191 $64
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 191 190 $415

In context: peer comparison

Among 2 peers in Flower Mound Cardiovascular Disease Physician, average services per provider: 169. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,636
Transactions
91
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 38 $391.48
Novartis Pharmaceuticals Corporation 12 $266.73
Pfizer INC. 9 $173.47
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 4 $156.52
Boehringer Ingelheim Pharmaceuticals, INC. 5 $88.92
Lexicon Pharmaceuticals, INC. 1 $88.35
Sanofi-Aventis U.S. LLC 4 $86.10
Alnylam Pharmaceuticals INC. 4 $81.19
Boston Scientific Corporation 3 $68.25
Scpharmaceuticals INC. 4 $63.57
Janssen Pharmaceuticals, INC 2 $37.63
Amgen INC. 2 $32.62
AstraZeneca Pharmaceuticals Lp 1 $30.54
Philips North America LLC 1 $23.47
Agepha Pharma Fz LLC 1 $16.37

By nature of payment

Food and Beverage
$1,636

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,436
Patients
789
Total drug cost
$616,305
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 380 100 $431,082
Metoprolol Succinate Generic 288 98 $4,790
Amlodipine Besylate Generic 203 68 $1,629
Atorvastatin Calcium Generic 198 74 $2,464
Furosemide Generic 181 67 $1,326
Losartan Potassium Generic 164 51 $2,319
Lisinopril Generic 144 46 $1,542
Carvedilol Generic 139 49 $1,940
Simvastatin Generic 123 42 $1,282
Xarelto (Rivaroxaban) Brand 120 34 $154,919

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Youssef's medical specialty?
Dr. Mary Youssef practices Cardiovascular Disease Physician in Flower Mound, TX.
Where does Dr. Mary Youssef practice?
Dr. Mary Youssef practices at 1000 Flower Mound RD, Flower Mound, TX 750283401. Office phone: 9724341988.
What is Dr. Mary Youssef's NPI?
Dr. Mary Youssef's National Provider Identifier (NPI) is 1427083203, issued by NPPES.
Does Dr. Mary Youssef accept Medicare assignment?
Yes. Dr. Mary Youssef accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Youssef commonly perform?
Top Medicare-reported procedures in 2023: Injection, regadenoson, 0.1 mg (HCPCS J2785); Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.