Doctor profile · Federal record
Dr. David Liang, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Edmonds, WA
- NPI 1619178027
- Accepts Medicare
- MIPS 83.5 / 100 · 2023
- 22 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 5 locations .
- Primary practice
-
21600 Highway 99 Ste 260
Edmonds, WA 980268049
(425) 774-2650
fax (425) 774-2643 - Additional location
-
125 16Th Ave E
Seattle, WA 981125211
(206) 326-3000
fax (877) 515-2975 - Additional location
-
1615 Delaware St
Longview, WA 986322367
(360) 414-2730
fax (360) 414-2739 - Additional location
-
1818 Cole St Fl 1
Enumclaw, WA 980223504
(360) 802-5023
fax (360) 802-5039 - Additional location
-
4545 Cordata Pkwy Ste 1B
Bellingham, WA 982267264
(360) 752-5216
fax (360) 752-5656 - Mailing address
-
10921 115Th CT Ne Apt C201
Kirkland, WA 980333823
Show 2 more locations
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- October 11, 2024
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Washington #MD60197486 · Nevada #14761
- Medicaid
- WA #2048950
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619178027. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,266
Distinct HCPCS
10
Medicare allowed
$140,183
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 212 | 199 | $78 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 192 | 191 | $85 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 162 | 162 | $234 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 105 | 52 | $77 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 96 | 95 | $5 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 91 | 74 | $96 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 80 | 63 | $98 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 58 | 56 | $128 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 51 | 43 | $122 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 36 | 18 | $117 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 58. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$24
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $23.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,220
Patients
434
Total drug cost
$117,370
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 363 | 91 | $4,636 |
| Omeprazole | Generic | 279 | 86 | $4,486 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 154 | 148 | $11,686 |
| Mesalamine | Generic | 68 | 0 | $50,398 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 58 | 57 | $1,135 |
| Sucralfate | Generic | 56 | 17 | $5,521 |
| Budesonide Ec (Budesonide) | Brand | 43 | 0 | $16,988 |
| Dicyclomine Hcl | Generic | 37 | 23 | $1,596 |
| Esomeprazole Magnesium | Generic | 29 | 0 | $1,428 |
| Furosemide | Generic | 27 | 0 | $248 |
Hospital affiliations
Frequently asked questions
What is Dr. David Liang's medical specialty?
Dr. David Liang practices Gastroenterology Physician in Edmonds, WA.
Where does Dr. David Liang practice?
Dr. David Liang practices at 21600 Highway 99 Ste 260, Edmonds, WA 980268049. Office phone: 4257742650.
What is Dr. David Liang's NPI?
Dr. David Liang's National Provider Identifier (NPI) is 1619178027, issued by NPPES.
Does Dr. David Liang accept Medicare assignment?
Yes. Dr. David Liang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Liang commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.