PUGET SOUND GASTROENTEROLOGY, PLLC
NPI 1649212606
Internal Medicine - Gastroenterology in Seattle, WA

Active since June 12, 2006
11027 MERIDIAN AVE N, SUITE 100, SEATTLE, WA 98133(206) 365-4492(206) 368-3456 Get Directions Write a Review

NPPES record last updated: May 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 16, 2025, Feb 13, 2025, Dec 12, 2019 (3 updates tracked since 2019).

About Puget Sound Gastroenterology, Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PUGET SOUND GASTROENTEROLOGY, PLLC (NPI 1649212606), doing business as Seattle Gastroenterology Associates, is a healthcare organization registered as a gastroenterology in Seattle, Washington and active in the NPI registry since June 2006. The organization lists Alan Oliver, Ceo, as its authorized official.

NPPES Registry Identity

NPI1649212606
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NamePUGET SOUND GASTROENTEROLOGY, PLLC
Location Address11027 MERIDIAN AVE N, SUITE 100Seattle, WA 98133-1705
Mailing AddressPo Box 34888Seattle, WA 98124-1888 · (425) 977-4620 · Fax (425) 745-9836
Fax(206) 368-3456
Organization SubpartNo
Authorized OfficialAlan OliverCeo · (786) 530-3820
Enumeration DateJune 12, 2006
Last NPPES UpdateMay 16, 20253 updates tracked since enumeration
NPPES CertifiedMay 16, 2025
✔ NPI 1649212606 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X · License 600388519 (WA)
11027 MERIDIAN AVE N, Seattle, WA 98133

Other Names 1

Doing Business AsSeattle Gastroenterology Associates

Other Identifiers 2

Medicaid1045049WA
Other0031330WA · Labor And Industries

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)

Puget Sound Gastroenterology, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

83

Medicare enrollment records show 83 clinicians reassign Medicare billing to Puget Sound Gastroenterology, PLLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 38 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Gastroenterology48
Nurse Practitioner27
Pathology6
Internal Medicine2

Nearest to this location (20)

See all 83
Gastroenterology
NPI 1598056673
11027 MERIDIAN AVE N STE 100
Seattle, WA 98133
(206) 365-4492
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1285825463
11027 MERIDIAN AVE N STE 100
Seattle, WA 98133
(206) 365-4492
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1497725238
11027 MERIDIAN AVE N SUITE 100
Seattle, WA 98133
(206) 365-4492
✔ PECOSSame address
Gastroenterology
NPI 1528039989
11027 MERIDIAN AVE N SUITE 100
Seattle, WA 98133
(206) 365-4492
✔ PECOSSame address
Gastroenterology
NPI 1750359105
11027 MERIDIAN AVE N SUITE 100
Seattle, WA 98133
(206) 365-4492
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1073658365
11027 MERIDIAN AVE N SUITE 100
Seattle, WA 98133
(206) 365-4492
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1831727361
5350 TALLMAN AVE NW STE 520
Seattle, WA 98107
(206) 215-4250
✔ PECOS✔ Accepts Medicare3.6 mi
Gastroenterology
NPI 1245312420
501 N 34TH ST STE 101
Seattle, WA 98103
(206) 838-1777
✔ PECOS✔ Accepts Medicare4.2 mi
Pathology
NPI 1013108455
1959 NE PACIFIC ST C212, BOX 356340
Seattle, WA 98195
(206) 543-0065
✔ PECOS4.4 mi
Gastroenterology
NPI 1730289554
825 EASTLAKE AVE E
Seattle, WA 98109
(206) 288-1000
✔ PECOS✔ Accepts Medicare5.7 mi
Gastroenterology
NPI 1003818709
125 16TH AVE E
Seattle, WA 98112
(206) 326-3000
✔ PECOS✔ Accepts Medicare6.4 mi
Gastroenterology
NPI 1912924739
21600 HWY 99 SUITE 260
Edmonds, WA 98026
(425) 774-2650
✔ PECOS✔ Accepts Medicare6.4 mi
Gastroenterology
NPI 1174544712
21600 HWY 99 SUITE 260
Edmonds, WA 98026
(425) 774-2650
✔ PECOS✔ Accepts Medicare6.4 mi
Nurse Practitioner
NPI 1972581387
21600 HIGHWAY 99 STE 230
Edmonds, WA 98026
(206) 215-4250
✔ PECOS✔ Accepts Medicare6.4 mi
Nurse Practitioner
NPI 1912268004
21600 HIGHWAY 99 STE 260
Edmonds, WA 98026
(425) 774-2650
✔ PECOS✔ Accepts Medicare6.4 mi
Nurse Practitioner
NPI 1669808341
1145 BROADWAY
Seattle, WA 98122
(206) 329-1760
✔ PECOS✔ Accepts Medicare6.7 mi
Nurse Practitioner
NPI 1770936676
1221 MADISON ST STE 1220
Seattle, WA 98104
(206) 215-4250
✔ PECOS✔ Accepts Medicare6.9 mi
Pathology
NPI 1790041374
550 17TH AVE STE 300
Seattle, WA 98122
(425) 697-3400
✔ PECOS✔ Accepts Medicare7.2 mi
Pathology
NPI 1447484746
1737 AIRPORT WAY S STE 201
Seattle, WA 98134
(206) 374-9000
✔ PECOS✔ Accepts Medicare8.5 mi
Pathology
NPI 1972036234
19000 33RD AVE W STE 230
Lynnwood, WA 98036
(425) 686-7138
✔ PECOS✔ Accepts Medicare8.5 mi
See all 83 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Puget Sound Gastroenterology, PLLC's NPI number?

The NPI number for Puget Sound Gastroenterology, PLLC is 1649212606. It was assigned to this organization in the NPPES registry on June 12, 2006. The provider is doing business as Seattle Gastroenterology Associates.

Where is Puget Sound Gastroenterology, PLLC located?

Puget Sound Gastroenterology, PLLC is located at 11027 Meridian Ave N Suite 100, Seattle, WA 98133. The listed phone number is (206) 365-4492.

What is Puget Sound Gastroenterology, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Puget Sound Gastroenterology, PLLC enrolled in Medicare?

Yes. Puget Sound Gastroenterology, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Puget Sound Gastroenterology, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 83 clinicians in 4 Medicare specialties reassign their Medicare billing to Puget Sound 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 Gastroenterology (48), Nurse Practitioner (27) and Pathology (6). Of these, 6 practice at this address and 38 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Puget Sound Gastroenterology, PLLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Puget Sound 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 Puget Sound Gastroenterology, PLLC was last updated on May 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.