Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Brennan Tolman, B.A.
Counselor in Worcester, MA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174811350
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Registry record
Entity type Individual (Type 1)
Name Michael Brennan Tolman
Credential B.A.
Sex Male
Practice address 484 Main Street, Worcester, MA, 01608
Phone (508) 890-6519
Fax (508) 363-0562
Enumeration date Jul 21, 2011
Last updated in NPPES Jul 21, 2011
Taxonomy & licenses
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 Tolman?
Michael Tolman is registered in NPPES with the primary taxonomy of Counselor. 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 2011-07-21.