TIMOTHY J GUERNSEY – Certified Registered Nurse Anesthetist, NPI 1063052918
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,775 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in MO
Provider Addresses for TIMOTHY J GUERNSEY
400 S WOODS MILL RD STE 140
CHESTERFIELD, MO 630173427
Phone: (314) 485-1101
Fax: (314) 485-1104
Type: Mailing
12303 DE PAUL DR
BRIDGETON, MO 630442512
Phone: (314) 344-6000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $103.
Total Amount is formed as General ($103) + Research ($0) + Ownership ($0) = $103.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($79).
Total Amount
$103
General + Research + Ownership
Payments
5
Total payment records
General Amount
$103
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $79 |
| Medtronic, Inc. | $24 |
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: 2025-11-10
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 |
|---|---|---|---|---|
| I20200214001915 | I | Certified Registered Nurse Anesthetist (Crna) | MO | TBD |
| I20251110000797 | I | Certified Registered Nurse Anesthetist (Crna) | IL | 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 |
|---|---|---|---|---|
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 33 | 33 | $0 |
| 01926 | Anesthesia for x-ray on artery of brain, heart, or chest | 16 | 16 | $0 |
| 00537 | Anesthesia for procedure to assess heart electrical activity | 12 | 12 | $0 |
| 01922 | Anesthesia for x-ray or radiation therapy | 12 | 12 | $0 |
Insurance plans in this area (ZIP 63017)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MO | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| Certified Registered Nurse Anesthetist (Crna) | MO | |
| - | MO | |
| A N E S T H E S I O L O G Y | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO | |
| A N E S T H E S I O L O G Y | MO |
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