Simon John Barker, N.D.
Naturopath · Pasadena, CA
Simon John Barker, N.D. is a naturopath with a practice address in Pasadena, California, and NPI 1457574501, issued on Apr 10, 2007. Check the license (California ND128, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Simon John Barker
- Credential
- N.D.
- Primary taxonomy
- Naturopath 175F00000X
- License number
- ND128 CA
Self-reported in NPPES; status is on the state search - Practice location
- 740 N Lake Ave, Pasadena, CA 91104
- Phone
- (626) 794-4668
- Enumerated
- Apr 10, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 345-9753
- Entity
- Type 1 · individual
8 nearest naturopath records → All 964 in California → Look up another NPI →
Also registered at 740 N Lake Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenda Barnetson, CMTMassage Therapist1104102300
- Santokh Khalsa, D.C.Chiropractor1952336729
- Fareen Koorjee, NDNaturopath1023529823
Verify Simon John Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license ND128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average naturopath in 2024
68 Medicare Part D claims for 20 beneficiaries, against an average of 109 among the 1,866 providers of this specialty who prescribed in Part D.
Most prescribed
- Armour Thyroid19 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.
Simon John Barker among 964 naturopath records in California
Simon John Barker, N.D. 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 2007, is newer than 4% of them.
- NPI issued2007 · 4% of these records are older, 83% 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 updated2007 · 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 Pasadena → Naturopath nationwide →
The 8 naturopath records with the nearest ZIP codes
- Fareen Koorjee, NDPasadena, CA 911041023529823
- Clement Lee, N.D.Pasadena, CA 911051447587431
- Amaliya Santiago, N.D.Pasadena, CA 911051720433808
- Mallory Aye, NMDPasadena, CA 911061255802377
- Lisa Jung, NDPasadena, CA 911071831728351
- Reem Sharhan, NDPasadena, CA 911011871255984
- Sef Tritt, NDPasadena, CA 911011154873073
- Heather Barrett, NDMonrovia, CA 910161861748956
Common questions
What is Simon John Barker, N.D.'s NPI number?
Simon John Barker, N.D.'s National Provider Identifier (NPI) is 1457574501, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Simon John Barker, N.D. located?
The NPPES record lists a practice address at 740 N Lake Ave, Pasadena, CA, 91104. Phone: (626) 794-4668. Providers update this record themselves, so call before visiting.
How can I verify Simon John Barker, N.D.'s license?
NPPES lists California license number ND128, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Simon John Barker, N.D. prescribe under Medicare Part D?
In 2024, Simon John Barker, N.D. had 68 Medicare Part D claims for 20 beneficiaries; 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.