Lance Aaron O'Connor, D.C.
Rehabilitation Chiropractor · Santa Rosa, CA
Lance Aaron O'Connor, D.C. is a rehabilitation chiropractor with a practice address in Santa Rosa, California, and NPI 1417159419, issued on Jun 1, 2007. Check the license (California DC22107, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Lance Aaron O'Connor
- Credential
- D.C.
- Primary taxonomy
- Rehabilitation Chiropractor 111NR0400X
- License number
- DC22107 CA
Self-reported in NPPES; status is on the state search - Practice location
- 910 Vallejo St, Santa Rosa, CA 95404
- Phone
- (707) 525-9111
- Enumerated
- Jun 1, 2007
- Record last updated
- Jun 1, 2022
- Fax
- (707) 526-9374
- Medicare enrollment
- Enrolled (PECOS I20230612001638); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - West Sunnyvale, 1992
- Entity
- Type 1 · individual
8 nearest rehabilitation chiropractor records → All 219 in California → Look up another NPI →
Also registered at 910 Vallejo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dennis Milbrath, D.C.Chiropractor1205806049
Verify Lance Aaron O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC22107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Lance Aaron O'Connor among 219 rehabilitation chiropractor records in California
Lance Aaron O'Connor, D.C. is one of 219 rehabilitation chiropractor records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 46% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated1992 · median 1999 among the 40 with a school on file
- Record last updated2022 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111NR0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rehabilitation Chiropractor providers in California
There are 219 rehabilitation chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 219 in California → Every provider in Santa Rosa → Rehabilitation Chiropractor nationwide →
The 8 rehabilitation chiropractor records with the nearest ZIP codes
- Monica Vigil, D.C.Santa Rosa, CA 954031558959809
- Douglas Lewis, D.C.Turlock, CA 953801215064001
- Charles Sperbeck, D.C.Tracy, CA 953761700967007
- Jeffry Bell, D.C.Modesto, CA 953541386724284
- Randeep SinghCeres, CA 953071114325180
- Christopher Campagna, DCFortuna, CA 955401265636336
- John Crill, DCAuburn, CA 956031528221363
- Patricia Hurley, DCFair Oaks, CA 956281528246758
Common questions
What is Lance Aaron O'Connor, D.C.'s NPI number?
Lance Aaron O'Connor, D.C.'s National Provider Identifier (NPI) is 1417159419, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lance Aaron O'Connor, D.C. located?
The NPPES record lists a practice address at 910 Vallejo St, Santa Rosa, CA, 95404. Phone: (707) 525-9111. Providers update this record themselves, so call before visiting.
How can I verify Lance Aaron O'Connor, D.C.'s license?
NPPES lists California license number DC22107, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.