Active NPI
Nawar Tayyan, M.D.
- Cardiovascular Disease Physician
- Houston, TX
National Provider Identifier
1649258963
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- L2692
- Practice address
- 11920 Astoria Blvd
Suite 220
Houston, TX 77089-6043 - Phone
- (281) 484-0900
- Fax
- (281) 484-0904
- NPI assigned
- Jan 6, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Specialist | 174400000X | L2692 | TX | |
| Cardiovascular Disease Physician | 207RC0000X | L2692 | TX | Primary |
| Interventional Cardiology Physician | 207RI0011X | L2692 | TX |
Addresses
Primary practice location
11920 Astoria Blvd
Suite 220
Houston, TX 77089-6043
Mailing address
11920 Astoria Blvd
Suite 220
Houston, TX 77089-6043
Phone (281) 484-0900
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 183628001 | Medicaid | TX | |
| 8V5320 | Other | TX | BCBSTX |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Cardiovascular Disease (Cardiology)
- Education
- Other, 1996
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
11920 Astoria Blvd
Houston, TX 77089-6097
Phone (281) 484-0900
Hospital & facility affiliations
- Memorial Hermann Hospital System
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Pacemaker insertion or repair | 1-10 |
| Leg revascularization (restoring blood flow) | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| L2692 | TX | MD | Interventional Cardiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cardiovascular Care Providers, Inc. | Specialist | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Cardiovascular Disease Physician
- Houston, TX
- NPI 1518996248
-
- Specialist
- Houston, TX
- NPI 1437242617
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Houston, TX
- NPI 1730132234
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1136505600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783468800000",
"number": "1649258963",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "11920 ASTORIA BLVD",
"address_2": "SUITE 220",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770896043",
"telephone_number": "281-484-0900",
"fax_number": "281-484-0904"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "11920 ASTORIA BLVD",
"address_2": "SUITE 220",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770896043",
"telephone_number": "281-484-0900",
"fax_number": "281-484-0904"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TAYYAN",
"first_name": "NAWAR",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-01-06",
"last_updated": "2026-07-08",
"certification_date": "2026-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "TX",
"license": "L2692",
"primary": false
},
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "TX",
"license": "L2692",
"primary": true
},
{
"code": "207RI0011X",
"taxonomy_group": "",
"desc": "Internal Medicine, Interventional Cardiology",
"state": "TX",
"license": "L2692",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "183628001",
"state": "TX"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBSTX",
"identifier": "8V5320",
"state": "TX"
}
],
"endpoints": [],
"other_names": []
}Other providers in Houston, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.