NPI Portal NPI Lookup & Verification

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

Dr. John Steven Carlson, PHD

School Psychologist in East Lansing, MI · enumerated 2007.

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

National Provider Identifier

1760693956

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Registry record

Entity type Individual (Type 1)
Name Dr. John Steven Carlson
Credential PHD
Sex Male
Practice address East Lansing, MI, 48823
Phone (517) 282-7717
Enumeration date May 27, 2007
Last updated in NPPES Sep 11, 2025

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

Taxonomy & licenses

103TC2200X Clinical Child & Adolescent Psychologist Behavioral Health & Social Service Providers · License 6301011692 (MI) Secondary
103TS0200X School Psychologist Behavioral Health & Social Service Providers · License 6301011692 (MI) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier Type State Issuer
11273210 Other MI CAQH PROVIDER ID NUMBER

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 John Carlson?
John Carlson is registered in NPPES with the primary taxonomy of School Psychologist. 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 2025-09-11.