Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Diana Mayer, LGMFT

Individual provider Marriage & Family Therapist · NPI 1639439524

Diana Mayer, LGMFT is a Marriage & Family Therapist in Gaithersburg, Maryland. Licensed in Maryland. Registered with an NPI since 2012.

Licensed in
MD
In the registry since
2012

Practice location Address checks out

610 E Diamond Ave Ste 100A
Gaithersburg, MD 20877-5321
Phone: (301) 840-3200
Fax: (301) 840-1348
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence LGM410 (MD)

Record details

NPI number1639439524
Entity typeIndividual (Type 1)
GenderFemale
Credentials LGMFT
Sole proprietorNo
NPI enumeratedMay 24, 2012
Last updated in NPPESMay 24, 2012

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