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

Mr. Ryan Robert Piester, LCSW

Individual provider Clinical Social Worker · NPI 1821225897

Mr. Ryan Robert Piester, LCSW is a Clinical Social Worker in Brooklyn, New York. Qualified in 2008, 18 years ago. Practices with NYU Langone Hospitals, a 247-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
18
Licensed in
NY
In the registry since
2009
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

514 49th St
Brooklyn, NY 11220-2010 Not confirmed with CMS for 12 years — call before visiting
Phone: (718) 437-5284
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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 73 081195 (NY)

Record details

NPI number1821225897
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 17, 2009
Last updated in NPPESJuly 18, 2014

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Nyu Langone Hospitals — 247 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Colleagues at NYU Langone Hospitals

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 247 clinicians in the practice; 12 are shown here.

Other providers in Brooklyn