Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Joseph J Volk, PHARM.D.

Pharmacotherapy Pharmacist in Spearfish, SD · enumerated 2006.

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

National Provider Identifier

1801835665

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Registry record

Entity type Individual (Type 1)

Name Dr. Joseph J Volk

Credential PHARM.D.

Sex Male

Practice address 1812 Iron Horse Loop, Spearfish, SD, 57783

Phone (605) 645-1559

Enumeration date Jun 6, 2006

Last updated in NPPES Jul 6, 2009

Taxonomy & licenses

1835P1200X Pharmacotherapy Pharmacist Pharmacy Service Providers · License 5192 (SD) Primary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Joseph Volk?

Joseph Volk is registered in NPPES with the primary taxonomy of Pharmacotherapy Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-07-06.