WEI LOONG GLENN KOH MD
NPI 1013101633
Surgery in Modesto, CA
About Wei Loong Glenn Koh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WEI LOONG GLENN KOH MD (NPI 1013101633) is an individual surgery provider in Modesto, California, licensed in California (A118722) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Wei Loong Glenn Koh Md 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 Reassignments
5Medicare enrollment records show Wei Loong Glenn Koh reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- 534 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 clinicians in this Medicare group
Los Banos, CA 93635
- Reassigned Medicare billing, California enrollment
- 91 clinicians in this Medicare group
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- 266 clinicians in this Medicare group
Bakersfield, CA 93311
- Reassigned Medicare billing, California enrollment
- 532 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 2
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 95356 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MODESTO, CA 95356
MODESTO, CA 95356
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 Wei Loong Glenn Koh's NPI number?
The NPI number for Wei Loong Glenn Koh is 1013101633. It was assigned to this individual provider in the NPPES registry on August 28, 2007. The provider is also known as Glenn Koh MD.
Where is Wei Loong Glenn Koh located?
Wei Loong Glenn Koh practices at 4601 Dale Rd Suite 4a5, Modesto, CA 95356. The listed phone number is (925) 200-1811.
What is Wei Loong Glenn Koh's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Wei Loong Glenn Koh enrolled in Medicare?
Yes. Wei Loong Glenn Koh 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 organizations bill Medicare for Wei Loong Glenn Koh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wei Loong Glenn Koh reassigns Medicare benefits to 5 organizations: County Of San Joaquin (Manteca, CA), San Joaquin Faculty Medical Group (French Camp, CA), Surgical Affiliates Of California (Los Banos, CA), Acute Care Surgery Medical Group, Inc. (Sacramento, CA) and Kern County Hospital Authority (Bakersfield, CA). Each 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 Wei Loong Glenn Koh'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 Wei Loong Glenn Koh was last updated on February 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Wei Loong Glenn Koh, MD · NPI 1013101633
Surgery physician in Modesto, California. Individual provider, active in the CMS NPPES registry since August 28, 2007.
## Identity
- **NPI:** 1013101633 (Entity type: Individual)
- **Enumerated:** August 28, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A118722 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4601 DALE RD, SUITE 4A5, Modesto, CA 95356-9718
- **Phone:** (925) 200-1811
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): County Of San Joaquin (NPI 1417407636, Manteca, CA); San Joaquin Faculty Medical Group (NPI 1225063761, French Camp, CA); Surgical Affiliates Of California (NPI 1932440781, Los Banos, CA); Acute Care Surgery Medical Group, Inc. (NPI 1700069549, Sacramento, CA); Kern County Hospital Authority (NPI 1184420630, Bakersfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** February 13, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1013101633) · Data from the CMS NPPES public registry.