Active NPI
Saleen Gigi Mannil, AGNP-C
- Gerontology Nurse Practitioner
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gerontology Nurse Practitioner
- License
- AP140199
- Practice address
- 5815 Gulf Fwy Ste 100
Houston, TX 77023-5362 - Phone
- (713) 643-0012
- Fax
- (713) 643-5808
- NPI assigned
- Jun 21, 2019
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gerontology Nurse Practitioner | 363LG0600X | AP140199 | TX | Primary |
Addresses
Primary practice location
5815 Gulf Fwy Ste 100
Houston, TX 77023-5362
Mailing address
11511 Shadow Creek Pkwy
Pearland, TX 77584-7298
Phone (713) 442-0000
Other practice location 1
520 Gulfgate Center Mall
Houston, TX 77087-3022
Phone (713) 442-3700
Other names 1
- Mrs. Saleen Mathews
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- University of Texas Medical Branch at Galveston, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2626 S Loop W
Suite 265
Houston, TX 77054-5636
Phone (713) 796-9955
448 Castroville Rd
San Antonio, TX 78207-5147
Phone (210) 434-1400
520 Gulfgate Ctr Mall
Houston, TX 77087-3022
Phone (713) 442-3700
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Trumen Physicians and Associates PLLC | Current | Accepting new patients | |
| Kelsey-Seybold Medical Group, PLLC | Current | Accepting new patients | |
| Wellmed Medical Group, P.a. | Current | Accepting new patients | |
| Wellmed Medical Group, PA | Current | Accepting new patients |
Locations
520 Gulfgate Center Mall
Houston, TX 77087
Phone (713) 442-3700
2727 W Holcombe Blvd
Houston, TX 77025
Phone (713) 790-9412
2626 S Loop W
Ste 265
Houston, TX 77054
Phone (713) 796-9955
7887 Cambridge St
Houston, TX 77054
Phone (713) 796-2777
5815 Gulf Fwy
Ste 100
Houston, TX 77023
Phone (713) 643-0012
201 Enterprise Ave
Ste 900
League City, TX 77573
Phone (713) 442-2826
7010 Highway 6
Missouri City, TX 77459
Phone (713) 442-4200
11511 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 442-4997
2515 Business Center Dr
Pearland, TX 77584
Phone (713) 442-7200
6157 NW Loop 410
Ste 124
San Antonio, TX 78238
Phone (210) 523-1411
448 Castroville Rd
San Antonio, TX 78207
Phone (210) 434-1400
8637 Fredericksburg Rd
Ste 360
San Antonio, TX 78240
Phone (210) 304-3500
780 Clear Lake City Blvd
Bldg 2
Webster, TX 77598
Phone (281) 464-8988
Interoperability endpoints
- saleen.mannil@wellmed.eclinicaldirectplus.com
Organizations & group practices 5
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.
-
dba Kelsey Seybold Clinic
- Multi-Specialty Clinic/Center
- Houston, TX
- NPI 1013915255
-
- Geriatric Medicine (Internal Medicine) Physician
- Houston, TX
- NPI 1134442320
-
- Internal Medicine Physician
- San Antonio, TX
- NPI 1437156486
-
- Geriatric Medicine (Internal Medicine) Physician
- Houston, TX
- NPI 1316801004
-
dba WellMed Doctor's Hospital Senior Clinic
- Family Medicine Physician
- Corpus Christi, TX
- NPI 1740588243
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1561075200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768176000000",
"number": "1821659798",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "11511 SHADOW CREEK PKWY",
"city": "PEARLAND",
"state": "TX",
"postal_code": "775847298",
"telephone_number": "713-442-0000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5815 GULF FWY STE 100",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770235362",
"telephone_number": "713-643-0012",
"fax_number": "713-643-5808"
}
],
"practiceLocations": [
{
"address_1": "520 Gulfgate Center Mall",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "770873022",
"country_code": "US",
"telephone_number": "713-442-3700",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MANNIL",
"first_name": "SALEEN",
"middle_name": "GIGI",
"name_prefix": "Mrs.",
"credential": "AGNP-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2019-06-21",
"last_updated": "2026-01-12",
"certification_date": "2026-01-12",
"status": "A"
},
"taxonomies": [
{
"code": "363LG0600X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Gerontology",
"state": "TX",
"license": "AP140199",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "SALEEN",
"last_name": "MATHEWS",
"prefix": "MRS.",
"code": "1",
"type": "Former Name"
}
]
}
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 Jan 12, 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.