Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Isabel Leeds Groth, OD
Optometrist in Lake Oswego, OR · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992699540
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Registry record
Entity type Individual (Type 1)
Name Dr. Isabel Leeds Groth
Credential OD
Sex Female
Practice address 9 Monroe Pkwy Ste 160, Lake Oswego, OR, 97035
Phone (503) 636-2551
Fax (503) 636-3055
Enumeration date Jun 6, 2025
Last updated in NPPES Jul 24, 2026
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
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
What is the NPI number for Isabel Groth?
The National Provider Identifier (NPI) for Isabel Groth is 1992699540, a Type 1 (individual) record in the CMS NPPES registry.
Where does Isabel Groth practice?
The practice location on file with NPPES is in Lake Oswego, OR. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jeffrey Garrett Optometrist · Lake Oswego, OR NPI 1144204025 Oregon Eye Specialists, PC Eyewear Supplier · Lake Oswego, OR NPI 1629186788 Oregon Eye Specialists PC Ophthalmology Physician · Lake Oswego, OR NPI 1417126061 Jacqueline Ng Ophthalmology Physician · Lake Oswego, OR NPI 1033435961 Nisha Nagarkatti-Gude Ophthalmology Physician · Lake Oswego, OR NPI 1053675835 Eye Health Northwest P.C. Ophthalmology Physician · Lake Oswego, OR NPI 1790445724 Christine Ryu Ophthalmology Physician · Lake Oswego, OR NPI 1821615808
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-24.