Doctor profile · Federal record

Dr. Gerald Isakson, DC

Chiropractor (CMS: Chiropractic) · Sioux Center, IA

  • NPI 1629019435
  • Accepts Medicare
  • 49 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1149 First Ave Se
Sioux Center, IA 512501201
(712) 722-0071

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Iowa #04619
Medicaid
IA #0147413

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629019435. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
342
Distinct HCPCS
2
Medicare allowed
$11,619
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 229 52 $38
98940 Chiropractic manipulative treatment, 1-2 spinal regions 113 43 $26

In context: peer comparison

Among 2 peers in Sioux Center Chiropractor, average services per provider: 145. This provider delivers 2.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gerald Isakson's medical specialty?
Dr. Gerald Isakson practices Chiropractor in Sioux Center, IA.
Where does Dr. Gerald Isakson practice?
Dr. Gerald Isakson practices at 1149 First Ave Se, Sioux Center, IA 512501201. Office phone: 7127220071.
What is Dr. Gerald Isakson's NPI?
Dr. Gerald Isakson's National Provider Identifier (NPI) is 1629019435, issued by NPPES.
Does Dr. Gerald Isakson accept Medicare assignment?
Yes. Dr. Gerald Isakson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gerald Isakson commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.