Doctor profile · Federal record

Dr. John Sparks, DC

Chiropractor (CMS: Chiropractic) · Norman, OK

  • NPI 1891763454
  • 29 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2103 W Main
Norman, OK 73069
(405) 447-9700
fax (405) 447-9712

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Oklahoma #3437

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891763454. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,879
Distinct HCPCS
2
Medicare allowed
$58,641
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 1,115 57 $36
98940 Chiropractic manipulative treatment, 1-2 spinal regions 764 48 $25

In context: peer comparison

Among 11 peers in Norman Chiropractor, average services per provider: 660. This provider delivers 2.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Sparks's medical specialty?
Dr. John Sparks practices Chiropractor in Norman, OK.
Where does Dr. John Sparks practice?
Dr. John Sparks practices at 2103 W Main, Norman, OK 73069. Office phone: 4054479700.
What is Dr. John Sparks's NPI?
Dr. John Sparks's National Provider Identifier (NPI) is 1891763454, issued by NPPES.
Does Dr. John Sparks accept Medicare assignment?
Dr. John Sparks does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. John Sparks commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.