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DR. CORY DAVID REZAC DC
NPI 1689639551
Chiropractor in Armstrong, IA

Active since April 20, 2006Accepts Medicare Assignment
606 2ND AVE, ARMSTRONG, IA 50514(712) 868-4404(712) 864-3646 Get Directions Write a Review

NPPES record last updated: November 5, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Cory David Rezac Dc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CORY DAVID REZAC DC (NPI 1689639551) is an individual chiropractor in Armstrong, Iowa, licensed in Iowa (06502) and active in the NPI registry since April 2006. He is a graduate of Northwestern College Of Chiropractic (2001).

NPPES Registry Identity

NPI1689639551
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. CORY DAVID REZACCredential: DC
Location Address606 2ND AVEArmstrong, IA 50514-7420
Mailing Address606 2nd AveArmstrong, IA 50514-7420 · (712) 868-4404 · Fax (712) 864-3646
Phone(712) 868-4404
Fax(712) 864-3646
Sole ProprietorYes
Medical School CMSNorthwestern College Of ChiropracticGraduated 2001
Enumeration DateApril 20, 2006
Last NPPES UpdateNovember 5, 2007
✔ NPI 1689639551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IA · 06502
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
606 2ND AVE, Armstrong, IA 50514
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type UnspecifiedI6013IA
Medicaid0262675IA

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. Cory David Rezac 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.

PECOS PAC ID1951454354
PECOS Enrollment IDI20090803000370

Medicare Billing Reassignment

Medicare enrollment records show Cory Rezac reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthsource Of Armstrong, PC
Same address
Chiropractor
606 2ND AVE
Armstrong, IA 50514
  • Reassigned Medicare billing, Iowa enrollment
NPI 1881828077 (712) 868-4404

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.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
366 services15 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEALTHSOURCE OF ARMSTRONG, PC
Chiropractor
606 2ND AVE
ARMSTRONG, IA 50514
Emmet County (712) 868-4404

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 Cory Rezac's NPI number?

The NPI number for Cory Rezac is 1689639551. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is Cory Rezac located?

Cory Rezac practices at 606 2nd Ave, Armstrong, IA 50514. The listed phone number is (712) 868-4404.

What is Cory Rezac's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Cory Rezac enrolled in Medicare?

Yes. Cory Rezac 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 Cory Rezac's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cory Rezac reassigns Medicare benefits to Healthsource Of Armstrong, PC (Armstrong, 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 Cory Rezac'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 Cory Rezac was last updated on November 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.