Katharine Marder, MD
Psychiatry Physician · Los Angeles, CA
Katharine Marder, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1407250020, issued on Oct 9, 2014. Check the license (California A153445, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katharine Marder
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A153445 CA
Self-reported in NPPES; status is on the state search - Practice location
- 760 Westwood Plz, Los Angeles, CA 90024
- Phone
- (310) 267-7415
- Enumerated
- Oct 9, 2014
- Record last updated
- Aug 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20200204003070); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 760 Westwood Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chelsea BartonStudent in an Organized Health Care Education/Training Program1982534947
- Dina BashouraStudent in an Organized Health Care Education/Training Program1932796596
Verify Katharine Marder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153445Check 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
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katharine Marder among 8,673 psychiatry physician records in California
Katharine Marder, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2016 · median 2005 among the 3,295 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
987 psychiatry physician records list a practice address in Los Angeles
They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- George Allen, MDLos Angeles, CA 900241154452308
- John Altman, MDLos Angeles, CA 900241053480327
- Robert Ashley, MDLos Angeles, CA 900241255385886
- Henry Bender, M.D.Los Angeles, CA 900241154450336
- Franklin Dines, MDLos Angeles, CA 900241881763142
- Robert Gerner, M.D.Los Angeles, CA 900241083667455
- Thomas Kappeler, MDLos Angeles, CA 900241912070749
- Matthew Koury, M.D.Los Angeles, CA 900241376633735
Common questions
What is Katharine Marder, MD's NPI number?
Katharine Marder, MD's National Provider Identifier (NPI) is 1407250020, issued on Oct 9, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Marder, MD located?
The NPPES record lists a practice address at 760 Westwood Plz, Los Angeles, CA, 90024. Phone: (310) 267-7415. Providers update this record themselves, so call before visiting.
How can I verify Katharine Marder, MD's license?
NPPES lists California license number A153445, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.