Doctor profile · Federal record
Dr. Eric Yap, MD
Gastroenterology Physician (CMS: Gastroenterology) · Bellevue, WA
- NPI 1639254279
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1135 116Th Ave Ne, Suite 560
Bellevue, WA 980044623
(425) 467-0150
fax (425) 467-0599 - Mailing address
-
2420 S Union Ave Ste 200
Tacoma, WA 984051323
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- May 2, 2019
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Washington #MD00038456
- Medicaid
- WA #8252496
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639254279. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
706
Distinct HCPCS
10
Medicare allowed
$72,434
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 155 | 20 | $52 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 103 | 103 | $178 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 96 | 21 | $68 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 70 | 68 | $92 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 64 | 41 | $52 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 52 | 51 | $106 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 37 | 37 | $138 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 29 | 29 | $267 | |
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 | 26 | 26 | $6 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $120 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 59. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$2,616
Transactions
81
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 26 | $962.38 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 11 | $281.83 | |
| PFIZER INC. | 9 | $254.01 | |
| Janssen Biotech, Inc. | 7 | $160.44 | |
| Regeneron Healthcare Solutions, Inc. | 5 | $149.56 | |
| AIMMUNE THERAPEUTICS, INC. | 6 | $149.08 | |
| Boston Scientific Corporation | 1 | $146.68 | |
| Celgene Corporation | 4 | $70.08 | |
| Gilead Sciences, Inc. | 2 | $69.86 | |
| Merck Sharp & Dohme LLC | 2 | $65.48 | |
| Phathom Pharmaceuticals, Inc. | 2 | $59.26 | |
| Organon Llc | 2 | $58.82 | |
| Lilly USA, LLC | 2 | $49.07 | |
| Daiichi Sankyo Inc. | 1 | $27.31 | |
| GENZYME CORPORATION | 1 | $24.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
524
Patients
220
Total drug cost
$295,440
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 184 | 65 | $2,913 |
| Pantoprazole Sodium | Generic | 85 | 24 | $1,650 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 77 | 76 | $1,310 |
| Humira(Cf) Pen (Adalimumab) | Brand | 25 | 0 | $179,748 |
| Dicyclomine Hcl | Generic | 23 | 0 | $548 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 22 | 22 | $430 |
| Mesalamine | Generic | 19 | 0 | $4,628 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 19 | 19 | $554 |
| Famotidine | Generic | 17 | 0 | $215 |
| Esomeprazole Magnesium | Generic | 16 | 0 | $1,179 |
Hospital affiliations
Frequently asked questions
What is Dr. Eric Yap's medical specialty?
Dr. Eric Yap practices Gastroenterology Physician in Bellevue, WA.
Where does Dr. Eric Yap practice?
Dr. Eric Yap practices at 1135 116Th Ave Ne, Bellevue, WA 980044623. Office phone: 4254670150.
What is Dr. Eric Yap's NPI?
Dr. Eric Yap's National Provider Identifier (NPI) is 1639254279, issued by NPPES.
Does Dr. Eric Yap accept Medicare assignment?
Yes. Dr. Eric Yap accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Yap commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.