Koren Barrett, ND
Naturopath · Costa Mesa, CA
Koren Barrett, ND is a naturopath with a practice address in Costa Mesa, California, and NPI 1225255391, issued on Apr 19, 2007. Check the license (California ND-10, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Koren Barrett
- Credential
- ND
- Primary taxonomy
- Naturopath 175F00000X
- License number
- ND-10 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1831 Orange Ave, Costa Mesa, CA 92627
- Phone
- (949) 642-4324
- Enumerated
- Apr 19, 2007
- Entity
- Type 1 · individual
Also registered at 1831 Orange Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Ku, DDSGeneral Practice Dentistry1821341256
- Yuka Tsukioka, N.M.D.Naturopath1235430232
- Lauren Vreeland, N.D.Naturopath1952686990
Verify Koren Barrett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license ND-10Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.0 times the Medicare Part D claims of the average naturopath in 2024
386 Medicare Part D claims for 73 beneficiaries, against an average of 127 among the 1,703 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Progesterone48 claims
- Levothyroxine Sodium36 claims
- Rosuvastatin Calcium25 claims
- Losartan Potassium22 claims
- Estradiol20 claims
- Hydrochlorothiazide14 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.
Naturopath providers in California
There are 926 naturopath records in California.
Other naturopath records in California
- Jennifer Abercrombie, N.D.El Segundo, CA1003116609
- Fadia Aboraid, NATUROPATH,HOMEOPATHLaguna Niguel, CA1942017272
- Tamara Ackerman, NDClaremont, CA1548302078
- David Adesanya, MD, MPHSan Marcos, CA1306124862
- Bj Adrezin, MS, NMDWestlake Village, CA1568642122
- Angela Agrios, N.D.Agoura Hills, CA1730308651
- Antonella Aguilera-Ruiz, NDPlacerville, CA1245673953
- Arsallan Ahmad, M.D., N.D.Folsom, CA1629514856
- Karla Alberts, NDFolsom, CA1245655257
- Dawn Alden, NDRoseville, CA1760957518
Common questions
What is Koren Barrett, ND's NPI number?
Koren Barrett, ND's National Provider Identifier (NPI) is 1225255391, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Koren Barrett, ND located?
The NPPES record lists a practice address at 1831 Orange Ave, Costa Mesa, CA, 92627. Phone: (949) 642-4324. Providers update this record themselves, so call before visiting.
How can I verify Koren Barrett, ND's license?
NPPES lists California license number ND-10, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Koren Barrett, ND prescribe under Medicare Part D?
In 2024, Koren Barrett, ND had 386 Medicare Part D claims for 73 beneficiaries; the average among naturopath prescribers was 127. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.