Karen Marie Newcomb, MFT
Marriage & Family Therapist · Castro Valley, CA
Karen Marie Newcomb, MFT is a marriage & family therapist with a practice address in Castro Valley, California, and NPI 1982724936, issued on Mar 30, 2007. Check the license (California MFC34614, 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
- Karen Marie Newcomb
- Credential
- MFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- MFC34614 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21847 Redwood RD, Castro Valley, CA 94546
- Phone
- (510) 303-7240
- Enumerated
- Mar 30, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 01674804 CA
- Entity
- Type 1 · individual
Also registered at 21847 Redwood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Athey, MS MFTMarriage & Family Therapist1972660504
- Helen Bruner, LCSWClinical Social Worker1528110640
- Caryn Gottfried, MFTMarriage & Family Therapist1447366497
- Kathleen Kretzmer, LCSWClinical Social Worker1467579979
- Donna Morrish, M.F.T.Mental Health Counselor1740387380
Verify Karen Marie Newcomb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license MFC34614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68 marriage & family therapist records list a practice address in Castro Valley
They are 68 of the 999 NPPES records with a practice address in Castro Valley, 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 68 in Castro Valley → All 59,889 in California → Every provider in Castro Valley →
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 Karen Marie Newcomb, MFT's NPI number?
Karen Marie Newcomb, MFT's National Provider Identifier (NPI) is 1982724936, issued on Mar 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Marie Newcomb, MFT located?
The NPPES record lists a practice address at 21847 Redwood RD, Castro Valley, CA, 94546. Phone: (510) 303-7240. Providers update this record themselves, so call before visiting.
How can I verify Karen Marie Newcomb, MFT's license?
NPPES lists California license number MFC34614, 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.