Gregory Allen, PH.D., MFT
Marriage & Family Therapist · Palos Verdes Estates, CA
Gregory Allen, PH.D., MFT is a marriage & family therapist with a practice address in Palos Verdes Estates, California, and NPI 1679841795, issued on Dec 3, 2011. Check the license (California 17674, 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
- Gregory Allen
- Credential
- PH.D., MFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- 17674 CA
Self-reported in NPPES; status is on the state search - Practice location
- 336 Tejon PL, Palos Verdes Estates, CA 90274
- Phone
- (310) 378-9005
- Enumerated
- Dec 3, 2011
- Record last updated
- Dec 3, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (310) 378-3024
- Medicare enrollment
- Enrolled (PECOS I20260122004023); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 336 Tejon PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Castle, LMFTMarriage & Family Therapist1649728288
Verify Gregory Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 17674Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17 marriage & family therapist records list a practice address in Palos Verdes Estates
They are 17 of the 102 NPPES records with a practice address in Palos Verdes Estates, 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 17 in Palos Verdes Estates → All 59,889 in California → Every provider in Palos Verdes Estates →
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 Gregory Allen, PH.D., MFT's NPI number?
Gregory Allen, PH.D., MFT's National Provider Identifier (NPI) is 1679841795, issued on Dec 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Allen, PH.D., MFT located?
The NPPES record lists a practice address at 336 Tejon PL, Palos Verdes Estates, CA, 90274. Phone: (310) 378-9005. Providers update this record themselves, so call before visiting.
How can I verify Gregory Allen, PH.D., MFT's license?
NPPES lists California license number 17674, 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.