Active NPI
Evelyn Yeong-Ching Chou, DO
- Family Medicine Physician
- Tyler, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- T6859
- Practice address
- 520 E Douglas Blvd
Tyler, TX 75702-8307 - Phone
- (903) 606-1721
- NPI assigned
- May 4, 2020
- Last updated
- Jul 22, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | T6859 | TX | Primary |
| Hospice and Palliative Medicine (Family Medicine) Physician | 207QH0002X | 81135-21 | WI |
Addresses
Primary practice location
520 E Douglas Blvd
Tyler, TX 75702-8307
Mailing address
520 E Douglas Blvd
Tyler, TX 75702
Phone (903) 606-8785
Other practice location 1
800 E Dawson St
Tyler, TX 75701-2036
Phone (903) 593-8441
Other practice location 2
700 S Fleishel Ave
Tyler, TX 75701-2014
Phone (903) 606-5600
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
- Family Practice
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
4111 University Blvd
Tyler, TX 75701-6623
Phone (903) 566-9872
520 Douglas Blvd
Tyler, TX 75702-8307
Phone (903) 593-1721
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| T6859 | TX | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Texas Palliative Care | Hospice and Palliative Medicine | Current | Accepting new patients |
| Christus Trinity Clinic Texas | Family Medicine | Current | Accepting new patients |
| Christus Trinity Clinic Texas | Current | Accepting new patients |
Locations
4111 University Blvd
Tyler, TX 75701
Phone (903) 266-3400
520 Douglas Blvd
Tyler, TX 75702
Phone (903) 510-1175
630 S Fleishel Ave
Tyler, TX 75701
Phone (903) 510-8888
700 S Fleishel Ave
Tyler, TX 75701
Phone (903) 509-4100
800 E Dawson St
Tyler, TX 75701
Phone (903) 531-5018
Interoperability endpoints
- echou355073@ahs.direct-ci.com
- echou390764@christushealth.direct-ci.net
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Christus Trinity Clinic
- Family Medicine Physician
- Tyler, TX
- NPI 1285684225
-
- Hospice and Palliative Medicine (Family Medicine) Physician
- Tyler, TX
- NPI 1174771554
-
dba CHRISTUS Mother Frances Hospital - Jacksonville
- Critical Access Hospital
- Jacksonville, TX
- NPI 1952306672
-
dba Christus Trinity Clinic
- Rural Health Clinic/Center
- Winnsboro, TX
- NPI 1801673165
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Community Based Hospice Care Agency
- Tyler, TX
- NPI 1790788958
-
dba Christus Mother Frances Hospital Tyler
- General Acute Care Hospital
- Tyler, TX
- NPI 1679578439
-
- General Acute Care Hospital
- Tyler, TX
- NPI 1407364847
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1588550400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753142400000",
"number": "1386265106",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "520 E DOUGLAS BLVD",
"city": "TYLER",
"state": "TX",
"postal_code": "75702",
"telephone_number": "903-606-8785"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "520 E DOUGLAS BLVD",
"city": "TYLER",
"state": "TX",
"postal_code": "757028307",
"telephone_number": "903-606-1721"
}
],
"practiceLocations": [
{
"address_1": "800 E Dawson St",
"address_purpose": "LOCATION",
"city": "Tyler",
"state": "TX",
"postal_code": "757012036",
"country_code": "US",
"telephone_number": "903-593-8441",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "700 S Fleishel Ave",
"address_purpose": "LOCATION",
"city": "Tyler",
"state": "TX",
"postal_code": "757012014",
"country_code": "US",
"telephone_number": "903-606-5600",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHOU",
"first_name": "EVELYN",
"middle_name": "YEONG-CHING",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-05-04",
"last_updated": "2025-07-22",
"certification_date": "2025-07-22",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "TX",
"license": "T6859",
"primary": true
},
{
"code": "207QH0002X",
"taxonomy_group": "",
"desc": "Family Medicine, Hospice and Palliative Medicine",
"state": "WI",
"license": "81135-21",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Tyler, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 2025; 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.