Justin Key, M.D.
Psychiatry Physician · Redondo Beach, CA
Justin Key, M.D. is a psychiatry physician with a practice address in Redondo Beach, California, and NPI 1093246647, issued on Mar 24, 2017. Check the license (California A161051, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin Key
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A161051 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2512 Artesia Blvd Ste 310, Redondo Beach, CA 90278
- Phone
- (424) 277-2899
- Enumerated
- Mar 24, 2017
- Record last updated
- Aug 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210415002842); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2512 Artesia Blvd Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Sabra, MD, MPHChild & Adolescent Psychiatry Physician1295266104
- Brittany Tarrant, MDPsychiatry Physician1073017570
Verify Justin Key in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A161051Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average psychiatry physician in 2024
673 Medicare Part D claims for 50 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Aripiprazole44 claims
- Gabapentin43 claims
- Duloxetine Hcl39 claims
- Escitalopram Oxalate36 claims
- Sertraline Hcl35 claims
- Olanzapine34 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
- Regeneration PsychiatryRedondo Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Justin Key, M.D.'s NPI number?
Justin Key, M.D.'s National Provider Identifier (NPI) is 1093246647, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Justin Key, M.D. located?
The NPPES record lists a practice address at 2512 Artesia Blvd Ste 310, Redondo Beach, CA, 90278. Phone: (424) 277-2899. Providers update this record themselves, so call before visiting.
How can I verify Justin Key, M.D.'s license?
NPPES lists California license number A161051, 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 Justin Key, M.D. prescribe under Medicare Part D?
In 2024, Justin Key, M.D. had 673 Medicare Part D claims for 50 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.