Doctor profile · Federal record

Dr. Douglas Frey, D.C.

Chiropractor (CMS: Chiropractic) · Cascade, IA

  • NPI 1841314929
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
206 Grant St. Sw
Cascade, IA 520330456
(563) 852-3396
fax (563) 852-3565

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
January 7, 2008
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Iowa #06468
Medicaid
IA #0256768

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841314929. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
308
Distinct HCPCS
1
Medicare allowed
$11,664
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 308 68 $38

In context: peer comparison

Among 1 peers in Cascade Chiropractor, average services per provider: 308. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Frey's medical specialty?
Dr. Douglas Frey practices Chiropractor in Cascade, IA.
Where does Dr. Douglas Frey practice?
Dr. Douglas Frey practices at 206 Grant St. Sw, Cascade, IA 520330456. Office phone: 5638523396.
What is Dr. Douglas Frey's NPI?
Dr. Douglas Frey's National Provider Identifier (NPI) is 1841314929, issued by NPPES.
Does Dr. Douglas Frey accept Medicare assignment?
Yes. Dr. Douglas Frey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Frey commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.