Active NPI
Katherine Lynn Holder, OTR/L
- Speech-Language Pathologist
- Casper, WY
National Provider Identifier
1962408567
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Speech-Language Pathologist
- License
- SP-169
- Practice address
- 2546 E 2ND St
BLDG 500
Casper, WY 82609-2047 - Phone
- (307) 577-5204
- Fax
- (307) 577-5212
- NPI assigned
- Jun 28, 2005
- Reactivated
- Apr 5, 2006
- Last updated
- Jul 13, 2026
- 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 8
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Occupational Therapy Assistant | 224Z00000X | COTA-534 | WY | |
| Occupational Therapy Assistant | 224Z00000X | COTA-589 | WY | |
| Physical Therapist | 225100000X | PT-891 | WY | |
| Physical Therapy Assistant | 225200000X | PTA-490 | WY | |
| Occupational Therapist | 225X00000X | OTR-452 | WY | |
| Occupational Therapist | 225X00000X | OT-031 | WY | |
| Speech-Language Pathologist | 235Z00000X | SP-395 | WY | |
| Speech-Language Pathologist | 235Z00000X | SP-169 | WY | Primary |
Addresses
Primary practice location
2546 E 2ND St
BLDG 500
Casper, WY 82609-2047
Mailing address
2546 E 2ND St
BLDG 500
Casper, WY 82609-2047
Phone (307) 577-5204
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00693001 | Other | WY | BLUE CROSS BLUE SHIELD |
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)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| COTA-534 | WY | MD | Occupational Therapy Assistant |
| COTA-589 | WY | MD | Occupational Therapy Assistant |
| PT-891 | WY | MD | Physical Therapist |
| PTA-490 | WY | MD | Physical Therapy Assistant |
| OT-031 | WY | MD | Occupational Therapist |
| OTR-452 | WY | MD | Occupational Therapist |
| SP-169 | WY | MD | Speech-Language Pathologist |
| SP-395 | WY | MD | Speech-Language Pathologist |
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1119916800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1962408567",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2546 E 2ND ST",
"address_2": "BLDG 500",
"city": "CASPER",
"state": "WY",
"postal_code": "826092047",
"telephone_number": "307-577-5204",
"fax_number": "307-577-5212"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2546 E 2ND ST",
"address_2": "BLDG 500",
"city": "CASPER",
"state": "WY",
"postal_code": "826092047",
"telephone_number": "307-577-5204",
"fax_number": "307-577-5212"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOLDER",
"first_name": "KATHERINE",
"middle_name": "LYNN",
"name_prefix": "Ms.",
"credential": "OTR/L",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-06-28",
"last_updated": "2026-07-13",
"deactivation_date": "2006-03-17",
"reactivation_date": "2006-04-05",
"status": "A"
},
"taxonomies": [
{
"code": "224Z00000X",
"taxonomy_group": "",
"desc": "Occupational Therapy Assistant",
"state": "WY",
"license": "COTA-534",
"primary": false
},
{
"code": "224Z00000X",
"taxonomy_group": "",
"desc": "Occupational Therapy Assistant",
"state": "WY",
"license": "COTA-589",
"primary": false
},
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "WY",
"license": "PT-891",
"primary": false
},
{
"code": "225200000X",
"taxonomy_group": "",
"desc": "Physical Therapy Assistant",
"state": "WY",
"license": "PTA-490",
"primary": false
},
{
"code": "225X00000X",
"taxonomy_group": "",
"desc": "Occupational Therapist",
"state": "WY",
"license": "OTR-452",
"primary": false
},
{
"code": "225X00000X",
"taxonomy_group": "",
"desc": "Occupational Therapist",
"state": "WY",
"license": "OT-031",
"primary": false
},
{
"code": "235Z00000X",
"taxonomy_group": "",
"desc": "Speech-Language Pathologist",
"state": "WY",
"license": "SP-395",
"primary": false
},
{
"code": "235Z00000X",
"taxonomy_group": "",
"desc": "Speech-Language Pathologist",
"state": "WY",
"license": "SP-169",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS BLUE SHIELD",
"identifier": "00693001",
"state": "WY"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Casper, WY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.