Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marcellina Johnson, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner in Santa Fe Springs, CA · enumerated 2010.

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

National Provider Identifier

1346544830

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Registry record

Entity type Individual (Type 1)

Name Marcellina Johnson

Credential PMHNP-BC

Sex Female

Practice address 12215 Telegraph Rd Ste 107, Santa Fe Springs, CA, 90670

Phone (925) 282-1778

Fax (415) 296-5299

Enumeration date Dec 27, 2010

Last updated in NPPES Sep 25, 2026

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 457076 (CA) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 182456 (CA) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Marcellina Johnson?

Marcellina Johnson is registered in NPPES with the primary taxonomy of Psychiatric/Mental Health Nurse Practitioner. 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 2026-09-25.