NPI Portal NPI Lookup & Verification

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

Mr. Carl Michael Herrell, MSW

Social Worker in Detroit, MI · enumerated 2007.

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

National Provider Identifier

1710025408

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Registry record

Entity type Individual (Type 1)
Name Mr. Carl Michael Herrell
Credential MSW
Sex Male
Practice address Detroit, MI, 48226
Phone (313) 965-2141
Fax (313) 961-4612
Enumeration date Feb 2, 2007
Last updated in NPPES Jun 19, 2013

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

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 6801058523 (MI) Secondary
104100000X Social Worker Behavioral Health & Social Service Providers · License 6801058523 (MI) 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 is the NPI number for Carl Herrell?
The National Provider Identifier (NPI) for Carl Herrell is 1710025408, a Type 1 (individual) record in the CMS NPPES registry.
Where does Carl Herrell practice?
The practice location on file with NPPES is in Detroit, MI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-06-19.