Nicholas Tieken, LCSW, LCADC
NPI 1992196653 · Clinical Social Worker · Reno, NV
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Tieken, LCSW, LCADC is a Clinical Social Worker provider in Reno, NV (NPI 1992196653).
Provider details
- NPI number
- 1992196653
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, LCADC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9739-C (NV)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1855 Sullivan Ln Ste 145Sparks, NV 89431-2828Phone: (775) 356-1908
Registry dates
- Enumerated
- 2015-02-16
- Last updated
- 2022-02-09
- Certified
- 2022-02-09
Frequently asked questions
- What is Nicholas Tieken's NPI number?
- Nicholas Tieken's National Provider Identifier (NPI) is 1992196653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Tieken's specialty?
- Nicholas Tieken is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nicholas Tieken located?
- Nicholas Tieken's practice location on file with NPPES is 580 W 5th St, Reno, NV 89503-4407.
- What is Nicholas Tieken's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Tieken is (775) 786-4673.
- Does Nicholas Tieken accept Medicare?
- Nicholas Tieken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Tieken's NPI active?
- Yes — Nicholas Tieken's NPI (1992196653) is active in the NPPES registry as of the last update on 2022-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.