EUGENIA YUPEI CHOCK M.D
NPI 1386955540
Internal Medicine - Rheumatology in New Haven, CT
About Eugenia Yupei Chock M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EUGENIA YUPEI CHOCK M.D (NPI 1386955540) is an individual rheumatology provider in New Haven, Connecticut, licensed in Connecticut (63695) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2008).
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
Eugenia Yupei Chock 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 Reassignments
2Medicare enrollment records show Eugenia Yupei Chock 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
- 3,728 clinicians in this Medicare group
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 468 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 06519 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.
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 Eugenia Yupei Chock's NPI number?
The NPI number for Eugenia Yupei Chock is 1386955540. It was assigned to this individual provider in the NPPES registry on June 23, 2010.
Where is Eugenia Yupei Chock located?
Eugenia Yupei Chock practices at 300 Cedar St # St541 Yusm, New Haven, CT 06519. The listed phone number is (203) 737-5430.
What is Eugenia Yupei Chock's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Eugenia Yupei Chock enrolled in Medicare?
Yes. Eugenia Yupei Chock 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 Eugenia Yupei Chock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugenia Yupei Chock reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Cornell Scott Hill Health Corporation (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 Eugenia Yupei Chock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eugenia Yupei Chock accept?
Health plans from Anthem Blue Cross and Blue Shield list Eugenia Yupei Chock 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 Eugenia Yupei Chock was last updated on January 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Eugenia Yupei Chock, M.D · NPI 1386955540
Rheumatology physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since June 23, 2010.
## Identity
- **NPI:** 1386955540 (Entity type: Individual)
- **Enumerated:** June 23, 2010
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 63695 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 CEDAR ST # ST541, YUSM, New Haven, CT 06519-1612
- **Phone:** (203) 737-5430
## 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): Yale University (NPI 1124148887, New Haven, CT); Cornell Scott Hill Health Corporation (NPI 1902921380, New Haven, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** January 20, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1386955540) · Data from the CMS NPPES public registry.