DR. ADRIAN BARKER DC
NPI 1083244180
Chiropractor in Stillwater, OK
About Dr. Adrian Barker Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADRIAN BARKER DC (NPI 1083244180) is an individual chiropractor in Stillwater, Oklahoma, licensed in Oklahoma (4344) and active in the NPI registry since January 2020. He is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Dr. Adrian Barker Dc 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 Reassignment
Medicare enrollment records show Adrian Barker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsburg, KS 66762
- Reassigned Medicare billing, Kansas enrollment
- 7 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 Adrian Barker's NPI number?
The NPI number for Adrian Barker is 1083244180. It was assigned to this individual provider in the NPPES registry on January 17, 2020.
Where is Adrian Barker located?
Adrian Barker practices at 4721 W 6th Ave Ste 120, Stillwater, OK 74074. The listed phone number is (405) 747-6182.
What is Adrian Barker's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Adrian Barker enrolled in Medicare?
Yes. Adrian Barker 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 organization bills Medicare for Adrian Barker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adrian Barker reassigns Medicare benefits to Riggs Chiropractic LLC (Pittsburg, KS). The 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 Adrian Barker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adrian Barker accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc. and UnitedHealthcare list Adrian Barker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Adrian Barker was last updated on January 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Adrian Barker, DC · NPI 1083244180
Chiropractor provider in Stillwater, Oklahoma. Individual provider, active in the CMS NPPES registry since January 17, 2020.
## Identity
- **NPI:** 1083244180 (Entity type: Individual)
- **Enumerated:** January 17, 2020
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 4344 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4721 W 6TH AVE STE 120, Stillwater, OK 74074-1549
- **Phone:** (405) 747-6182
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Riggs Chiropractic LLC (NPI 1316317456, Pittsburg, KS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** January 17, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1083244180) · Data from the CMS NPPES public registry.