NPI Portal NPI Lookup & Verification

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

Christina Lynne Johnson, M.A., L.L.P.

Clinical Psychologist in Shelby Township, MI · enumerated 2008.

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

National Provider Identifier

1548416464

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Registry record

Entity type Individual (Type 1)
Name Christina Lynne Johnson
Credential M.A., L.L.P.
Sex Female
Practice address Shelby Township, MI, 48317
Fax (586) 323-3568
Enumeration date Aug 12, 2008
Last updated in NPPES Jul 1, 2015

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

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 6301013793 (MI) Primary

Other identifiers

Identifier Type State Issuer
20576 Other MI BCBSM SUBSTANCE ABUSE
1705289 Medicaid MI -
028363 Other MI VALUE OPTIONS
7509105060 Other MI BCBSM
5266701 Other MI AETNA

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Christina Johnson?
Christina Johnson is registered in NPPES with the primary taxonomy of Clinical 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 2015-07-01.