LORRAINE CALUM CHENG OD
NPI 1821624164
Optometrist in Los Angeles, CA
About Lorraine Calum Cheng Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LORRAINE CALUM CHENG OD (NPI 1821624164) is an individual optometrist in Los Angeles, California, licensed in California (34563) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Lorraine Calum Cheng 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 Lorraine Cheng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 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 90095 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.
Other Providers at the Same Location NPPES 5
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 Lorraine Cheng's NPI number?
The NPI number for Lorraine Cheng is 1821624164. It was assigned to this individual provider in the NPPES registry on March 18, 2020.
Where is Lorraine Cheng located?
Lorraine Cheng practices at 300 Stein Plaza 2nd Floor, Los Angeles, CA 90095. The listed phone number is (310) 825-2737.
What is Lorraine Cheng's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Lorraine Cheng enrolled in Medicare?
Yes. Lorraine Cheng 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 Lorraine Cheng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lorraine Cheng reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, 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 Lorraine Cheng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Lorraine Cheng was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Lorraine Calum Cheng, OD · NPI 1821624164
Optometrist provider in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 18, 2020.
## Identity
- **NPI:** 1821624164 (Entity type: Individual)
- **Enumerated:** March 18, 2020
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 34563 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 STEIN PLAZA 2ND FLOOR, Los Angeles, CA 90095-1003
- **Phone:** (310) 825-2737
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** October 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1821624164) · Data from the CMS NPPES public registry.