NPPES file of Aug 9, 2026

Nicholas Leroy Tieken, LCSW, LCADC

Clinical Social Worker · Reno, NV

Nicholas Leroy Tieken, LCSW, LCADC is a clinical social worker with a practice address in Reno, Nevada, and NPI 1992196653, issued on Feb 16, 2015. Check the license (Nevada 9739-C, as entered in NPPES) with the Nevada board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992196653
Name
Nicholas Leroy Tieken
Credential
LCSW, LCADC
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
9739-C NV
07010-LC NV
Self-reported in NPPES; status is on the state search
Practice location
580 W 5TH St, Reno, NV 89503
Phone
(775) 786-4673
Enumerated
Feb 16, 2015
Record last updated
Feb 9, 2022
Medicare enrollment
Enrolled (PECOS I20220310000057); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 2,164 in Nevada → Look up another NPI →

Also registered at 580 W 5TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Saide Altinsan, MDPsychiatry Physician1689612079
  2. Katherine Ault, RDRegistered Dietitian1356534887
  3. Walter Bell, DDSEndodontics1831252865
  4. Sohei Breaux-Fujita, LMFTMarriage & Family Therapist1699119834
  5. Katy Brockway, LMFT, LCADCMarriage & Family Therapist1598958191
  6. Alexander Brooks, DOPsychiatry Physician1114127644

Verify Nicholas Leroy Tieken in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nevada board licenses this profession
    Search for license 9739-C    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Nevada license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Lisa May PLLCReno, NV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nicholas Leroy Tieken among 2,164 clinical social worker records in Nevada

Nicholas Leroy Tieken, LCSW, LCADC is one of 2,164 clinical social worker records with a practice address in Nevada. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 46% of them.

  • NPI issued2015 · 46% of these records are older, 50% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2019 · median 2015 among the 404 with a school on file
  • Record last updated2022 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

477 clinical social worker records list a practice address in Reno

They are 477 of the 11,565 NPPES records with a practice address in Reno, and 2,164 clinical social worker records in Nevada.

All 2,164 in Nevada → Every provider in Reno → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Scott De Selle, LCSWReno, NV 895031679780100
  2. Barbara Frey, L.C.S.WReno, NV 895031053667501
  3. Randee Hill, LCSWReno, NV 895031629223920
  4. Megan Ingram, LCSW, LICSWReno, NV 895031619226743
  5. Cassi LevesqueReno, NV 895031417227232
  6. Megan McNemar, LCSWReno, NV 895031255624813
  7. Stacey Rice, LCSWReno, NV 895031558593434
  8. Laura Romano, LCSWReno, NV 895031588821029

Common questions

What is Nicholas Leroy Tieken, LCSW, LCADC's NPI number?

Nicholas Leroy Tieken, LCSW, LCADC's National Provider Identifier (NPI) is 1992196653, issued on Feb 16, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Leroy Tieken, LCSW, LCADC located?

The NPPES record lists a practice address at 580 W 5TH St, Reno, NV, 89503. Phone: (775) 786-4673. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Leroy Tieken, LCSW, LCADC's license?

NPPES lists Nevada license number 9739-C, as entered by the provider. Search the Nevada board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.