GREGORY L MERRITT (CRNA) – Certified Registered Nurse Anesthetist, NPI 1144521162
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,752 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in TN
Provider Addresses for GREGORY L MERRITT (CRNA)
501 20TH ST STE 606
KNOXVILLE, TN 379161863
Phone: (865) 546-8040
Type: Mailing
10820 Parkside Dr
Knoxville, TN 379341956
Phone: (865) 218-7011
Type: Location
140 Capital Dr
Knoxville, TN 379223572
Phone: (865) 251-0338
Type: Location
900 E Oak Hill Ave
Knoxville, TN 379174505
Phone: (865) 545-8000
Type: Location
7565 Dannaher Dr
Powell, TN 378494029
Phone: (865) 859-8000
Type: Location
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 $142.
Total Amount is formed as General ($142) + Research ($0) + Ownership ($0) = $142.
Last reported payment date: 2023-04-26 • Largest payer in this snapshot: EAGLE PHARMACEUTICALS, INC. ($122).
Total Amount
$142
General + Research + Ownership
Payments
2
Total payment records
General Amount
$142
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| EAGLE PHARMACEUTICALS, INC. | $122 |
| Pacira Pharmaceuticals Incorporated | $20 |
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: 2025-08-15
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 |
|---|---|---|---|---|
| I20130522000346 | I | Certified Registered Nurse Anesthetist (Crna) | TN | TBD |
| I20250815000635 | I | Certified Registered Nurse Anesthetist (Crna) | KY | 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 |
|---|---|---|---|---|
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 28 | 28 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 13 | 13 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 11 | 11 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 11 | 11 | $0 |
| 01810 | Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 11 | 11 | $0 |
Insurance plans in this area (ZIP 37916)
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