Active NPI
Karen J Berg, CRNA
- Certified Registered Nurse Anesthetist
- Fort Collins, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- APN.0992725-CRNA
- Practice address
- 1236 E Elizabeth St Ste 1
Fort Collins, CO 80524-4000 - Phone
- (970) 224-2985
- Fax
- (970) 472-9381
- NPI assigned
- Jan 8, 2007
- Last updated
- Jul 21, 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | 735573 | TX | |
| Certified Registered Nurse Anesthetist | 367500000X | 125767 | CO | |
| Certified Registered Nurse Anesthetist | 367500000X | APN.0992725-CRNA | CO | Primary |
Addresses
Primary practice location
1236 E Elizabeth St Ste 1
Fort Collins, CO 80524-4000
Mailing address
1236 E Elizabeth St Ste 1
Fort Collins, CO 80524-4000
Phone (970) 224-2985
Other practice location 1
1950 Mountain View Ave
Longmont, CO 80501-3129
Phone (303) 651-5300
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1933772-01 | Medicaid | TX |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, CO
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 1994
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
9320 Grand Cordera Pkwy
Colorado Springs, CO 80924-7003
Phone (719) 258-1250
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 125767 | CO | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Anesthesia Dynamics LLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Catholic Health Initiatives Colorado | Current | Accepting new patients | |
| Catholic Health Initiatives Colorado | Current | Accepting new patients | |
| Diehl Anesthesia Inc | Current | Accepting new patients | |
| Austin Anesthesiology Group PLLC | Current | Accepting new patients | |
| Arapahoe Gastroenterology Anesthesia Associates LLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Austin Anesthesiology Group, PLLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Northern Colorado Anesthesia Professionals PLLC | Current | Accepting new patients | |
| Catholic Health Initiatives Colorado | Current | Accepting new patients | |
| Complete Care Office Anesthesia LLC | Past | Accepting new patients | |
| Anesthesia Consultants PC | Past | Accepting new patients | |
| OB GYN Anesthesia PC | Past | Accepting new patients |
Locations
14272 E Evans Ave
Aurora, CO 80014
Phone (303) 425-2800
13111 E Briarwood Ave
Ste 300
Centennial, CO 80112
Phone (303) 671-5533
9100 E Mineral Cir
Centennial, CO 80112
Phone (303) 561-5193
9320 Grand Cordera Pkwy
Colorado Springs, CO 80924
Phone (719) 258-1250
4700 Hale Pkwy
Ste 200
Denver, CO 80220
Phone (303) 758-1175
1236 E Elizabeth St
Ste 1
Fort Collins, CO 80524
Phone (970) 236-2628
11600 W 2nd Pl
Lakewood, CO 80228
Phone (720) 321-1010
7000 W Colfax Ave
Lakewood, CO 80214
Phone (303) 671-5553
1001 Southpark Dr
Littleton, CO 80120
Phone (303) 531-5724
10101 Ridgegate Pkwy
Lone Tree, CO 80124
Phone (720) 225-1000
1950 Mountain View Ave
Longmont, CO 80501
Phone (303) 651-5000
2500 Rocky Mountain Ave
Loveland, CO 80538
Phone (970) 297-6425
2555 E 13th St
Ste 220
Loveland, CO 80537
Phone (970) 669-5432
9395 Crown Crest Blvd
Parker, CO 80138
Phone (303) 269-4000
9397 Crown Crest Blvd
Parker, CO 80138
Phone (303) 840-1135
10001 Washington St
Thornton, CO 80229
Phone (303) 252-0083
41 State Highway 67
Woodland Park, CO 80863
Phone (719) 686-0551
919 E 32nd St
Austin, TX 78705
Phone (512) 343-2466
Interoperability endpoints
- karen.berg.p1@direct.inlandeyespecialists.nextgenshare.com
Organizations & group practices 12
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 Complete Care Anesthesia
- Anesthesiology Physician
- Sedalia, CO
- NPI 1467833897
-
dba Central Colorado Anesthesia Associates, LLC
- Certified Registered Nurse Anesthetist
- Littleton, CO
- NPI 1598115479
Nurse Anesthetist, Certified Registered
-
dba Ctsa Cardiac Thor Surg
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Colorado Springs, CO
- NPI 1356783351
-
- Anesthesiology Physician
- Fort Collins, CO
- NPI 1851389613
-
- Anesthesiology Physician
- Bradenton, FL
- NPI 1073001012
CO, Nurse Anesthetist, Certified Registered
-
- Anesthesiology Physician
- Austin, TX
- NPI 1598724304
Nurse Anesthetist, Certified Registered
-
dba PRBT PC Berthoud
- Family Medicine Physician
- Berthoud, CO
- NPI 1144831025
-
dba CommonSpirit Orthopedics Longmont
- Orthopaedic Surgery Physician
- Longmont, CO
- NPI 1891675294
-
- Anesthesiology Physician
- Bryan, TX
- NPI 1528326154
-
- Anesthesiology Physician
- Lakewood, CO
- NPI 1164460598
-
- Pediatric Anesthesiology Physician
- Colorado Springs, CO
- NPI 1124687926
-
- Anesthesiology Physician
- Englewood, CO
- NPI 1780648741
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Longmont, CO
- NPI 1366465866
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1168214400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753056000000",
"number": "1740338391",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1236 E ELIZABETH ST STE 1",
"city": "FORT COLLINS",
"state": "CO",
"postal_code": "805244000",
"telephone_number": "970-224-2985",
"fax_number": "970-472-9381"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1236 E ELIZABETH ST STE 1",
"city": "FORT COLLINS",
"state": "CO",
"postal_code": "805244000",
"telephone_number": "970-224-2985",
"fax_number": "970-472-9381"
}
],
"practiceLocations": [
{
"address_1": "1950 Mountain View Ave",
"address_purpose": "LOCATION",
"city": "Longmont",
"state": "CO",
"postal_code": "805013129",
"country_code": "US",
"telephone_number": "303-651-5300",
"fax_number": "303-651-5305",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BERG",
"first_name": "KAREN",
"middle_name": "J",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2007-01-08",
"last_updated": "2025-07-21",
"certification_date": "2025-07-21",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "TX",
"license": "735573",
"primary": false
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "CO",
"license": "125767",
"primary": false
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "CO",
"license": "APN.0992725-CRNA",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1933772-01",
"state": "TX"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Fort Collins, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 2025; 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.