Doctor profile · Federal record

Dr. Lance O'Connor, D.C.

Rehabilitation Chiropractor (CMS: Chiropractic) · Santa Rosa, CA

  • NPI 1417159419
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
910 Vallejo St
Santa Rosa, CA 954045115
(707) 525-9111
fax (707) 526-9374

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
June 1, 2022
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
111NR0400X — NUCC code
State license (1)
California #DC22107

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417159419. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
79
Distinct HCPCS
1
Medicare allowed
$3,377
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 79 15 $43

In context: peer comparison

Among 1 peers in this city , average services per provider: 79. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Lance O'Connor's medical specialty?
Dr. Lance O'Connor practices Rehabilitation Chiropractor in Santa Rosa, CA.
Where does Dr. Lance O'Connor practice?
Dr. Lance O'Connor practices at 910 Vallejo St, Santa Rosa, CA 954045115. Office phone: 7075259111.
What is Dr. Lance O'Connor's NPI?
Dr. Lance O'Connor's National Provider Identifier (NPI) is 1417159419, issued by NPPES.
Does Dr. Lance O'Connor accept Medicare assignment?
Yes. Dr. Lance O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lance O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.