CHENG-HUNG TAI
NPI 1003310434
Internal Medicine - Gastroenterology in Greenwich, CT
About Cheng-hung Tai NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHENG-HUNG TAI (NPI 1003310434) is an individual gastroenterology provider in Greenwich, Connecticut, licensed in Connecticut (68743) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2018).
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
Cheng-hung Tai 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
3Medicare enrollment records show Cheng-hung Tai reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenwich, CT 06830
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Northeast Medical Group Inc
- 1,824 clinicians in this Medicare group
Greenwich, CT 06830
- Reassigned Medicare billing, Connecticut enrollment
- 268 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 417 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 06831 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.
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 Cheng-hung Tai's NPI number?
The NPI number for Cheng-hung Tai is 1003310434. It was assigned to this individual provider in the NPPES registry on March 21, 2018.
Where is Cheng-hung Tai located?
Cheng-hung Tai practices at 15 Valley Dr Fl 3, Greenwich, CT 06831. The listed phone number is (917) 497-7661.
What is Cheng-hung Tai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Cheng-hung Tai enrolled in Medicare?
Yes. Cheng-hung Tai 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 Cheng-hung Tai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cheng-hung Tai reassigns Medicare benefits to 3 organizations: Mill Hill Medical Consultants Inc (Greenwich, CT), Greenwich Hospital (Greenwich, CT) and Connecticut Gi PLLC (Hartford, 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 Cheng-hung Tai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cheng-hung Tai accept?
Health plans from Anthem Blue Cross and Blue Shield list Cheng-hung Tai 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 Cheng-hung Tai was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Cheng-Hung Tai · NPI 1003310434
Gastroenterology physician in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since March 21, 2018.
## Identity
- **NPI:** 1003310434 (Entity type: Individual)
- **Enumerated:** March 21, 2018
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 68743 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 15 VALLEY DR FL 3, Greenwich, CT 06831-5205
- **Phone:** (917) 497-7661
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mill Hill Medical Consultants Inc (NPI 1396755245, Greenwich, CT); Greenwich Hospital (NPI 1609846088, Greenwich, CT); Connecticut Gi PLLC (NPI 1023124625, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2018
## Record status
- **NPPES last updated:** June 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1003310434) · Data from the CMS NPPES public registry.