Washington Gastroenterology PLLC
NPI 1306364401 · Gastroenterology Physician · Tacoma, WA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Washington Gastroenterology PLLC is a Gastroenterology Physician organization in Tacoma, WA (NPI 1306364401).
Provider details
- NPI number
- 1306364401
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ralph Katsman, President(253) 383-8342
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Anesthesiology Physician207L00000X
Allopathic & Osteopathic Physicians
- Clinical Medical Laboratory291U00000X
Laboratories
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
- Family Nurse Practitioner363LF0000X
Physician Assistants & Advanced Practice Nursing Providers
- Certified Registered Nurse Anesthetist367500000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
8 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (7)
- 202 N Division St Ste 304Auburn, WA 98001-4939Phone: (253) 939-9400Fax: (253) 735-8697
- 33915 1st Way S Ste 200Federal Way, WA 98003-6396Phone: (253) 838-9839Fax: (253) 661-9077
- 2727 Hollycroft St Ste 380Gig Harbor, WA 98335-1346Phone: (253) 858-0112Fax: (253) 858-6818
- 17700 Se 272nd St Ste 420Kent, WA 98042-4951Phone: (253) 639-9660Fax: (253) 372-7072
- 11216 Sunrise Blvd E Ste 3-207Puyallup, WA 98374-8848Phone: (253) 770-3700Fax: (253) 435-7019
- 1703 S Meridian Ste 305Puyallup, WA 98371-7590Phone: (253) 841-3933Fax: (253) 848-7970
- 2202 S Cedar St Ste 340Tacoma, WA 98405-2318Phone: (253) 503-2559Fax: (253) 503-2519
Registry dates
- Enumerated
- 2017-09-08
- Last updated
- 2024-05-01
- Certified
- 2024-05-01
Frequently asked questions
- What is Washington Gastroenterology PLLC's NPI number?
- Washington Gastroenterology PLLC's National Provider Identifier (NPI) is 1306364401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Washington Gastroenterology PLLC?
- Washington Gastroenterology PLLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Washington Gastroenterology PLLC located?
- Washington Gastroenterology PLLC's practice location on file with NPPES is 2202 S Cedar St Ste 330, Tacoma, WA 98405-2318.
- What is Washington Gastroenterology PLLC's phone number?
- The practice phone number listed in the NPPES registry for Washington Gastroenterology PLLC is (253) 272-5127.
- Does Washington Gastroenterology PLLC accept Medicare?
- Washington Gastroenterology PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Washington Gastroenterology PLLC?
- The authorized official listed on Washington Gastroenterology PLLC's NPPES record is Ralph Katsman, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Washington Gastroenterology PLLC's NPI active?
- Yes — Washington Gastroenterology PLLC's NPI (1306364401) is active in the NPPES registry as of the last update on 2024-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.