Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Michael F Rossik, RPH
Pharmacist in Worcester, MA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154611788
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Registry record
Entity type Individual (Type 1)
Name Mr. Michael F Rossik
Credential RPH
Sex Male
Practice address 348 Greenwood St, Worcester, MA, 01607
Phone (508) 752-1911
Fax (508) 752-3553
Enumeration date Apr 16, 2011
Last updated in NPPES Apr 16, 2011
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH 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.
Frequently asked questions
What specialty is Michael Rossik?
Michael Rossik is registered in NPPES with the primary taxonomy of Pharmacist. 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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-16.