WINSTON SHIH M.D.
NPI 1598770364
Internal Medicine - Nephrology in Danbury, CT
About Winston Shih M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WINSTON SHIH M.D. (NPI 1598770364) is an individual nephrology provider in Danbury, Connecticut, licensed in Connecticut (029813) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1983).
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
Winston Shih 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 Winston Shih reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 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 13
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 06810 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.
DANBURY, CT 06810
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 Winston Shih's NPI number?
The NPI number for Winston Shih is 1598770364. It was assigned to this individual provider in the NPPES registry on July 30, 2006.
Where is Winston Shih located?
Winston Shih practices at 24 Hospital Ave, Danbury, CT 06810. The listed phone number is (203) 797-7104.
What is Winston Shih's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Winston Shih enrolled in Medicare?
Yes. Winston Shih 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 Winston Shih's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Winston Shih reassigns Medicare benefits to Nuvance Health Medical Practice Ct, Inc. (Danbury, CT). 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 Winston Shih's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Winston Shih accept?
Health plans from Anthem Blue Cross and Blue Shield list Winston Shih 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 Winston Shih was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Winston Shih, M.D. · NPI 1598770364
Nephrology physician in Danbury, Connecticut. Individual provider, active in the CMS NPPES registry since July 30, 2006.
## Identity
- **NPI:** 1598770364 (Entity type: Individual)
- **Enumerated:** July 30, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 029813 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 HOSPITAL AVE, Danbury, CT 06810-6099
- **Phone:** (203) 797-7104
## 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:** Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 1983
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN C34775 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1598770364) · Data from the CMS NPPES public registry.