Marissa L. Andres-Kim, MD
Psychiatry Physician · Chatsworth, CA
Marissa L. Andres-Kim, MD is a psychiatry physician with a practice address in Chatsworth, California, and NPI 1376779744, issued on May 29, 2009. Check the license (California A118959, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marissa L. Andres-Kim
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A118959 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20151 Nordhoff St, Chatsworth, CA 91311
- Phone
- (818) 407-3200
- Enumerated
- May 29, 2009
- Record last updated
- Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (818) 775-4552
- Medicare enrollment
- Enrolled (PECOS I20141216001935); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 20151 Nordhoff St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elena Angulo, MSWClinical Social Worker1730370271
- Jasmine AntimoRecreation Therapist1366079832
- Perla AragonClinical Social Worker1184756231
- Sanam BaldwinPsychiatric/Mental Health Nurse Practitioner1326746702
- Diana BallDay Training/Habilitation Specialist1962729921
- Inna Barg, MDPsychiatry Physician1447335377
Verify Marissa L. Andres-Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A118959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average psychiatry physician in 2024
349 Medicare Part D claims for 27 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Clonazepam32 claims
- Gabapentin24 claims
- Mirtazapine24 claims
- Trazodone Hcl23 claims
- Lamotrigine21 claims
- Venlafaxine Hcl Er18 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.
Bills Medicare through one group practice
- Los Angeles County Department OF Mental HealthChatsworth, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa L. Andres-Kim among 8,673 psychiatry physician records in California
Marissa L. Andres-Kim, 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2010 · median 2005 among the 3,295 with a school on file
- Record last updated2020 · 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).
9 psychiatry physician records list a practice address in Chatsworth
They are 9 of the 498 NPPES records with a practice address in Chatsworth, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Chatsworth → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Inna Barg, MDChatsworth, CA 913111447335377
- Izabella Gokhman, M.D.Chatsworth, CA 913111346288024
- Eric Gorinstein, M.D.Chatsworth, CA 913111922392828
- Tae Soon Kim, M.D.Chatsworth, CA 913111447498472
- Blair KimChatsworth, CA 913111649858580
- Karen Lewicki, M.D.Chatsworth, CA 913111427443324
- Rhodora Tolentino, M.D.Chatsworth, CA 913111033318191
- Veena Vadmal, MDChatsworth, CA 913111033148838
Common questions
What is Marissa L. Andres-Kim, MD's NPI number?
Marissa L. Andres-Kim, MD's National Provider Identifier (NPI) is 1376779744, issued on May 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Marissa L. Andres-Kim, MD located?
The NPPES record lists a practice address at 20151 Nordhoff St, Chatsworth, CA, 91311. Phone: (818) 407-3200. Providers update this record themselves, so call before visiting.
How can I verify Marissa L. Andres-Kim, MD's license?
NPPES lists California license number A118959, 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.
How much does Marissa L. Andres-Kim, MD prescribe under Medicare Part D?
In 2024, Marissa L. Andres-Kim, MD had 349 Medicare Part D claims for 27 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.