Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Frank Y Lam, O.D.
Optometrist in Klamath Falls, OR · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558331645
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Registry record
Entity type Individual (Type 1)
Name Mr. Frank Y Lam
Credential O.D.
Sex Male
Practice address 705 Main St, Klamath Falls, OR, 97601
Phone (541) 850-5253
Fax (541) 880-5595
Enumeration date Jan 23, 2006
Last updated in NPPES Oct 16, 2007
Taxonomy & licenses
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 |
|---|---|---|---|
| 079582 | 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.
Frequently asked questions
Where does Frank Lam practice?
The practice location on file with NPPES is in Klamath Falls, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Frank Lam?
The National Provider Identifier (NPI) for Frank Lam is 1558331645, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-16.