Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marsha L Lorentson, P.A.

Physician Assistant in Olympia, WA · enumerated 2007.

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

National Provider Identifier

1922141654

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Registry record

Entity type Individual (Type 1)

Name Marsha L Lorentson

Credential P.A.

Sex Female

Practice address 700 Lilly Rd Ne, Olympia, WA, 98506

Phone (360) 923-7000

Enumeration date Feb 14, 2007

Last updated in NPPES May 8, 2008

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License AP30001090 (WA) Primary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN00039449 (WA) Secondary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier	Type	State	Issuer
8305419	Medicaid	WA	-

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 is the NPI number for Marsha Lorentson?

The National Provider Identifier (NPI) for Marsha Lorentson is 1922141654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marsha Lorentson practice?

The practice location on file with NPPES is in Olympia, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-08.