Physician Profile
Unclaimed ProfileAbout O'CONNOR
Based in Santa Rosa, CA, Lance Aaron O'Connor, D.C. is listed in the NPI registry under chiropractic. Lance graduated from Palmer College Chiropractic - West Sunnyvale in 1992. Lance is also listed as specialising in chiropractor.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. O'Connor's specialty?
Dr. O'Connor is a chiropractic in Santa Rosa, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CHIROPRACTIC”.
NPI registry
Where can I find Dr. O'Connor?
Dr. O'Connor is listed at 910 VALLEJO ST, Santa Rosa, CA 95404. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Connor?
The number on file is (707) 525-9111. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. O'Connor?
Dr. O'Connor's National Provider Identifier is 1417159419. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. O'Connor's medical education?
Dr. O'Connor attended Palmer College Chiropractic - West Sunnyvale, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. O'Connor have?
Dr. O'Connor has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What is Dr. O'Connor known for?
According to Medicare billing data, Dr. O'Connor provides treatments such as chiropractic manipulative treatment, 3-4 spinal regions. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. O'Connor's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Connor. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (707) 525-9111
- Email not available
Practice Locations
910 VALLEJO ST
Santa Rosa, CA 95404
Procedures Most Often Billed to Medicare
41 services · 12 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Chiropractic manipulative treatment, 3-4 spinal regions | Treatment | 98941 |
41 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other chiropractics in Santa Rosa 8
Same specialty, same city.
Trained at Palmer College Chiropractic - West Sunnyvale 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1992 at Palmer College Chiropractic - West Sunnyvale 8
Providers who graduated from the same medical school in the same year.
Also performs Chiropractic manipulative treatment, 3-4 spinal regions 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.