GUANG H LIM OD
NPI 1972359867
Optometrist in Southfield, MI
About Guang H Lim Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUANG H LIM OD (NPI 1972359867) is an individual optometrist in Southfield, Michigan, licensed in Michigan (4901005775) and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS and is a graduate of Ferris State College - College Of Optometry (2024).
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
Guang H Lim 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 Guang Lim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Troy, MI 48083
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: P-Cor LLC
- 125 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.
Areas of Expertise CMS Part B claims
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 48076 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTHFIELD, MI 48076
SOUTHFIELD, MI 48076
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 Guang Lim's NPI number?
The NPI number for Guang Lim is 1972359867. It was assigned to this individual provider in the NPPES registry on April 30, 2024.
Where is Guang Lim located?
Guang Lim practices at 29350 Southfield Rd, Southfield, MI 48076. The listed phone number is (248) 647-9790.
What is Guang Lim's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Guang Lim enrolled in Medicare?
Yes. Guang Lim 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 Guang Lim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guang Lim reassigns Medicare benefits to Pcor, LLC (Troy, MI). 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 Guang Lim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Guang Lim accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 13 other insurers list Guang Lim 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 Guang Lim was last updated on September 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Guang H Lim, OD · NPI 1972359867
Optometrist provider in Southfield, Michigan. Individual provider, active in the CMS NPPES registry since April 30, 2024.
## Identity
- **NPI:** 1972359867 (Entity type: Individual)
- **Enumerated:** April 30, 2024
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 4901005775 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 29350 SOUTHFIELD RD, Southfield, MI 48076-2011
- **Phone:** (248) 647-9790
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Pcor, LLC (NPI 1801122460, Troy, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ferris State College - College Of Optometry, class of 2024
## Record status
- **NPPES last updated:** September 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1972359867) · Data from the CMS NPPES public registry.