DR. DAVID BENJAMIN LIANG M.D.
NPI 1619178027
Internal Medicine - Gastroenterology in Edmonds, WA
About Dr. David Benjamin Liang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID BENJAMIN LIANG M.D. (NPI 1619178027) is an individual gastroenterology provider in Edmonds, Washington, licensed in Washington (MD60197486) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
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. David Benjamin Liang 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 Reassignments
7Medicare enrollment records show David Liang reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Edmonds, WA 98026
- Reassigned Medicare billing, Washington enrollment
- 83 clinicians in this Medicare group
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 clinicians in this Medicare group
Silverdale, WA 98383
- Reassigned Medicare billing, Washington enrollment
- 1,526 clinicians in this Medicare group
Granite Falls, WA 98252
- Reassigned Medicare billing, Washington enrollment
- 463 clinicians in this Medicare group
Bellingham, WA 98225
- Reassigned Medicare billing, Washington enrollment
- 390 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 clinicians in this Medicare group
Longview, WA 98632
- Reassigned Medicare billing, Washington enrollment
- 308 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 15
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.
St Joseph Hospital
Acute Care Hospitals · Bellingham, WAYakima Valley Memorial
Acute Care Hospitals · Yakima, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98026 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EDMONDS, WA 98026
EDMONDS, WA 98026
EDMONDS, WA 98026
EDMONDS, WA 98026
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 David Liang's NPI number?
The NPI number for David Liang is 1619178027. It was assigned to this individual provider in the NPPES registry on May 31, 2007.
Where is David Liang located?
David Liang practices at 21600 Highway 99 Ste 260, Edmonds, WA 98026. The listed phone number is (425) 774-2650.
What is David Liang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is David Liang enrolled in Medicare?
Yes. David Liang 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 David Liang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Liang reassigns Medicare benefits to 7 organizations: Puget Sound Gastroenterology, PLLC (Edmonds, WA), Kaiser Foundation Health Plan Of Washington (Seattle, WA), Franciscan Medical Group (Silverdale, WA), Public Hospital Dist No 1 Skagit (Granite Falls, WA), Peacehealth (Bellingham, WA) and 2 more organizations, listed in the Medicare section above. 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 David Liang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Liang accept?
Health plans from Ambetter Health, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska and 1 other insurer list David Liang 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 David Liang affiliated with any hospitals?
According to CMS data, David Liang is affiliated with St Joseph Hospital and Yakima Valley Memorial.
When was this NPI record last updated?
The NPPES record for David Liang was last updated on October 11, 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.
# Dr. David Benjamin Liang, M.D. · NPI 1619178027
Gastroenterology physician in Edmonds, Washington. Individual provider, active in the CMS NPPES registry since May 31, 2007.
## Identity
- **NPI:** 1619178027 (Entity type: Individual)
- **Enumerated:** May 31, 2007
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD60197486 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 21600 HIGHWAY 99 STE 260, Edmonds, WA 98026-8049
- **Phone:** (425) 774-2650 · **Fax:** (425) 774-2643
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Puget Sound Gastroenterology, PLLC (NPI 1033132956, Edmonds, WA); Kaiser Foundation Health Plan Of Washington (NPI 1396810701, Seattle, WA); Franciscan Medical Group (NPI 1710432612, Silverdale, WA); Public Hospital Dist No 1 Skagit (NPI 1033164470, Granite Falls, WA); Peacehealth (NPI 1356309553, Bellingham, WA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** October 11, 2024
- **Other identifiers:** Medicaid 2048950 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1619178027) · Data from the CMS NPPES public registry.