Doctor profile · Federal record

Dr. John Smithson, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Grove, OK

  • NPI 1669465811
  • Accepts Medicare
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1120 Neo Loop
Grove, OK 743446046
(918) 786-9568
fax (918) 293-3116

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
November 7, 2012
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Oklahoma #11399
Medicaid
OK #100088280A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669465811. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
537
Distinct HCPCS
8
Medicare allowed
$18,510
HCPCS Description Services Patients Avg 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 $31
95870 Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study 106 54 $19
95938 Placement of skin electrodes and measurement of stimulated sites on arms and legs 67 66 $43
95861 Needle measurement of electrical activity in arm or leg muscles, 2 extremities 23 23 $77
95939 Placement of skin electrodes and measurement of central motor stimulation in arms and legs 16 16 $112
95927 Placement of skin electrodes and measurement of stimulated sites in trunk or head 15 15 $26
95868 Needle measurement of electrical activity in muscles on both sides of body 14 14 $59
95869 Needle measurement of electrical activity in middle spine muscles 13 13 $19

In context: peer comparison

Among 1 peers in Grove Neurological Surgery Physician, average services per provider: 67. This provider delivers 8.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Smithson's medical specialty?
Dr. John Smithson practices Neurological Surgery Physician in Grove, OK.
Where does Dr. John Smithson practice?
Dr. John Smithson practices at 1120 Neo Loop, Grove, OK 743446046. Office phone: 9187869568.
What is Dr. John Smithson's NPI?
Dr. John Smithson's National Provider Identifier (NPI) is 1669465811, issued by NPPES.
Does Dr. John Smithson accept Medicare assignment?
Yes. Dr. John Smithson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Smithson commonly perform?
Top Medicare-reported procedures in 2023: 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) (HCPCS G0453); Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study (HCPCS 95870); Placement of skin electrodes and measurement of stimulated sites on arms and legs (HCPCS 95938). Source: CMS Medicare Physician & Other Practitioners file.