Julia Ann Mason, D.C.
Chiropractor · San Carlos, CA
Julia Ann Mason, D.C. is a chiropractor with a practice address in San Carlos, California, and NPI 1538257480, issued on Oct 10, 2006. Check the license (California DC29374, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julia Ann Mason
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- DC29374 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Laurel St., Suite B, San Carlos, CA 94070
- Phone
- (650) 598-5414
- Enumerated
- Oct 10, 2006
- Record last updated
- Mar 30, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (650) 508-4566
- Medicare enrollment
- Enrolled (PECOS I20041112001033); accepts Medicare assignment
- Medical or professional school
- Life Chiropractic College - West, 2004
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Also registered at 1100 Laurel St., Suite B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janet McCaffrey, D.C.Chiropractor1790851145
Verify Julia Ann Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC29374Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mccaffrey And Mason Chiropractic PCSan Carlos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julia Ann Mason among 11,498 chiropractor records in California
Julia Ann Mason, 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. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2004 · median 1999 among the 2,907 with a school on file
- Record last updated2017 · 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).
33 chiropractor records list a practice address in San Carlos
They are 33 of the 1,015 NPPES records with a practice address in San Carlos, and 11,498 chiropractor records in California.
All 11,498 in California → Every provider in San Carlos → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Nicholas Athens, DCSan Carlos, CA 940701043207541
- Cathleen Cira-Dickerson, DCSan Carlos, CA 940701851311237
- Richard Kemp, D.C.San Carlos, CA 940701760528541
- James Loucks, D.C.San Carlos, CA 940701366543027
- Jennifer Loucks, D.C., Q.M.E.San Carlos, CA 940701194826859
- Janet McCaffrey, D.C.San Carlos, CA 940701790851145
- Jerry Patrignani, D.C.San Carlos, CA 940701952333767
- Lisa Pierotti, D.C.San Carlos, CA 940701801921648
Common questions
What is Julia Ann Mason, D.C.'s NPI number?
Julia Ann Mason, D.C.'s National Provider Identifier (NPI) is 1538257480, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Julia Ann Mason, D.C. located?
The NPPES record lists a practice address at 1100 Laurel St., Suite B, San Carlos, CA, 94070. Phone: (650) 598-5414. Providers update this record themselves, so call before visiting.
How can I verify Julia Ann Mason, D.C.'s license?
NPPES lists California license number DC29374, 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. Medicare files from data.cms.gov. 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.