Mary Youssef, MD
NPI 1427083203 · Cardiovascular Disease Physician · Flower Mound, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Youssef, MD is a Cardiovascular Disease Physician provider in Flower Mound, TX (NPI 1427083203).
Provider details
- NPI number
- 1427083203
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- L5191 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,741 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 645 | $86 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 432 | $13 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 422 | $8 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician93015 | 264 | $60 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 248 | $176 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 442 | 118 |
| Metoprolol Succinate | 389 | 122 |
| Amlodipine Besylate | 262 | 87 |
| Atorvastatin Calcium | 236 | 82 |
| Losartan Potassium | 185 | 59 |
| Furosemide | 175 | 72 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,636 across 93 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 614 S Edmonds Ln Ste 101Lewisville, TX 75067-3624Phone: (972) 434-1988Fax: (972) 436-0351
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2023-07-24
- Certified
- 2023-07-24
Frequently asked questions
- What is Mary Youssef's NPI number?
- Mary Youssef's National Provider Identifier (NPI) is 1427083203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Youssef's specialty?
- Mary Youssef is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Youssef located?
- Mary Youssef's practice location on file with NPPES is 1000 Flower Mound Rd, Flower Mound, TX 75028-3401.
- What is Mary Youssef's phone number?
- The practice phone number listed in the NPPES registry for Mary Youssef is (972) 434-1988.
- Does Mary Youssef accept Medicare?
- Mary Youssef is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Youssef's NPI active?
- Yes — Mary Youssef's NPI (1427083203) is active in the NPPES registry as of the last update on 2023-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.