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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Richard Siska Sr., NMAA, MIS

Nuclear Medicine Technology Radiologic Technologist in Rolla, MO · enumerated 2017.

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

National Provider Identifier

1851839716

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Registry record

Entity type Individual (Type 1)
Name Mr. Richard Siska Sr.
Credential NMAA, MIS
Sex Male
Practice address Rolla, MO, 65401
Phone (573) 458-6614
Enumeration date Feb 10, 2017
Last updated in NPPES Feb 10, 2017

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2471N0900X Nuclear Medicine Technology Radiologic Technologist Technologists, Technicians & Other Technical Service Providers Primary

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.

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Frequently asked questions

What specialty is Richard Siska?
Richard Siska is registered in NPPES with the primary taxonomy of Nuclear Medicine Technology Radiologic Technologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-10.