William T. Chappelle
Marriage & Family Therapist · Los Angeles, CA
William T. Chappelle is a marriage & family therapist with a practice address in Los Angeles, California, and NPI 1821223215, issued on May 28, 2009. Check the license (California MFC39683, 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 T. Chappelle
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- MFC39683 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12301 Wilshire Blvd, Los Angeles, CA 90025
- Phone
- (310) 399-1638
- Enumerated
- May 28, 2009
- Record last updated
- May 28, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 12301 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Merly CostaPsychiatric/Mental Health Nurse Practitioner1588400261
- Victoria Davidovsky Lucas, D.C.Chiropractor1639215346
- Dominique Fradin-Read, M.D.,MPHSpecialist1851488316
- Rachel Gerretsen, LMFTMarriage & Family Therapist1720571896
- Janis Goldman, PH.D., PSY.D.Psychoanalysis Psychologist1619195286
- Mark Labowe, M.D.Plastic and Reconstructive Surgery Physician1952335002
Verify William T. Chappelle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license MFC39683Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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 4,428 in Los Angeles → All 59,889 in California → Every provider in Los Angeles →
Other marriage & family therapist records in California
- Lili Aames, LMFTSanta Fe Springs, CA1689836165
- Lynn Aamot, LMFTEl Dorado Hills, CA1508255027
- Nathan Aanderud, LMFTTorrance, CA1689036907
- Alex AaronSherman Oaks, CA1578442620
- Bianca Aaron, LMFT, APCCSan Francisco, CA1316459605
- Kelley Aaron, MFTLos Angeles, CA1699068866
- Ruth Aaron, MS, JD, MFTClaremont, CA1316029697
- Terry Aaron, MFTBurbank, CA1386801173
- Azadeh Aarons, LMFTThousand Oaks, CA1679343974
- Bianca Aarons, MA,LMFTSan Francisco, CA1699286732
Common questions
What is William T. Chappelle's NPI number?
William T. Chappelle's National Provider Identifier (NPI) is 1821223215, issued on May 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is William T. Chappelle located?
The NPPES record lists a practice address at 12301 Wilshire Blvd, Los Angeles, CA, 90025. Phone: (310) 399-1638. Providers update this record themselves, so call before visiting.
How can I verify William T. Chappelle's license?
NPPES lists California license number MFC39683, 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.