Active NPI
Bonnie Marie Dittmann, PA-C
- Physician Assistant
- La Grande, OR
National Provider Identifier
1114244498
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA151196
- Practice address
- 2011 4TH St
La Grande, OR 97850-2511 - Phone
- (541) 963-4139
- Fax
- (541) 429-6612
- NPI assigned
- Apr 27, 2010
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA151196 | 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 practice location 1
142 E Dearborn Street
Union, OR 97883-0605
Phone (541) 562-6180
Other names 1
- Ms. Bonnie Marie Hayslett
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2009
- 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
354 W Adams Ave
Sisters, OR 97759-2619
Phone (541) 549-9609
Hospital & facility affiliations
- Enhabit Home Health
- Grande Ronde Hospital
- St Luke'S Regional Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA151196 | OR | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| South County Health District | Current | Accepting new patients | |
| Praxis Health, PC | Current | Accepting new patients | |
| Praxis Health, PC | Current | Accepting new patients |
Locations
2011 4th St
La Grande, OR 97850
Phone (541) 963-4139
142 E Dearborn St
Union, OR 97883
Phone (541) 562-6062
Interoperability endpoints
- lagrandefamilypractice@praxismedicalgroup.directbygreenway.com
Organizations & group practices 3
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.
-
- Multi-Specialty Clinic/Center
- Bend, OR
- NPI 1821068164
-
- Rural Health Clinic/Center
- Dallas, OR
- NPI 1942925326
-
- Rural Health Clinic/Center
- Elgin, OR
- NPI 1144496241
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- La Grande, OR
- NPI 1467446195
-
- Home Health Agency
- La Grande, OR
- NPI 1699824938
-
- 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": "1272326400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784764800000",
"number": "1114244498",
"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": [
{
"address_1": "142 E Dearborn Street",
"address_purpose": "LOCATION",
"city": "Union",
"state": "OR",
"postal_code": "978830605",
"country_code": "US",
"telephone_number": "541-562-6180",
"fax_number": "541-562-6173",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DITTMANN",
"first_name": "BONNIE",
"middle_name": "MARIE",
"name_prefix": "Ms.",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2010-04-27",
"last_updated": "2026-07-23",
"certification_date": "2026-07-23",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "OR",
"license": "PA151196",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "BONNIE",
"last_name": "HAYSLETT",
"middle_name": "MARIE",
"prefix": "MS.",
"credential": "PA",
"code": "1",
"type": "Former Name"
}
]
}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 Jul 23, 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.