KAREN J BERG (CRNA) – Certified Registered Nurse Anesthetist, NPI 1740338391
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
803 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in CO
Provider Addresses for KAREN J BERG (CRNA)
1950 Mountain View Ave
Longmont, CO 805013129
Phone: (303) 651-5300
Fax: (303) 651-5305
Type: Location
East Elizabeth Street, Fort Collins, Larimer County, Colorado, 80524-3817, United States
FORT COLLINS, CO 805244000
Phone: (970) 224-2985
Fax: (970) 472-9381
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 35 Open Payments records for all available years, with a total value of $674.
Total Amount is formed as General ($674) + Research ($0) + Ownership ($0) = $674.
Last reported payment date: 2024-09-24 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($464).
Total Amount
$674
General + Research + Ownership
Payments
35
Total payment records
General Amount
$674
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-24
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-12-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080212000462 | I | Certified Registered Nurse Anesthetist (Crna) | TX | TBD |
| I20161207000413 | I | Certified Registered Nurse Anesthetist (Crna) | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 80 | 70 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 36 | 36 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 24 | 23 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 19 | 19 | $0 |
Insurance plans in this area (ZIP 80501)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CERTIFIED REGISTERED NURSE ANESTHET | CO | 00142 | Anesthesia for lens surgery | 14 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | AP | |
| A N E S T H E S I O L O G Y | TX | |
| Pediatric Medicine, Anesthesiology | CO | |
| - | CO | |
| A N E S T H E S I O L O G Y | CO | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| A N E S T H E S I O L O G Y | CO | |
| A N E S T H E S I O L O G Y | CO | |
| A N E S T H E S I O L O G Y | CO |
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