WASHINGTON GASTROENTEROLOGY PLLC
NPI 1306364401
Internal Medicine - Gastroenterology in Tacoma, WA
About Washington Gastroenterology Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WASHINGTON GASTROENTEROLOGY PLLC (NPI 1306364401) is a healthcare organization registered as a gastroenterology in Tacoma, Washington and active in the NPI registry since September 2017. The organization holds a CLIA Waiver certificate valid through April 4, 2028, maintains 7 additional practice locations, and lists Ralph J Katsman, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 6
Secondary Practice Locations 7
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Washington Gastroenterology Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
148Medicare enrollment records show 148 clinicians reassign Medicare billing to Washington Gastroenterology PLLC, which bills Medicare for the services they deliver. Of these, 25 practice at this address and 41 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 6
Nearest to this location (20)
See all 148Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 50D2192899
Washington Gastroenterology Research · Tacoma, WAFrequently 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 Washington Gastroenterology PLLC's NPI number?
The NPI number for Washington Gastroenterology PLLC is 1306364401. It was assigned to this organization in the NPPES registry on September 8, 2017.
Where is Washington Gastroenterology PLLC located?
Washington Gastroenterology PLLC is located at 2202 S Cedar St Ste 330, Tacoma, WA 98405. The listed phone number is (253) 272-5127.
What is Washington Gastroenterology PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Washington Gastroenterology PLLC enrolled in Medicare?
Yes. Washington Gastroenterology PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Washington Gastroenterology PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 148 clinicians in 6 Medicare specialties reassign their Medicare billing to Washington Gastroenterology PLLC. A 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 the clinician's services. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (61), Gastroenterology (42) and Nurse Practitioner (30). Of these, 25 practice at this address and 41 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Washington Gastroenterology PLLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 50D2192899) is associated with this NPI, valid through April 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Washington Gastroenterology PLLC accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Washington Gastroenterology PLLC 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 Washington Gastroenterology PLLC was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Washington Gastroenterology Pllc · NPI 1306364401
Gastroenterology organization in Tacoma, Washington. Organization record, active in the CMS NPPES registry since September 8, 2017.
## Identity
- **NPI:** 1306364401 (Entity type: Organization)
- **Enumerated:** September 8, 2017
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Ralph Katsman, PRESIDENT
## Practice location
- **Address:** 2202 S CEDAR ST STE 330, Tacoma, WA 98405-2318
- **Phone:** (253) 272-5127 · **Fax:** (253) 272-0811
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 148 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (61), Gastroenterology (42), Nurse Practitioner (30); 25 practice at this address and 41 within 10 miles; [full list](https://npiprofile.com/npi/1306364401/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 1, 2024
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1306364401) · Data from the CMS NPPES public registry.