DR. DEAN POSS
NPI 1841266970
Chiropractor in Sioux City, IA
About Dr. Dean Poss NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEAN POSS (NPI 1841266970) is an individual chiropractor in Sioux City, Iowa, licensed in Iowa (04783) and active in the NPI registry since February 2006. He is a graduate of Palmer College Chiropractic - Davenport (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Dean Poss 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 Dean Poss reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sioux City, IA 51106
- Reassigned Medicare billing, Iowa enrollment
- 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.
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.
Other Providers at the Same Location NPPES 3
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 Dean Poss's NPI number?
The NPI number for Dean Poss is 1841266970. It was assigned to this individual provider in the NPPES registry on February 28, 2006.
Where is Dean Poss located?
Dean Poss practices at 3403 Singing Hills Blvd, Sioux City, IA 51106. The listed phone number is (712) 255-9909.
What is Dean Poss's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Dean Poss enrolled in Medicare?
Yes. Dean Poss 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 Dean Poss's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dean Poss reassigns Medicare benefits to Heartland Chiropractic Associates LLP (Sioux City, 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 Dean Poss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dean Poss accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and HealthPartners and 2 other insurers list Dean Poss 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 Dean Poss was last updated on December 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Dean Poss · NPI 1841266970
Chiropractor provider in Sioux City, Iowa. Individual provider, active in the CMS NPPES registry since February 28, 2006.
## Identity
- **NPI:** 1841266970 (Entity type: Individual)
- **Enumerated:** February 28, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 04783 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 3403 SINGING HILLS BLVD, Sioux City, IA 51106-5109
- **Phone:** (712) 255-9909 · **Fax:** (712) 255-9919
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Heartland Chiropractic Associates LLP (NPI 1437125788, Sioux City, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 1981
## Record status
- **NPPES last updated:** December 28, 2011
- **Other identifiers:** Medicare ID-Type Unspecified 59718 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1841266970) · Data from the CMS NPPES public registry.