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

Mark L. Ziegler, ARNP, CRNFA, FNP

Q: What is the NPI number for Mark Ziegler?

The National Provider Identifier (NPI) for Mark Ziegler is 1316185549, a Type 1 (individual) record in the CMS NPPES registry.

Family Nurse Practitioner in Clarkston, WA · enumerated 2009.

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

National Provider Identifier

1316185549

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Registry record

Entity type Individual (Type 1)

Name Mark L. Ziegler

Credential ARNP, CRNFA, FNP

Sex Male

Practice address Clarkston, WA, 99403

Phone (208) 553-4434

Enumeration date Jan 26, 2009

Last updated in NPPES Aug 15, 2014

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

Taxonomy & licenses

163WR0006X Registered Nurse First Assistant Nursing Service Providers · License N-27433 (ID) Secondary

163WR0006X Registered Nurse First Assistant Nursing Service Providers · License RN 00125046 (WA) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP60167707 (WA) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License N-992A (ID) Primary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 201250130NP (OR) Secondary

163W00000X Registered Nurse Nursing Service Providers · License 201242017RN (OR) Secondary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP credential

Other identifiers

Identifier	Type	State	Issuer
201250130NP	Other	OR	OREGON NP LICENSE

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

Where does Mark Ziegler practice?

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

What is the NPI number for Mark Ziegler?

The National Provider Identifier (NPI) for Mark Ziegler is 1316185549, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-15.