Cathy Jo Diamond, MA MFT
Marriage & Family Therapist · Oakland, CA
Cathy Jo Diamond, MA MFT is a marriage & family therapist with a practice address in Oakland, California, and NPI 1912162579, issued on Jul 23, 2008. Check the license (California MFC30727, 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
- Cathy Jo Diamond
- Credential
- MA MFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- MFC30727 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6239 College Ave, Oakland, CA 94618
- Phone
- (510) 287-9370
- Enumerated
- Jul 23, 2008
- Record last updated
- Jul 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 6239 College Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joan Cole, L.C.S.W.Clinical Social Worker1275909145
- Rosemary EhatMarriage & Family Therapist1548691637
- Deborah Ghidinelli, MFTMarriage & Family Therapist1164822979
- Lily Jaser, LMFTMarriage & Family Therapist1356897425
- Susan Kolodny, DMHPsychologist1437286069
- Esther Lerman, M.F.T.Marriage & Family Therapist1982814059
Verify Cathy Jo Diamond in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license MFC30727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1,576 marriage & family therapist records list a practice address in Oakland
They are 1,576 of the 18,558 NPPES records with a practice address in Oakland, 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 1,576 in Oakland → All 59,889 in California → Every provider in Oakland →
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 Cathy Jo Diamond, MA MFT's NPI number?
Cathy Jo Diamond, MA MFT's National Provider Identifier (NPI) is 1912162579, issued on Jul 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Jo Diamond, MA MFT located?
The NPPES record lists a practice address at 6239 College Ave, Oakland, CA, 94618. Phone: (510) 287-9370. Providers update this record themselves, so call before visiting.
How can I verify Cathy Jo Diamond, MA MFT's license?
NPPES lists California license number MFC30727, 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.