Karen Darden, MS, RD
Registered Dietitian · Thousand Oaks, CA
Karen Darden, MS, RD is a registered dietitian with a practice address in Thousand Oaks, California, and NPI 1477131050, issued on Apr 1, 2021. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karen Darden
- Credential
- MS, RD
- Primary taxonomy
- Registered Dietitian 133V00000X
- Practice location
- 509 Marin St Ste 228, Thousand Oaks, CA 91360
- Phone
- (805) 267-9298
- Enumerated
- Apr 1, 2021
- Entity
- Type 1 · individual
Also registered at 509 Marin St Ste 228
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Callahan, MS RDNRegistered Dietitian1225553936
- Katie FolsomRegistered Dietitian1851261523
- Sasha Gordon, RDRegistered Dietitian1194504308
- Madalyn Homeier, RDNRegistered Dietitian1033959325
- Briana JacintoRegistered Dietitian1013629518
- Jessica Jung, RD, MSRegistered Dietitian1023846821
Verify Karen Darden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
29 registered dietitian records list a Thousand Oaks practice address
They are 29 of the 2,434 NPPES records with a Thousand Oaks practice address, and 7,002 registered dietitian records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 29 in Thousand Oaks → All 7,002 in California → Every provider in Thousand Oaks →
Other registered dietitian records in California
- Nazanin Abbaspour, PHD, RDN, IFNCPSan Diego, CA1871180695
- Michelle AbbeySan Diego, CA1932692878
- Emily AbbottTorrance, CA1477064871
- Fatima Azzahra Abdelhafeez, RDAnaheim, CA1356003727
- Sulaima Abdin-ArafehPomona, CA1366980765
- Tamara Abdul Hadi, MSLos Angeles, CA1669356754
- Anita Abdul-KarimPasadena, CA1619365970
- Ruqaya AbdulkhaliqLong Beach, CA1447124037
- Ran Abe, R.D.Long Beach, CA1093186173
- Allison Abel, RDN, CNSCLos Angeles, CA1346664414
Common questions
What is Karen Darden, MS, RD's NPI number?
Karen Darden, MS, RD's National Provider Identifier (NPI) is 1477131050, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Karen Darden, MS, RD located?
The NPPES record lists a practice address at 509 Marin St Ste 228, Thousand Oaks, CA, 91360. Phone: (805) 267-9298. Providers update this record themselves, so call before visiting.
How can I verify Karen Darden, MS, RD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.