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

MS. Susan Gentz Gillespie, MFT

Individual provider Mental Health Counselor · NPI 1235420811

MS. Susan Gentz Gillespie, MFT is a Marriage and Family Therapist in Bethesda, Maryland. Qualified in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California, District of Columbia and Maryland.

Years since qualifying
30
Licensed in
CA, DC, MD
In the registry since
2011
Specialties on file
3
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

4915 Saint Elmo Ave Ste 504
Bethesda, MD 20814-6019
Phone: (415) 609-8205
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 000140 (DC)
Mental Health Counselor Taxonomy 101YM0800X · Licence MFC 38572 (CA)
Mental Health Counselor Taxonomy 101YM0800X · Licence LCM881 (MD)

Record details

NPI number1235420811
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorYes
NPI enumeratedApril 29, 2011
Last updated in NPPESFebruary 18, 2025
Certification dateFebruary 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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