DR. WILLIAM AMBROSE CHRISTIANSON D.C.
NPI 1215021746
Chiropractor in Cedar Rapids, IA
About Dr. William Ambrose Christianson D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM AMBROSE CHRISTIANSON D.C. (NPI 1215021746) is an individual chiropractor in Cedar Rapids, Iowa, licensed in Iowa (A05830) and active in the NPI registry since October 2006. He is a graduate of Palmer College Chiropractic - Davenport (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. William Ambrose Christianson 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 Reassignment
Medicare enrollment records show William Christianson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cedar Rapids, IA 52402
- Reassigned Medicare billing, Iowa enrollment
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 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 William Christianson's NPI number?
The NPI number for William Christianson is 1215021746. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is William Christianson located?
William Christianson practices at 1756 1st Ave NE, Cedar Rapids, IA 52402. The listed phone number is (319) 399-1285.
What is William Christianson's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is William Christianson enrolled in Medicare?
Yes. William Christianson 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 William Christianson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Christianson reassigns Medicare benefits to William A Christianson Dc PC (Cedar Rapids, IA). 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 William Christianson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Christianson accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and HealthPartners and 2 other insurers list William Christianson 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 William Christianson was last updated on June 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. William Ambrose Christianson, D.C. · NPI 1215021746
Chiropractor provider in Cedar Rapids, Iowa. Individual provider, active in the CMS NPPES registry since October 2, 2006.
## Identity
- **NPI:** 1215021746 (Entity type: Individual)
- **Enumerated:** October 2, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** A05830 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1756 1ST AVE NE, Cedar Rapids, IA 52402
- **Phone:** (319) 399-1285 · **Fax:** (319) 399-1285
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** William A Christianson Dc PC (NPI 1720378854, Cedar Rapids, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 1994
## Record status
- **NPPES last updated:** June 22, 2016
- **Other identifiers:** Medicare UPIN 50154 (IA); Medicare ID-Type Unspecified 50154 (IA); Medicaid 0226324 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1215021746) · Data from the CMS NPPES public registry.