MR. J ROSS THOMAS (CRNA) – Certified Registered Nurse Anesthetist, NPI 1003834748
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 MR. J ROSS THOMAS (CRNA)
1 Barnes Jewish Hospital Plz
Saint Louis, MO 631101003
Phone: (314) 362-6973
Fax: (314) 362-1185
Type: Location
7 INDEPENDENCE PT STE 300
GREENVILLE, SC 296154569
Phone: (864) 522-3700
Fax: (864) 522-3705
Type: Location
660, South Euclid Avenue, Central West End, City of Saint Louis, Missouri, 63110, United States
C B 8054
SAINT LOUIS, MO 631101010
Phone: (314) 362-6973
Fax: (314) 362-1185
Type: Mailing
Barnes-Jewish Hospital, 1, Barnes Jewish Hospital Plaza, Central West End, St. Louis, Missouri, 63110, United States
SAINT LOUIS, MO 631101003
Phone: (314) 362-6973
Fax: (314) 362-1185
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $20.
Total Amount is formed as General ($20) + Research ($0) + Ownership ($0) = $20.
Last reported payment date: 2023-08-01 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($20).
Total Amount
$20
General + Research + Ownership
Payments
1
Total payment records
General Amount
$20
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $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: 2019-01-23
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 |
|---|---|---|---|---|
| I20190123001955 | I | Certified Registered Nurse Anesthetist (Crna) | SC | 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 |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 45 | 45 | $0 |
| 01402 | Anesthesia for procedure for total knee joint replacement | 26 | 26 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 22 | 22 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 19 | 19 | $0 |
| 00910 | Anesthesia for other procedure on urinary system through urethra | 14 | 13 | $0 |
Insurance plans in this area (ZIP 63110)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | NC | |
| Certified Registered Nurse Anesthetist (Crna) | ME | |
| Certified Registered Nurse Anesthetist (Crna) | NY | |
| Certified Registered Nurse Anesthetist (Crna) | NC | |
| - | SC | |
| Anesthesiology Assistant | GA | |
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| - | SC | |
| A N E S T H E S I O L O G Y | MD | |
| Certified Registered Nurse Anesthetist (Crna) | NC |
Reviews
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