Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mark W. Viner, MD, Pllc

Psychiatry Physician in Sparks, NV · enumerated 2009 · authorized official Mark Viner, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1497080956

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Registry record

Entity type Organization (Type 2)

Legal business name Mark W. Viner, MD, Pllc

Practice address 145 Isidor Ct, Suite A, Sparks, NV, 89441

Phone (775) 772-6015

Fax (775) 424-6247

Enumeration date Oct 15, 2009

Last updated in NPPES Oct 15, 2009

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 6983 (NV) Primary

Authorized official

Name Mark Viner

Title President

Phone (775) 772-6015

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Mark W. Viner, MD, Pllc located?

The practice location on file with NPPES is in Sparks, NV.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2009-10-15. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Mark Viner Psychiatry Physician · Sparks, NV NPI 1790899805

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-10-15.