GRANT LEE M.D.
NPI 1700109501
Ophthalmology in Los Angeles, CA
About Grant Lee M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRANT LEE M.D. (NPI 1700109501) is an individual ophthalmology provider in Los Angeles, California, licensed in California (NOT RECEIVED YET) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
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
Grant Lee M.d. 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 Grant Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rowland Heights, CA 91748
- Reassigned Medicare billing, California enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
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 Grant Lee's NPI number?
The NPI number for Grant Lee is 1700109501. It was assigned to this individual provider in the NPPES registry on March 8, 2010.
Where is Grant Lee located?
Grant Lee practices at 1100 N State St Lac/Usc Clinic Tower- Ophthalmology, Los Angeles, CA 90033. The listed phone number is (323) 409-5220.
What is Grant Lee's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Grant Lee enrolled in Medicare?
Yes. Grant Lee 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 Grant Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Lee reassigns Medicare benefits to Cornerstone Eye Center (Rowland Heights, CA). 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 Grant Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grant Lee accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Providence Health Plan list Grant Lee 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 Grant Lee was last updated on March 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.
# Grant Lee, M.D. · NPI 1700109501
Ophthalmology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 8, 2010.
## Identity
- **NPI:** 1700109501 (Entity type: Individual)
- **Enumerated:** March 8, 2010
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** NOT RECEIVED YET (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1100 N STATE ST, LAC/USC CLINIC TOWER- OPHTHALMOLOGY, Los Angeles, CA 90033-5000
- **Phone:** (323) 409-5220
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cornerstone Eye Center (NPI 1578806303, Rowland Heights, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** March 8, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1700109501) · Data from the CMS NPPES public registry.