Doctor profile · Federal record

Dr. Debra Callahan, DC

Chiropractor (CMS: Chiropractic) · Ventura, CA

  • NPI 1841363256
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4247 Telegraph RD
Ventura, CA 930033705
(808) 644-6447
fax (805) 644-3430

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
California #DC18707

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841363256. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
303
Distinct HCPCS
1
Medicare allowed
$12,938
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 303 27 $43

In context: peer comparison

Among 12 peers in Ventura Chiropractor, average services per provider: 366. This provider delivers 0.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Debra Callahan's medical specialty?
Dr. Debra Callahan practices Chiropractor in Ventura, CA.
Where does Dr. Debra Callahan practice?
Dr. Debra Callahan practices at 4247 Telegraph RD, Ventura, CA 930033705. Office phone: 8086446447.
What is Dr. Debra Callahan's NPI?
Dr. Debra Callahan's National Provider Identifier (NPI) is 1841363256, issued by NPPES.
Does Dr. Debra Callahan accept Medicare assignment?
Yes. Dr. Debra Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Debra Callahan commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.