KAREN J BERG CRNA
NPI 1740338391
Nurse Anesthetist, Certified Registered in Fort Collins, CO
About Karen J Berg Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN J BERG CRNA (NPI 1740338391) is an individual nurse anesthetist, certified registered in Fort Collins, Colorado, licensed in Colorado (APN.0992725-CRNA) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Longmont, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karen J Berg Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Karen Berg reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Collins, CO 80525
- Reassigned Medicare billing, Colorado enrollment
- 250 clinicians in this Medicare group
Littleton, CO 80120
- Reassigned Medicare billing, Colorado enrollment
- 84 clinicians in this Medicare group
Sedalia, CO 80135
- Reassigned Medicare billing, Colorado enrollment
- 79 clinicians in this Medicare group
Austin, TX 78759
- Reassigned Medicare billing, Texas enrollment
- 840 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Colorado enrollment
- 87 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80524 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT COLLINS, CO 80524
FORT COLLINS, CO 80524
FORT COLLINS, CO 80524
FORT COLLINS, CO 80524
FORT COLLINS, CO 80524
FORT COLLINS, CO 80524
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Berg's NPI number?
The NPI number for Karen Berg is 1740338391. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is Karen Berg located?
Karen Berg practices at 1236 E Elizabeth St Ste 1, Fort Collins, CO 80524. The listed phone number is (970) 224-2985.
What is Karen Berg's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karen Berg enrolled in Medicare?
Yes. Karen Berg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Karen Berg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Berg reassigns Medicare benefits to 5 organizations: Northern Colorado Anesthesia Professionals PLLC (Fort Collins, CO), Arapahoe Gastroenterology Anesthesia Associates LLC (Littleton, CO), Diehl Anesthesia Inc (Sedalia, CO), Austin Anesthesiology Group, PLLC (Austin, TX) and Anesthesia Dynamics LLC (Bradenton, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Berg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Berg accept?
Health plans from Oscar Health and Oscar Insurance Company list Karen Berg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Karen Berg was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Karen J Berg, CRNA · NPI 1740338391
Nurse Anesthetist, Certified Registered physician in Fort Collins, Colorado. Individual provider, active in the CMS NPPES registry since January 8, 2007.
## Identity
- **NPI:** 1740338391 (Entity type: Individual)
- **Enumerated:** January 8, 2007
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** APN.0992725-CRNA (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1236 E ELIZABETH ST STE 1, Fort Collins, CO 80524-4000
- **Phone:** (970) 224-2985 · **Fax:** (970) 472-9381
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Northern Colorado Anesthesia Professionals PLLC (NPI 1851389613, Fort Collins, CO); Arapahoe Gastroenterology Anesthesia Associates LLC (NPI 1598115479, Littleton, CO); Diehl Anesthesia Inc (NPI 1467833897, Sedalia, CO); Austin Anesthesiology Group, PLLC (NPI 1598724304, Austin, TX); Anesthesia Dynamics LLC (NPI 1073001012, Bradenton, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** July 21, 2025
- **Other identifiers:** Medicaid 1933772-01 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1740338391) · Data from the CMS NPPES public registry.