DR. KATHERINE SHUANG-CHYUANG TSAI M.D.
NPI 1316084205
Internal Medicine in Denver, CO
About Dr. Katherine Shuang-chyuang Tsai M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE SHUANG-CHYUANG TSAI M.D. (NPI 1316084205) is an individual internal medicine provider in Denver, Colorado, licensed in Missouri (2006008803) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Katherine Shuang-chyuang Tsai 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 Katherine Tsai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80230
- Reassigned Medicare billing, Colorado enrollment
- 19 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 10
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 80230 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER, CO 80230
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 Katherine Tsai's NPI number?
The NPI number for Katherine Tsai is 1316084205. It was assigned to this individual provider in the NPPES registry on January 31, 2007.
Where is Katherine Tsai located?
Katherine Tsai practices at 125 Rampart Way Suite 200, Denver, CO 80230. The listed phone number is (720) 858-7434.
What is Katherine Tsai's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Katherine Tsai enrolled in Medicare?
Yes. Katherine Tsai 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 Katherine Tsai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Tsai reassigns Medicare benefits to Colorado Allergy And Asthma Centers, PC (Denver, CO). 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 Katherine Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Katherine Tsai was last updated on March 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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. Katherine Shuang-Chyuang Tsai, M.D. · NPI 1316084205
Internal Medicine physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since January 31, 2007.
## Identity
- **NPI:** 1316084205 (Entity type: Individual)
- **Enumerated:** January 31, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2006008803 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 RAMPART WAY, SUITE 200, Denver, CO 80230-6406
- **Phone:** (720) 858-7434
## 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:** Colorado Allergy And Asthma Centers, PC (NPI 1417986134, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** March 29, 2010
- **Other identifiers:** Other 1316084205
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Source: [NPI Profile](https://npiprofile.com/npi/1316084205) · Data from the CMS NPPES public registry.