Active NPI
Ethan Massingill, DO
- Internal Medicine Physician
- Seguin, TX
National Provider Identifier
1619665478
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- W7368
- Practice address
- 1215 E Court St
Seguin, TX 78155-5129 - Phone
- (830) 379-2411
- NPI assigned
- Apr 28, 2023
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | W7368 | TX | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | BP10085240 | TX |
Addresses
Primary practice location
1215 E Court St
Seguin, TX 78155-5129
Mailing address
1215 E Court St
Seguin, TX 78155-5129
Phone (830) 379-2411
Other practice location 1
11937 US Highway 271
Tyler, TX 75708-3154
Phone (903) 877-7200
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20230707001507 | TX | Order and Referring Only - Internal Medicine | 8820457914 |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2024
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
1215 E Court St
Seguin, TX 78155-5129
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
Interoperability endpoints
- emassingill877320@ahs.direct-ci.com
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1682640000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782950400000",
"number": "1619665478",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1215 E COURT ST",
"city": "SEGUIN",
"state": "TX",
"postal_code": "781555129",
"telephone_number": "830-379-2411"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1215 E COURT ST",
"city": "SEGUIN",
"state": "TX",
"postal_code": "781555129",
"telephone_number": "830-379-2411"
}
],
"practiceLocations": [
{
"address_1": "11937 US Highway 271",
"address_purpose": "LOCATION",
"city": "Tyler",
"state": "TX",
"postal_code": "757083154",
"country_code": "US",
"telephone_number": "903-877-7200",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MASSINGILL",
"first_name": "ETHAN",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-04-28",
"last_updated": "2026-07-02",
"certification_date": "2026-07-02",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "TX",
"license": "W7368",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "TX",
"license": "BP10085240",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Seguin, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.