Deena Marie Hassan, M.D.
Psychiatry Physician · Los Angeles, CA
Deena Marie Hassan, M.D. is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1407272388, issued on Mar 14, 2014. Check the license (California A137857, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Deena Marie Hassan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A137857 CA
Self-reported in NPPES; status is on the state search - Practice location
- 529 Maple Ave, Los Angeles, CA 90013
- Phone
- (213) 629-6200
- Enumerated
- Mar 14, 2014
- Record last updated
- Nov 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (213) 895-6263
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 529 Maple Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Felicitas AcostaDay Training/Habilitation Specialist1922621630
- Ayisat AfolabiStudent in an Organized Health Care Education/Training Program1578308847
- Anthony Allen, LCSWClinical Social Worker1386720266
- Randi Alpern, RTRecreation Therapist1932279536
- Lilian Badovsky, M.D.Psychiatry Physician1598959363
- Athena BerdisStudent in an Organized Health Care Education/Training Program1841077898
Verify Deena Marie Hassan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137857Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average psychiatry physician in 2024
357 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate61 claims
- Olanzapine39 claims
- Aripiprazole35 claims
- Fluoxetine Hcl30 claims
- Ziprasidone Hcl29 claims
- Lurasidone Hcl24 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.
Deena Marie Hassan among 8,673 psychiatry physician records in California
Deena Marie Hassan, M.D. 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 fileNo · 38% of these records are
- 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).
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
- Lilian Badovsky, M.D.Los Angeles, CA 900131598959363
- Brian Benjamin, D.O.Los Angeles, CA 900131518354661
- William Drucker, MDLos Angeles, CA 900131245300870
- Douglas Greenblatt, M.D.Los Angeles, CA 900131033369517
- Thomas Hoffman, M.D.Los Angeles, CA 900131871757922
- Sara Hyoun, M.D.Los Angeles, CA 900131942643655
- James Jones, M.D.Los Angeles, CA 900131013093194
- Thomas Klotz, M.D.Los Angeles, CA 900131275741225
Common questions
What is Deena Marie Hassan, M.D.'s NPI number?
Deena Marie Hassan, M.D.'s National Provider Identifier (NPI) is 1407272388, issued on Mar 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Deena Marie Hassan, M.D. located?
The NPPES record lists a practice address at 529 Maple Ave, Los Angeles, CA, 90013. Phone: (213) 629-6200. Providers update this record themselves, so call before visiting.
How can I verify Deena Marie Hassan, M.D.'s license?
NPPES lists California license number A137857, 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 Deena Marie Hassan, M.D. prescribe under Medicare Part D?
In 2024, Deena Marie Hassan, M.D. had 357 Medicare Part D claims for 29 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.