William Arroyo, M.D.
Psychiatry Physician · Los Angeles, CA
William Arroyo, M.D. is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1285701821, issued on Nov 29, 2006. Check the license (California G41407, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Arroyo
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G41407 CA
Self-reported in NPPES; status is on the state search - Practice location
- 550 S Vermont Ave, Los Angeles, CA 90020
- Phone
- (213) 738-6152
- Enumerated
- Nov 29, 2006
- Record last updated
- Feb 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (213) 738-4646
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 550 S Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Acero, LCSWClinical Social Worker1447468749
- Christi AcostaCase Manager/Care Coordinator1740582592
- Maria Acosta, R.N.Psychiatric/Mental Health Registered Nurse1760570345
- Juan Aguirre, LCSWClinical Social Worker1821113499
- Jessica Ahearn, LCSWClinical Social Worker1538257639
- Aaron Albelo, LCSWClinical Social Worker1316060379
Verify William Arroyo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G41407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Arroyo among 8,673 psychiatry physician records in California
William Arroyo, 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 not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2013 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Christopher Benitez, MDLos Angeles, CA 900201124156591
- Robert Burchuk, MDLos Angeles, CA 900201821186834
- Stephanie Chan, M.D.Los Angeles, CA 900201093129892
- Elizabeth Dohrmann, MDLos Angeles, CA 900201518345859
- Carol Eisen, M.D.Los Angeles, CA 900201376602169
- Arianne Felicitas, DOLos Angeles, CA 900201770286825
- Roger Heilman, M.D.Los Angeles, CA 900201417045709
- Jasung Kim, MDLos Angeles, CA 900201134235484
Common questions
What is William Arroyo, M.D.'s NPI number?
William Arroyo, M.D.'s National Provider Identifier (NPI) is 1285701821, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Arroyo, M.D. located?
The NPPES record lists a practice address at 550 S Vermont Ave, Los Angeles, CA, 90020. Phone: (213) 738-6152. Providers update this record themselves, so call before visiting.
How can I verify William Arroyo, M.D.'s license?
NPPES lists California license number G41407, 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. 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.