DR. DAVID BENJAMIN LIANG M.D.
NPI 1619178027
Internal Medicine - Gastroenterology in Edmonds, WA

Active since May 31, 2007PECOS EnrolledAccepts Medicare Assignment
83.45/100
CMS Quality Rating
21600 HIGHWAY 99 STE 260, EDMONDS, WA 98026(425) 774-2650(425) 774-2643 Get Directions Write a Review

NPPES record last updated: October 11, 2024. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Oct 11, 2024, Sep 26, 2024, Aug 15, 2024 and 2 more (5 updates tracked since 2024).

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

NPI1619178027
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. DAVID BENJAMIN LIANGCredential: M.D.
Location Address21600 HIGHWAY 99 STE 260Edmonds, WA 98026-8049
Mailing Address10921 115th Ct Ne Apt C201Kirkland, WA 98033-3823 · (202) 271-4503
Fax(425) 774-2643
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2004
Enumeration DateMay 31, 2007
Last NPPES UpdateOctober 11, 20245 updates tracked since enumeration
NPPES CertifiedOctober 11, 2024
NPI 1619178027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in WA · MD60197486 Licensed in NV · 14761
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.
21600 HIGHWAY 99 STE 260, Edmonds, WA 98026

Secondary Practice Locations 4

Location 11615 Delaware StLongview, WA 98632-2367 · Phone (360) 414-2730 · Fax (360) 414-2739
Location 24545 Cordata Pkwy Ste 1BBellingham, WA 98226-7264 · Phone (360) 752-5216 · Fax (360) 752-5656
Location 31818 Cole St Fl 1Enumclaw, WA 98022-3504 · Phone (360) 802-5023 · Fax (360) 802-5039
Location 4125 16th Ave ESeattle, WA 98112-5211 · Phone (206) 326-3000 · Fax (877) 515-2975

Other Identifiers 1

Medicaid2048950WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID6800948456
PECOS Enrollment IDI20151116002361
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
131 services130 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
101 services101 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
80 services80 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
58 services30 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
46 services46 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
44 services43 patients

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, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500030
Location2901 Squalicum ParkwayBellingham, WA 98225 · Whatcom County
Emergency services Birthing friendly

Yakima Valley Memorial

Acute Care Hospitals · Yakima, WA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500036
Location2811 Tieton DriveYakima, WA 98902 · Yakima County
Emergency services Birthing friendly

Physician 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.

New Patient
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

83.45/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.1
Promoting Interoperability88
Improvement Activities40

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
21600 HIGHWAY 99 STE 260
EDMONDS, WA 98026
Internal Medicine (Gastroenterology)
21600 HIGHWAY 99 STE 260
EDMONDS, WA 98026
Internal Medicine (Gastroenterology)
21600 HIGHWAY 99 STE 260
EDMONDS, WA 98026
Internal Medicine (Gastroenterology)
21600 HIGHWAY 99 STE 260
EDMONDS, WA 98026
Physician Assistant
21600 HIGHWAY 99 STE 260
EDMONDS, WA 98026
Internal Medicine (Gastroenterology)
21600 HIGHWAY 99 STE 260
EDMONDS, WA 98026
Clinic/Center (Ambulatory Surgical)
21600 HIGHWAY 99 STE 260
EDMONDS, WA 98026
Nurse Practitioner (Family)
21600 HIGHWAY 99 STE 260
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.

What insurance does David Liang accept?

Health plans from Kaiser Permanente, Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan 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 22 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.