Dianna Lynnette Grayer, MA, MFT
Marriage & Family Therapist · Petaluma, CA
Dianna Lynnette Grayer, MA, MFT is a marriage & family therapist with a practice address in Petaluma, California, and NPI 1649328865, issued on Jan 5, 2007. Check the license (California 33934, 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
- Dianna Lynnette Grayer
- Credential
- MA, MFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- 33934 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7 4TH St, Petaluma, CA 94952
- Phone
- (707) 769-1853
- Enumerated
- Jan 5, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 793-9840
- Medicaid ID
- MFT 33934 CA
- Entity
- Type 1 · individual
Also registered at 7 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Cosin, PSYDClinical Psychologist1801145099
- Robert Dalzell, MFTMarriage & Family Therapist1649342700
- Ona Goodrich, L.ACAcupuncturist1851697452
- Laura Kellison, PSY.D.Psychologist1760538896
- Alexandra MachMarriage & Family Therapist1477279263
- Joanna Pashdag, PHDPsychologist1508070731
Verify Dianna Lynnette Grayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
185 marriage & family therapist records list a practice address in Petaluma
They are 185 of the 1,856 NPPES records with a practice address in Petaluma, 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 185 in Petaluma → All 59,889 in California → Every provider in Petaluma →
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 Dianna Lynnette Grayer, MA, MFT's NPI number?
Dianna Lynnette Grayer, MA, MFT's National Provider Identifier (NPI) is 1649328865, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dianna Lynnette Grayer, MA, MFT located?
The NPPES record lists a practice address at 7 4TH St, Petaluma, CA, 94952. Phone: (707) 769-1853. Providers update this record themselves, so call before visiting.
How can I verify Dianna Lynnette Grayer, MA, MFT's license?
NPPES lists California license number 33934, 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.