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

John Clark Miller, LCSW

Q: What is the NPI number for John Miller?

The National Provider Identifier (NPI) for John Miller is 1174643738, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Manzanita, OR · enumerated 2007.

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

National Provider Identifier

1174643738

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name John Clark Miller

Credential LCSW

Sex Male

Practice address Manzanita, OR, 97130

Phone (971) 324-0061

Fax (971) 606-2001

Enumeration date Mar 29, 2007

Last updated in NPPES Apr 23, 2020

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

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 12-03-71 (OR) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License L5461 (OR) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
500671647	Medicaid	OR	-

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 John Miller?

The National Provider Identifier (NPI) for John Miller is 1174643738, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Miller practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-23.