STEVEN KALLSEN (CRNA) – Certified Registered Nurse Anesthetist, NPI 1982658449
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
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Provider Addresses for STEVEN KALLSEN (CRNA)
654 FOX ST
DENVER, CO 802044552
Phone: (303) 957-7927
Type: Mailing
Aurora Endoscopy Center, 14272, East Evans Avenue, Aurora, Arapahoe County, Colorado, 80014, United States
AURORA, CO 800141432
Phone: (303) 745-5510
Type: Location
South Wadsworth Boulevard, Lakewood, Jefferson County, Colorado, 80226-2975, United States
D-#100
LAKEWOOD, CO 802275122
Phone: (303) 205-1090
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $58.
Total Amount is formed as General ($58) + Research ($0) + Ownership ($0) = $58.
Last reported payment date: 2023-05-25 • Largest payer in this snapshot: Boston Scientific Corporation ($58).
Total Amount
$58
General + Research + Ownership
Payments
2
Total payment records
General Amount
$58
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $58 |
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: 2007-10-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20071004000824 | 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 |
|---|---|---|---|---|
| 01938 | Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance | 15 | 15 | $0 |
| 01940 | Anesthesia for nerve destruction procedures on spine or spinal cord of lower back accessed through skin using imaging guidance | 13 | 11 | $0 |
| 00630 | Anesthesia for other procedure on lower spine | 12 | 12 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 12 | 12 | $0 |
Insurance plans in this area (ZIP 80204)
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