DR. JAMES ISAIAH MASON DC
NPI 1831044353
Chiropractor in Bismarck, ND
About Dr. James Isaiah Mason Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES ISAIAH MASON DC (NPI 1831044353) is an individual chiropractor in Bismarck, North Dakota, licensed in North Dakota (1242) and active in the NPI registry since March 2026. He is a graduate of Palmer College Chiropractic - Davenport (2026).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Isaiah Mason Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bismarck, ND 58503
- Reassigned Medicare billing, North Dakota enrollment
- Medicare enrollment name: Lundby Upper Cervical Chiropractic PC
- 2 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.
Other Providers at the Same Location NPPES 2
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 James Mason's NPI number?
The NPI number for James Mason is 1831044353. It was assigned to this individual provider in the NPPES registry on March 2, 2026.
Where is James Mason located?
James Mason practices at 1830 E Century Ave Ste 8, Bismarck, ND 58503. The listed phone number is (701) 751-4848.
What is James Mason's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is James Mason enrolled in Medicare?
Yes. James Mason is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Mason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Mason reassigns Medicare benefits to Lundby Upper Cervical Chiropractic, P.C. (Bismarck, ND). 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 James Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for James Mason was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. James Isaiah Mason, DC · NPI 1831044353
Chiropractor provider in Bismarck, North Dakota. Individual provider, active in the CMS NPPES registry since March 2, 2026.
## Identity
- **NPI:** 1831044353 (Entity type: Individual)
- **Enumerated:** March 2, 2026
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 1242 (North Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1830 E CENTURY AVE STE 8, Bismarck, ND 58503-0639
- **Phone:** (701) 751-4848
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Lundby Upper Cervical Chiropractic, P.C. (NPI 1427394527, Bismarck, ND), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 2026
## Record status
- **NPPES last updated:** March 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831044353) · Data from the CMS NPPES public registry.