DR. ISABEL LEEDS GROTH OD
NPI 1992699540
Optometrist in Lake Oswego, OR
About Dr. Isabel Leeds Groth Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ISABEL LEEDS GROTH OD (NPI 1992699540) is an individual optometrist in Lake Oswego, Oregon, licensed in Oregon (4816) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS, maintains a secondary practice location in Tigard, and is a graduate of University Of California - School Of Optometry (2025).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Isabel Leeds Groth Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Isabel Groth reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukie, OR 97222
- Reassigned Medicare billing, Oregon enrollment
- 85 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97035 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Isabel Groth's NPI number?
The NPI number for Isabel Groth is 1992699540. It was assigned to this individual provider in the NPPES registry on June 6, 2025.
Where is Isabel Groth located?
Isabel Groth practices at 9 Monroe Pkwy Ste 160, Lake Oswego, OR 97035. The listed phone number is (503) 636-2551.
What is Isabel Groth's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Isabel Groth enrolled in Medicare?
Yes. Isabel Groth is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Isabel Groth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isabel Groth reassigns Medicare benefits to Eye Health Northwest, PC (Milwaukie, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isabel Groth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Isabel Groth accept?
Health plans from Anthem Blue Cross and Blue Shield list Isabel Groth as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Isabel Groth was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Isabel Leeds Groth, OD · NPI 1992699540
Optometrist provider in Lake Oswego, Oregon. Individual provider, active in the CMS NPPES registry since June 6, 2025.
## Identity
- **NPI:** 1992699540 (Entity type: Individual)
- **Enumerated:** June 6, 2025
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 4816 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 9 MONROE PKWY STE 160, Lake Oswego, OR 97035-8863
- **Phone:** (503) 636-2551 · **Fax:** (503) 636-3055
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Eye Health Northwest, PC (NPI 1619959731, Milwaukie, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California - School Of Optometry, class of 2025
## Record status
- **NPPES last updated:** July 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1992699540) · Data from the CMS NPPES public registry.