DR. WEIMING LI M.D.
NPI 1912968090
Internal Medicine in Ridgefield, CT
About Dr. Weiming Li M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WEIMING LI M.D. (NPI 1912968090) is an individual internal medicine provider in Ridgefield, Connecticut, licensed in Connecticut (045224) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Weiming Li 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 Weiming Li reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 6
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 06877 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 8
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 Weiming Li's NPI number?
The NPI number for Weiming Li is 1912968090. It was assigned to this individual provider in the NPPES registry on March 29, 2006.
Where is Weiming Li located?
Weiming Li practices at 21 South St, Ridgefield, CT 06877. The listed phone number is (203) 438-6541.
What is Weiming Li's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Weiming Li enrolled in Medicare?
Yes. Weiming Li 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 Weiming Li's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Weiming Li reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Weiming Li'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 Weiming Li was last updated on September 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Weiming Li, M.D. · NPI 1912968090
Internal Medicine physician in Ridgefield, Connecticut. Individual provider, active in the CMS NPPES registry since March 29, 2006.
## Identity
- **NPI:** 1912968090 (Entity type: Individual)
- **Enumerated:** March 29, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 045224 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 21 SOUTH ST, Ridgefield, CT 06877
- **Phone:** (203) 438-6541 · **Fax:** (203) 431-0947
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** September 10, 2021
- **Other identifiers:** Medicaid 402605500 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1912968090) · Data from the CMS NPPES public registry.