JOHN R SMITHSON JR. MD
NPI 1669465811
Neurological Surgery in Grove, OK
About John R Smithson Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN R SMITHSON JR. MD (NPI 1669465811) is an individual neurological surgery provider in Grove, Oklahoma, licensed in Oklahoma (11399) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (1976).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John R Smithson Jr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Smithson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74114
- Reassigned Medicare billing, Texas enrollment
- 3 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 820 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hillcrest Medical Center
Acute Care Hospitals · Tulsa, OKAscension St John Jane Phillips
Acute Care Hospitals · Bartlesville, OKAscension St John Medical Center
Acute Care Hospitals · Tulsa, OKAscension St John Broken Arrow
Acute Care Hospitals · Broken Arrow, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74344 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Smithson's NPI number?
The NPI number for John Smithson is 1669465811. It was assigned to this individual provider in the NPPES registry on August 23, 2005.
Where is John Smithson located?
John Smithson practices at 1120 Neo Loop, Grove, OK 74344. The listed phone number is (918) 786-9568.
What is John Smithson's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is John Smithson enrolled in Medicare?
Yes. John Smithson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Smithson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Smithson reassigns Medicare benefits to 2 organizations: Advanced Neuro Solutions (Tulsa, OK) and St. John Physicians, Inc. (Tulsa, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Smithson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Smithson affiliated with any hospitals?
According to CMS data, John Smithson is affiliated with Hillcrest Medical Center, Ascension St John Jane Phillips, Ascension St John Medical Center and Ascension St John Broken Arrow.
When was this NPI record last updated?
The NPPES record for John Smithson was last updated on November 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John R Smithson Jr., MD · NPI 1669465811
Neurological Surgery physician in Grove, Oklahoma. Individual provider, active in the CMS NPPES registry since August 23, 2005.
## Identity
- **NPI:** 1669465811 (Entity type: Individual)
- **Enumerated:** August 23, 2005
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** 11399 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1120 NEO LOOP, Grove, OK 74344-6046
- **Phone:** (918) 786-9568 · **Fax:** (918) 293-3116
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Advanced Neuro Solutions (NPI 1801152426, Tulsa, OK); St. John Physicians, Inc. (NPI 1336194406, Tulsa, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 1976
## Record status
- **NPPES last updated:** November 7, 2012
- **Other identifiers:** Medicare UPIN D42842 (OK); Medicare PIN 248719110 (OK); Medicaid 100088280A (OK)
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Source: [NPI Profile](https://npiprofile.com/npi/1669465811) · Data from the CMS NPPES public registry.