JOHN R JR. SMITHSON (MD) – Neurological Surgery Physician, NPI 1669465811
Neurological Surgery Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
89 NEUROSURGERY in OK
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Provider Addresses for JOHN R JR. SMITHSON (MD)
Grove, Trilofos, Δήμος Θέρμης, Thessaloniki Regional Unit, Central Macedonia, Macedonia and Thrace, 57500, Greece
GROVE, OK 743446046
Phone: (918) 786-9568
Fax: (918) 293-3116
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)
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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: 2020-12-02
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 |
|---|---|---|---|---|
| I20050822001045 | I | Neurosurgery | OK | TBD |
| I20201202002531 | I | Neurosurgery | 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 |
|---|---|---|---|---|
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | 283 | 75 | $0 |
| 95870 | Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study | 106 | 54 | $0 |
| 95938 | Placement of skin electrodes and measurement of stimulated sites on arms and legs | 67 | 66 | $0 |
| 95861 | Needle measurement of electrical activity in arm or leg muscles, 2 extremities | 23 | 23 | $0 |
| 95939 | Placement of skin electrodes and measurement of central motor stimulation in arms and legs | 16 | 16 | $0 |
Insurance plans in this area (ZIP 74344)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | GA | |
| N E U R O L O G Y | GA | |
| Osteopathic Manipulative Medicine, Anesthesiology, Neurology, Anesthesiology | TX | |
| N E U R O L O G Y | CA | |
| - | TX | |
| A N E S T H E S I O L O G Y | UT |
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