Active NPI
Robert L McKowen, M.D.
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Houston, TX
National Provider Identifier
1861534828
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- License
- H1515
- Practice address
- 12121 Richmond Ave
Suite 325
Houston, TX 77082-2432 - Phone
- (281) 496-1700
- Fax
- (281) 496-9081
- NPI assigned
- Feb 13, 2007
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | 208G00000X | H1515 | TX | Primary |
| Vascular Surgery Physician | 2086S0129X | H1515 | TX |
Addresses
Primary practice location
12121 Richmond Ave
Suite 325
Houston, TX 77082-2432
Mailing address
12121 Richmond Ave Ste 325
Houston, TX 77082-2456
Phone (281) 496-1700
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 128004204 | Medicaid | TX |
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
- Cardiac Surgery
- Education
- Virginia Commonwealth University, School of Medicine, 1978
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
12121 Richmond Ave
Suite 325
Houston, TX 77082-2456
Phone (281) 496-1700
Hospital & facility affiliations
- HCA Houston Healthcare West
- Memorial Hermann Hospital System
- Houston Methodist Sugarland Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Coronary artery bypass graft (CABG) | 1-10 |
| Pacemaker insertion or repair | 1-10 |
| Leg revascularization (restoring blood flow) | 13 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| H1515 | TX | MD | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Robert L McKowen MD | Thoracic Surgery (Cardiothoracic Vascular Surgery) | Current | Accepting new patients |
Locations
12121 Richmond Ave
Ste 325
Houston, TX 77082
Phone (281) 496-1700
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.
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Houston, TX
- NPI 1568660173
-
- Internal Medicine Physician
- Fort Worth, TX
- NPI 1780076562
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Houston, TX
- NPI 1275580938
-
- General Acute Care Hospital
- Houston, TX
- NPI 1730132234
-
- General Acute Care Hospital
- Sugar Land, TX
- NPI 1497871628
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1171324800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780272000000",
"number": "1861534828",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "12121 RICHMOND AVE STE 325",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770822456",
"telephone_number": "281-496-1700",
"fax_number": "281-496-9081"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "12121 RICHMOND AVE",
"address_2": "SUITE 325",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770822432",
"telephone_number": "281-496-1700",
"fax_number": "281-496-9081"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCKOWEN",
"first_name": "ROBERT",
"middle_name": "L",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-02-13",
"last_updated": "2026-06-01",
"certification_date": "2026-06-01",
"status": "A"
},
"taxonomies": [
{
"code": "208G00000X",
"taxonomy_group": "",
"desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
"state": "TX",
"license": "H1515",
"primary": true
},
{
"code": "2086S0129X",
"taxonomy_group": "",
"desc": "Surgery, Vascular Surgery",
"state": "TX",
"license": "H1515",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "128004204",
"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 Jun 1, 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.