Active NPI
Mariah Herring, OTD, OTR/L
- Occupational Therapist
- Williston, ND
National Provider Identifier
1790654770
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Occupational Therapist
- License
- 2251
- Practice address
- 221 University Ave Ste 203
Williston, ND 58801-5618 - Phone
- (701) 580-8788
- Fax
- (701) 609-5231
- NPI assigned
- Oct 30, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Occupational Therapist | 225X00000X | 2251 | ND | Primary |
Addresses
Primary practice location
221 University Ave Ste 203
Williston, ND 58801-5618
Mailing address
140 1St St E
Dickinson, ND 58601-5211
Phone (701) 713-0794
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2251 | ND | MD | General Practice Dentistry |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Chatter, LLC | Occupational Therapist | Past | Accepting new patients |
Organizations & group practices 1
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1761782400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761782400000",
"number": "1790654770",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "140 1ST ST E",
"city": "DICKINSON",
"state": "ND",
"postal_code": "586015211",
"telephone_number": "701-713-0794",
"fax_number": "701-483-0060"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "221 UNIVERSITY AVE STE 203",
"city": "WILLISTON",
"state": "ND",
"postal_code": "588015618",
"telephone_number": "701-580-8788",
"fax_number": "701-609-5231"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HERRING",
"first_name": "MARIAH",
"credential": "OTD, OTR/L",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-10-30",
"last_updated": "2025-10-30",
"certification_date": "2025-10-30",
"status": "A"
},
"taxonomies": [
{
"code": "225X00000X",
"taxonomy_group": "",
"desc": "Occupational Therapist",
"state": "ND",
"license": "2251",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Williston, ND
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.