Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ronald M Hampel, OD

Optometrist in Portland, OR · enumerated 2005.

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

National Provider Identifier

1639151723

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Registry record

Entity type Individual (Type 1)

Name Dr. Ronald M Hampel

Credential OD

Sex Male

Practice address 10819 Se Stark St, Suite 200, Portland, OR, 97216

Phone (503) 255-2291

Fax (503) 252-1797

Enumeration date Nov 15, 2005

Last updated in NPPES Feb 20, 2021

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 2830AT (OR) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
232407	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

Where does Ronald Hampel practice?

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

What is the NPI number for Ronald Hampel?

The National Provider Identifier (NPI) for Ronald Hampel is 1639151723, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-20.