MEI XUE DONG
NPI 1366718538
Internal Medicine - Rheumatology in New Haven, CT
About Mei Xue Dong NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEI XUE DONG (NPI 1366718538) is an individual rheumatology provider in New Haven, Connecticut, licensed in Connecticut (54825) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in New Haven, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 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
Mei Xue Dong 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 Mei Dong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 468 clinicians in this Medicare group
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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 06511 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.
NEW HAVEN, CT 06511
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 Mei Dong's NPI number?
The NPI number for Mei Dong is 1366718538. It was assigned to this individual provider in the NPPES registry on March 31, 2012. The provider is also known as Xuemei Dong MD.
Where is Mei Dong located?
Mei Dong practices at 330 Orchard St, New Haven, CT 06511. The listed phone number is (203) 680-7050.
What is Mei Dong's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Mei Dong enrolled in Medicare?
Yes. Mei Dong 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 Mei Dong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mei Dong reassigns Medicare benefits to 2 organizations: Cornell Scott Hill Health Corporation (New Haven, CT) and Yale University (New Haven, CT). 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 Mei Dong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mei Dong accept?
Health plans from Anthem Blue Cross and Blue Shield list Mei Dong 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 Mei Dong was last updated on May 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mei Xue Dong · NPI 1366718538
Rheumatology physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since March 31, 2012.
## Identity
- **NPI:** 1366718538 (Entity type: Individual)
- **Enumerated:** March 31, 2012
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 54825 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 ORCHARD ST, New Haven, CT 06511
- **Phone:** (203) 680-7050 · **Fax:** (203) 680-7055
## 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): Cornell Scott Hill Health Corporation (NPI 1902921380, New Haven, CT); Yale University (NPI 1124148887, New Haven, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** May 12, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1366718538) · Data from the CMS NPPES public registry.