Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Sierra Anesthesia

Q: What is the NPI number for Sierra Anesthesia?

The NPI for Sierra Anesthesia is 1639128564, a Type 2 (organization) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in Pt Townsend, WA · enumerated 2006 · authorized official Marc Johnson, Crna.

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

National Provider Identifier

1639128564

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Registry record

Entity type Organization (Type 2)

Legal business name Sierra Anesthesia

Practice address 834 Sheridan St, Pt Townsend, WA, 98368

Phone (877) 261-6262

Fax (360) 733-9553

Enumeration date May 8, 2006

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Marc Johnson

Title Crna

Phone (877) 261-6262

Other identifiers

Identifier	Type	State	Issuer
9634213	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 Sierra Anesthesia?

The NPI for Sierra Anesthesia is 1639128564, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Sierra Anesthesia?

NPPES lists Marc Johnson (Crna) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.