DR. CATHERINE M TSAI MD
NPI 1356337935
Internal Medicine - Gastroenterology in Spokane, WA
About Dr. Catherine M Tsai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CATHERINE M TSAI MD (NPI 1356337935) is an individual gastroenterology provider in Spokane, Washington, licensed in Washington (MD00039114) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp., and is a graduate of University Of California, Geffen School Of Medicine (1998).
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
Dr. Catherine M Tsai Md 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 Catherine Tsai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- 862 clinicians in this Medicare group
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Spokane Digestive Disease Center Ps
- 57 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 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prov Sacred Hrt Med Ctr & Childs Hosp.
Acute Care Hospitals · Spokane, WAProvidence Holy Family Hospital
Acute Care Hospitals · Spokane, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99208 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPOKANE, WA 99208
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 Catherine Tsai's NPI number?
The NPI number for Catherine Tsai is 1356337935. It was assigned to this individual provider in the NPPES registry on September 20, 2005.
Where is Catherine Tsai located?
Catherine Tsai practices at 212 E Central Ave Ste 245, Spokane, WA 99208. The listed phone number is (509) 489-2600.
What is Catherine Tsai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Catherine Tsai enrolled in Medicare?
Yes. Catherine 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 organizations bill Medicare for Catherine Tsai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Tsai reassigns Medicare benefits to 2 organizations: Providence Health & Services Washington (Spokane, WA) and Spokane Digestive Disease Center, P.S. (Spokane, WA). 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 Catherine Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Tsai accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Catherine Tsai 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.
Is Catherine Tsai affiliated with any hospitals?
According to CMS data, Catherine Tsai is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp. and Providence Holy Family Hospital.
When was this NPI record last updated?
The NPPES record for Catherine Tsai was last updated on August 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Catherine M Tsai, MD · NPI 1356337935
Gastroenterology physician in Spokane, Washington. Individual provider, active in the CMS NPPES registry since September 20, 2005.
## Identity
- **NPI:** 1356337935 (Entity type: Individual)
- **Enumerated:** September 20, 2005
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD00039114 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 212 E CENTRAL AVE STE 245, Spokane, WA 99208-6289
- **Phone:** (509) 489-2600
## 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): Providence Health & Services Washington (NPI 1194099390, Spokane, WA); Spokane Digestive Disease Center, P.S. (NPI 1699808873, Spokane, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** August 23, 2023
- **Other identifiers:** Other MD00039114 (WA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1356337935) · Data from the CMS NPPES public registry.