DR. LING MEI
NPI 1285902684
Internal Medicine - Gastroenterology in Milwaukee, WI
About Dr. Ling Mei NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LING MEI (NPI 1285902684) is an individual gastroenterology provider in Milwaukee, Wisconsin, licensed in Wisconsin (57108) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Ling Mei 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
2Medicare enrollment records show Ling Mei reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 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 9
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Froedtert Memorial Lutheran Hospital
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Ling Mei's NPI number?
The NPI number for Ling Mei is 1285902684. It was assigned to this individual provider in the NPPES registry on December 13, 2011.
Where is Ling Mei located?
Ling Mei practices at 9200 W Wisconsin Ave Division Of Gastroenterology, Milwaukee, WI 53226. The listed phone number is (414) 955-6830.
What is Ling Mei's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Ling Mei enrolled in Medicare?
Yes. Ling Mei 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 Ling Mei's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ling Mei reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). 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 Ling Mei's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ling Mei accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Network Health list Ling Mei 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.
Is Ling Mei affiliated with any hospitals?
According to CMS data, Ling Mei is affiliated with Froedtert Memorial Lutheran Hospital.
When was this NPI record last updated?
The NPPES record for Ling Mei was last updated on August 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Ling Mei · NPI 1285902684
Gastroenterology physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since December 13, 2011.
## Identity
- **NPI:** 1285902684 (Entity type: Individual)
- **Enumerated:** December 13, 2011
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 57108 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, DIVISION OF GASTROENTEROLOGY, Milwaukee, WI 53226-3522
- **Phone:** (414) 955-6830 · **Fax:** (414) 955-6214
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** August 12, 2015
- **Other identifiers:** Medicare PIN K400232473 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1285902684) · Data from the CMS NPPES public registry.