DR. JOHN CALAHAN MAYNARD D.C.
NPI 1841636693
Chiropractor in Claremore, OK
About Dr. John Calahan Maynard D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CALAHAN MAYNARD D.C. (NPI 1841636693) is an individual chiropractor in Claremore, Oklahoma, licensed in Oklahoma (4115) and active in the NPI registry since May 2013. He is a graduate of Other (2013).
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. John Calahan Maynard D.c. 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 Maynard reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Claremore, OK 74017
- Reassigned Medicare billing, Oklahoma enrollment
Tulsa, OK 74133
- Reassigned Medicare billing, Oklahoma enrollment
- 3 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 2
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.
Other Providers at the Same Location NPPES
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 Maynard's NPI number?
The NPI number for John Maynard is 1841636693. It was assigned to this individual provider in the NPPES registry on May 21, 2013.
Where is John Maynard located?
John Maynard practices at 201 S Owalla Ave, Claremore, OK 74017. The listed phone number is (918) 231-4464.
What is John Maynard's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is John Maynard enrolled in Medicare?
Yes. John Maynard 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 Maynard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Maynard reassigns Medicare benefits to 2 organizations: J Calahan Maynard Dc PLLC (Claremore, OK) and Maynard Family Chiropractic (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 Maynard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Maynard accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Medica list John Maynard 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 John Maynard was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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. John Calahan Maynard, D.C. · NPI 1841636693
Chiropractor provider in Claremore, Oklahoma. Individual provider, active in the CMS NPPES registry since May 21, 2013.
## Identity
- **NPI:** 1841636693 (Entity type: Individual)
- **Enumerated:** May 21, 2013
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 4115 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 201 S OWALLA AVE, Claremore, OK 74017-5413
- **Phone:** (918) 231-4464
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): J Calahan Maynard Dc PLLC (NPI 1093698599, Claremore, OK); Maynard Family Chiropractic (NPI 1053678508, Tulsa, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** July 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1841636693) · Data from the CMS NPPES public registry.