John A. Christianson, ND
Naturopath · San Diego, CA
John A. Christianson, ND is a naturopath with a practice address in San Diego, California, and NPI 1790060895, issued on Oct 20, 2011. Check the license (California ND818, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John A. Christianson
- Credential
- ND
- Primary taxonomy
- Naturopath 175F00000X
- License number
- ND818 CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 W Broadway Ste A266, San Diego, CA 92101
- Phone
- (619) 241-4452
- Enumerated
- Oct 20, 2011
- Record last updated
- Jan 30, 2022
- Fax
- (619) 860-1272
- Entity
- Type 1 · individual
8 nearest naturopath records → All 964 in California → Look up another NPI →
Verify John A. Christianson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license ND818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average naturopath in 2024
15 Medicare Part D claims, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John A. Christianson among 964 naturopath records in California
John A. Christianson, ND is one of 964 naturopath records with a practice address in California. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 31% of them.
- NPI issued2011 · 31% of these records are older, 64% newer
- In a Medicare fileYes · 26% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175F00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Naturopath providers in California
There are 964 naturopath records in California.
All 964 in California → Every provider in San Diego → Naturopath nationwide →
The 8 naturopath records with the nearest ZIP codes
- Alexis Farley, NDSan Diego, CA 921011467233171
- Alison GordonSan Diego, CA 921011033688601
- Rachel Heussner, NDSan Diego, CA 921011306501606
- Theresa Marshall, NDSan Diego, CA 921011275040545
- Leo Mountain, NDSan Diego, CA 921011144017955
- Suzzette Plettner, LMTSan Diego, CA 921011881098887
- Judy Rosas, NDSan Diego, CA 921011104576842
- Katherine Williams, NMDSan Diego, CA 921011699596171
Common questions
What is John A. Christianson, ND's NPI number?
John A. Christianson, ND's National Provider Identifier (NPI) is 1790060895, issued on Oct 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John A. Christianson, ND located?
The NPPES record lists a practice address at 501 W Broadway Ste A266, San Diego, CA, 92101. Phone: (619) 241-4452. Providers update this record themselves, so call before visiting.
How can I verify John A. Christianson, ND's license?
NPPES lists California license number ND818, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does John A. Christianson, ND prescribe under Medicare Part D?
In 2024, John A. Christianson, ND had 15 Medicare Part D claims; the average among naturopath prescribers was 109. Part D covers Medicare prescriptions 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.