Active NPI
Larissa Ann Thomas, M.D.
- Family Medicine Physician
- La Grande, OR
National Provider Identifier
1720344393
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- MD168475
- Practice address
- 2011 4TH St
La Grande, OR 97850-2511 - Phone
- (541) 963-4139
- Fax
- (541) 429-6612
- NPI assigned
- Apr 7, 2012
- 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | MD168475 | OR | Primary |
Addresses
Primary practice location
2011 4TH St
La Grande, OR 97850-2511
Mailing address
PO Box 1517
Pendleton, OR 97801-0410
Phone (877) 708-1119
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| R184141 | Other | MEDICARE PTAN PART A | |
| R184162 | Other | MEDICARE PTAN - PART B |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OR
- 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
- Tulane University School of Medicine, 2012
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2011 4TH St
La Grande, OR 97850-2511
Phone (541) 963-4139
Hospital & facility affiliations
- Enhabit Home Health
- Grande Ronde Hospital Home Care Services
- Grande Ronde Hospital
- St. Alphonsus Medical Center - Baker City
- St Luke'S Regional Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Praxis Health, PC | Current | Accepting new patients | |
| Praxis Health, PC | Family Medicine | Current | Accepting new patients |
Locations
2011 4th St
La Grande, OR 97850
Phone (541) 963-4139
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.
-
- Rural Health Clinic/Center
- Dallas, OR
- NPI 1942925326
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- La Grande, OR
- NPI 1285664037
-
- Critical Access Hospital
- La Grande, OR
- NPI 1467446195
-
- Home Health Agency
- La Grande, OR
- NPI 1699824938
-
- Critical Access Hospital
- Baker City, OR
- NPI 1386636355
-
- General Acute Care Hospital
- Boise, ID
- NPI 1770586794
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1333756800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767052800000",
"number": "1720344393",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 1517",
"city": "PENDLETON",
"state": "OR",
"postal_code": "978010410",
"telephone_number": "877-708-1119",
"fax_number": "541-278-8349"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2011 4TH ST",
"city": "LA GRANDE",
"state": "OR",
"postal_code": "978502511",
"telephone_number": "541-963-4139",
"fax_number": "541-429-6612"
}
],
"practiceLocations": [],
"basic": {
"last_name": "THOMAS",
"first_name": "LARISSA",
"middle_name": "ANN",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2012-04-07",
"last_updated": "2025-12-30",
"certification_date": "2025-12-30",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "OR",
"license": "MD168475",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE PTAN PART A",
"identifier": "R184141",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICARE PTAN - PART B",
"identifier": "R184162",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in La Grande, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 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.