William Julius Joiner, MS, LMFT
Marriage & Family Therapist · Los Angeles, CA
William Julius Joiner, MS, LMFT is a marriage & family therapist with a practice address in Los Angeles, California, and NPI 1295951069, issued on Apr 18, 2007. Check the license (California 45590, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Julius Joiner
- Credential
- MS, LMFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- 45590 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5050 Coliseum St, Los Angeles, CA 90016
- Phone
- (323) 296-5182
- Enumerated
- Apr 18, 2007
- Record last updated
- Jul 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 59,889 in California → Look up another NPI →
Verify William Julius Joiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 45590Check 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 Julius Joiner among 59,889 marriage & family therapist records in California
William Julius Joiner, MS, LMFT is one of 59,889 marriage & family therapist records with a practice address in California. 4% 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 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 77% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2008 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4,428 marriage & family therapist records list a practice address in Los Angeles
They are 4,428 of the 69,537 NPPES records with a practice address in Los Angeles, and 59,889 marriage & family therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 59,889 in California → Every provider in Los Angeles → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Alexandra Aldred, M.A. (PSYCHOLOGY)Los Angeles, CA 900161770735540
- Elinor BawnikLos Angeles, CA 900161154986172
- Antoinette BellLos Angeles, CA 900161063770790
- Marcola CasonLos Angeles, CA 900161669885042
- Cynthia Clark-Lyles, MALos Angeles, CA 900161649530494
- Spencer FigueroaLos Angeles, CA 900161225153562
- Melissa Guerrero, MFTLos Angeles, CA 900161679981088
- Carrie Jacoby, MFTILos Angeles, CA 900161609241165
Common questions
What is William Julius Joiner, MS, LMFT's NPI number?
William Julius Joiner, MS, LMFT's National Provider Identifier (NPI) is 1295951069, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Julius Joiner, MS, LMFT located?
The NPPES record lists a practice address at 5050 Coliseum St, Los Angeles, CA, 90016. Phone: (323) 296-5182. Providers update this record themselves, so call before visiting.
How can I verify William Julius Joiner, MS, LMFT's license?
NPPES lists California license number 45590, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.