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DR. GERALD E ISAKSON DC
NPI 1629019435
Chiropractor in Sioux Center, IA

Active since June 10, 2006Accepts Medicare Assignment
1149 FIRST AVE SE, SIOUX CENTER, IA 51250(712) 722-0071 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Gerald E Isakson Dc NPPES

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

DR. GERALD E ISAKSON DC (NPI 1629019435) is an individual chiropractor in Sioux Center, Iowa, licensed in Iowa (04619) and active in the NPI registry since June 2006. He is a graduate of Other (1977).

NPPES Registry Identity

NPI1629019435
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. GERALD E ISAKSONCredential: DC
Location Address1149 FIRST AVE SESioux Center, IA 51250-1201
Mailing Address1149 First Ave SeSioux Center, IA 51250-1201 · (712) 722-0071
Phone(712) 722-0071
Sole ProprietorNo
Medical School CMSOtherGraduated 1977
Enumeration DateJune 10, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1629019435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in IA · 04619
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.
1149 FIRST AVE SE, Sioux Center, IA 51250
Open in Google Maps ↗

Other Identifiers 1

Medicaid0147413IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Sanford Health Plan.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. Gerald E Isakson 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 ID9931164571
PECOS Enrollment IDI20041123000745

Medicare Billing Reassignment

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

Isakson Chiropractic Health Center P.C.
Same address
Chiropractor
1149 FIRST AVENUE SE
Sioux Center, IA 51250
  • Reassigned Medicare billing, Iowa enrollment
  • Medicare enrollment name: Isakson Chiropractic Health Center PC
  • 2 clinicians in this Medicare group
NPI 1871838482 (712) 722-0071

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.

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.
211 services55 patients
Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
114 services39 patients

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 Gerald Isakson's NPI number?

The NPI number for Gerald Isakson is 1629019435. It was assigned to this individual provider in the NPPES registry on June 10, 2006.

Where is Gerald Isakson located?

Gerald Isakson practices at 1149 First Ave SE, Sioux Center, IA 51250. The listed phone number is (712) 722-0071.

What is Gerald Isakson's specialty?

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

Is Gerald Isakson enrolled in Medicare?

Yes. Gerald Isakson 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 Gerald Isakson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gerald Isakson reassigns Medicare benefits to Isakson Chiropractic Health Center P.C. (Sioux Center, 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 Gerald Isakson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gerald Isakson accept?

Health plans from Avera Health Plans and Sanford Health Plan list Gerald Isakson 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 Gerald Isakson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.