THOMAS MERRILL (M.D.) – Internal Medicine Physician, NPI 1760474605
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,474 INTERNAL MEDICINE in OK
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Provider Addresses for THOMAS MERRILL (M.D.)
950, North Porter Avenue, Norman, Cleveland County, Oklahoma, 73071, United States
SUITE 300
NORMAN, OK 730716400
Phone: (405) 321-0121
Fax: (405) 292-6099
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $327.
Total Amount is formed as General ($327) + Research ($0) + Ownership ($0) = $327.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: PFIZER INC. ($73).
Total Amount
$327
General + Research + Ownership
Payments
15
Total payment records
General Amount
$327
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $73 |
| GlaxoSmithKline, LLC. | $70 |
| Astellas Pharma US Inc | $49 |
| Vanda Pharmaceuticals Inc. | $38 |
| Xeris Pharmaceuticals, Inc. | $23 |
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: 2010-08-23
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 |
|---|---|---|---|---|
| I20100823000095 | I | Internal Medicine | OK | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 808 | 446 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 455 | 177 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 336 | 336 | $0 |
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 228 | 126 | $0 |
| 99306 | Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 181 | 161 | $0 |
Insurance plans in this area (ZIP 73071)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | OK | 20610 | Aspiration and/or injection of large joint or joint capsule | 15 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Pediatric Medicine | OK | |
| - | OK | |
| Physician Assistant | OK | |
| - | OK | |
| Internal Medicine | OK | |
| U R O L O G Y | OK | |
| - | OK | |
| U R O L O G Y | OK | |
| - | OK | |
| Family Practice | OK |
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