DR. ROBERT MICHAEL II ONION (MD) – Anesthesiology Physician, NPI 1740778026
Anesthesiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
4,591 ANESTHESIOLOGY in TX
Provider Addresses for DR. ROBERT MICHAEL II ONION (MD)
4515 MARSHA SHARP FWY
LUBBOCK, TX 794072520
Phone: (806) 744-7223
Fax: (806) 740-3325
Type: Mailing
7509 MARSHA SHARP FWY
LUBBOCK, TX 794078202
Phone: (806) 744-7223
Fax: (806) 740-3325
Type: Location
100 Jackson Pike
Gallipolis, OH 456311560
Phone: (740) 446-5937
Fax: (740) 441-8058
Type: Location
University of Mississippi Medical Center, 2500, North State Street, Woodland Hills, Jackson, Hinds County, Mississippi, 39216, United States
JACKSON, MS 392164500
Phone: (601) 984-5914
Fax: (601) 958-5915
Type: Mailing
100 JACKSON PIKE
GALLIPOLIS, OH 456311560
Phone: (855) 446-5937
Fax: (740) 446-5982
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 $49.
Total Amount is formed as General ($49) + Research ($0) + Ownership ($0) = $49.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Smith+Nephew, Inc. ($35).
Total Amount
$49
General + Research + Ownership
Payments
2
Total payment records
General Amount
$49
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Smith+Nephew, Inc. | $35 |
| Merck Sharp & Dohme LLC | $15 |
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: 2024-08-08
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 |
|---|---|---|---|---|
| I20240808002056 | I | Anesthesiology | TX | 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 | 50 | 50 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 38 | 38 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 32 | 31 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 30 | 30 | $0 |
| 64415 | Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 22 | 22 | $0 |
Insurance plans in this area (ZIP 79407)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| - | FL | |
| A N E S T H E S I O L O G Y | TX | |
| Certified Registered Nurse Anesthetist (Crna) | KS | |
| - | TX | |
| - | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | TX |
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