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

Mr. David Gerould Markham, LCSW

Individual provider Clinical Social Worker · NPI 1972628337

Mr. David Gerould Markham, LCSW is a Clinical Social Worker in Brockport, New York. Qualified in 1972, 54 years ago. Practices as a sole proprietor. Licensed in New York.

Years since qualifying
54
Licensed in
NY
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

58 Market St
Brockport, NY 14420-1934
Phone: (585) 637-0040
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence PRO13588-1 (NY)

Record details

NPI number1972628337
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 21, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1972 (54 years in practice)
Accepts Medicare assignment Not indicated

Other providers in Brockport