Nawar Tayyan, M.D.
NPI 1649258963 · Cardiovascular Disease Physician · Houston, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nawar Tayyan, M.D. is a Cardiovascular Disease Physician provider in Houston, TX (NPI 1649258963).
Provider details
- NPI number
- 1649258963
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L2692 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,839 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 399 | $126 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 346 | $14 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 215 | $163 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 214 | $161 |
| Ultrasound of Leg Arteries Or Artery Grafts93925 | 206 | $234 |
| Ultrasound Study of Arm and Leg Arteries93922 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 226 | 73 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 206 | 65 |
| Furosemide | 172 | 69 |
| Lisinopril | 170 | 50 |
| Losartan Potassium | 156 | 54 |
| Metoprolol Tartrate | 126 | 40 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$208 across 4 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
Registry dates
- Enumerated
- 2006-01-06
- Last updated
- 2015-03-20
Frequently asked questions
- What is Nawar Tayyan's NPI number?
- Nawar Tayyan's National Provider Identifier (NPI) is 1649258963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nawar Tayyan's specialty?
- Nawar Tayyan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nawar Tayyan located?
- Nawar Tayyan's practice location on file with NPPES is 11920 Astoria Blvd, Houston, TX 77089-6043.
- What is Nawar Tayyan's phone number?
- The practice phone number listed in the NPPES registry for Nawar Tayyan is (281) 484-0900.
- Does Nawar Tayyan accept Medicare?
- Nawar Tayyan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nawar Tayyan's NPI active?
- Yes — Nawar Tayyan's NPI (1649258963) is active in the NPPES registry as of the last update on 2015-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.