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

Nicholas Leroy Tieken, LCSW, LCADC

Individual provider Clinical Social Worker · NPI 1992196653

Nicholas Leroy Tieken, LCSW, LCADC is a Clinical Social Worker in Reno, Nevada. Qualified in 2019, 7 years ago. Practices with Lisa May PLLC, a 12-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Nevada.

Years since qualifying
7
Licensed in
NV
In the registry since
2015
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

580 W 5th St
Reno, NV 89503-4407
Phone: (775) 786-4673
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 1855 Sullivan Ln Ste 145, Sparks, NV 89431-2828 — (775) 356-1908

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 9739-C (NV)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 07010-LC (NV)

Record details

NPI number1992196653
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , LCADC
Sole proprietorYes
NPI enumeratedFebruary 16, 2015
Last updated in NPPESFebruary 9, 2022
Certification dateFebruary 9, 2022

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Lisa May Pllc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Reno