Catherine A. Ryan, D.C.
Chiropractor · Palo Alto, CA
Catherine A. Ryan, D.C. is a chiropractor with a practice address in Palo Alto, California, and NPI 1326118605, issued on Nov 8, 2006. Check the license (California DC0259240, 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
- Catherine A. Ryan
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License numbers
- DC0259240 CA
23363 CA
B00850 NV
Self-reported in NPPES; status is on the state search - Practice location
- 3788 Fabian Way, Palo Alto, CA 94303
- Phone
- (650) 714-1477
- Enumerated
- Nov 8, 2006
- Record last updated
- Mar 4, 2025
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Verify Catherine A. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC0259240Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine A. Ryan among 11,498 chiropractor records in California
Catherine A. Ryan, D.C. is one of 11,498 chiropractor records with a practice address in California. 7% 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2025 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Chiropractor providers in California
There are 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,498 in California → Every provider in Palo Alto → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Kendra Cohn, D.C.Palo Alto, CA 943031982855573
- Jason Frederick, DCPalo Alto, CA 943031386355386
- Ali Nasser, DCPalo Alto, CA 943031154276749
- Juliet Tablak, D.C.Palo Alto, CA 943031881088722
- Michael Tarr, D.C.Palo Alto, CA 943031497906085
- Robert Butler, DCPalo Alto, CA 943041770167520
- Thomas FermorPalo Alto, CA 943041144168261
- Gavin Carr, D.CPalo Alto, CA 943011235240680
Common questions
What is Catherine A. Ryan, D.C.'s NPI number?
Catherine A. Ryan, D.C.'s National Provider Identifier (NPI) is 1326118605, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine A. Ryan, D.C. located?
The NPPES record lists a practice address at 3788 Fabian Way, Palo Alto, CA, 94303. Phone: (650) 714-1477. Providers update this record themselves, so call before visiting.
How can I verify Catherine A. Ryan, D.C.'s license?
NPPES lists California license number DC0259240, 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.