Active NPI
Theresa L. Simmons, C.R.N.A.
- Certified Registered Nurse Anesthetist
- Gillette, WY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 101379
- Practice address
- 501 S Burma Ave
Gillette, WY 82716-3426 - Phone
- (307) 688-1524
- Fax
- (307) 687-7243
- NPI assigned
- Oct 11, 2006
- 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 |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | 101379 | NE | Primary |
Addresses
Primary practice location
501 S Burma Ave
Gillette, WY 82716-3426
Mailing address
1000 Pole Creek Crossing
Sidney, NE 69162-2900
Phone (308) 254-5825
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WY, SD, NE
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 2003
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1000 Pole Creek Xing
Sidney, NE 69162-2901
Phone (308) 254-5825
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 101379 | NE | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cheyenne County Hospital Association | Current | Accepting new patients | |
| Ivinson Memorial Hospital | Current | Accepting new patients | |
| Avera St. Mary's | Current | Accepting new patients | |
| Avera St Marys | Current | Accepting new patients | |
| Avera St Marys | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Ivinson Memorial Hospital | Current | Accepting new patients | |
| Cheyenne County Hospital Association Inc | Current | Accepting new patients |
Locations
645 Osage St
Sidney, NE 69162
Phone (308) 254-5825
1000 Pole Creek Xing
Sidney, NE 69162
Phone (308) 254-5825
3116 Willett Dr
Laramie, WY 82072
Phone (307) 742-6319
255 N 30th St
Laramie, WY 82072
Phone (307) 742-2141
Organizations & group practices 7
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.
-
dba Sidney Regional Medical Center
- Critical Access Hospital
- Sidney, NE
- NPI 1487736963
-
- Rural Health Clinic/Center
- Laramie, WY
- NPI 1033628599
-
- Rural Acute Care Hospital
- Laramie, WY
- NPI 1366626269
-
dba Avera St Marys Hospital ER CRNA
- Emergency Medicine Physician
- Pierre, SD
- NPI 1073305496
Nurse Anesthetist, Certified Registered
-
dba Sidney Regional Medical Center
- Specialty Pharmacy
- Sidney, NE
- NPI 1558077396
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Sidney Regional Medical Center
- Critical Access Hospital
- Sidney, NE
- NPI 1487736963
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1160524800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1772150400000",
"number": "1538258520",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1000 POLE CREEK CROSSING",
"city": "SIDNEY",
"state": "NE",
"postal_code": "691622900",
"telephone_number": "308-254-5825"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "501 S BURMA AVE",
"city": "GILLETTE",
"state": "WY",
"postal_code": "827163426",
"telephone_number": "307-688-1524",
"fax_number": "307-687-7243"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SIMMONS",
"first_name": "THERESA",
"middle_name": "L.",
"credential": "C.R.N.A.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-10-11",
"last_updated": "2026-02-27",
"certification_date": "2026-02-27",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "NE",
"license": "101379",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Gillette, WY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.