Doctor profile · Federal record
Dr. Gilbert Ong, MD
Gastroenterology Physician (CMS: Gastroenterology) · Zillah, WA
- NPI 1740310283
- Accepts Medicare
- MIPS 80.0 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
915 Vintage Valley Pkwy
Zillah, WA 989539800
(509) 314-6565 - Additional location
-
3909 Creekside Loop, Suite 130
Yakima, WA 989024880
(509) 248-6616
fax (509) 248-4983 - Mailing address
-
Po Box 719
Sunnyside, WA 989440719
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- March 7, 2025
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Washington #MD00047300
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740310283. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
450
Distinct HCPCS
8
Medicare allowed
$60,878
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 101 | 100 | $248 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 95 | 94 | $82 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 93 | 69 | $126 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 68 | 65 | $74 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 49 | 43 | $89 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 17 | 17 | $169 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $166 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 12 | 12 | $130 |
In context: peer comparison
Among 1 peers in Zillah Gastroenterology Physician, average services per provider: 56. This provider delivers 8.0× the peer median.Open Payments
Industry payments received
All-time total
$295
Transactions
12
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 7 | $166.25 | |
| Abbvie INC. | 2 | $57.48 | |
| Phathom Pharmaceuticals, INC. | 2 | $48.36 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $23.22 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
887
Patients
351
Total drug cost
$62,714
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 340 | 126 | $5,125 |
| Pantoprazole Sodium | Generic | 159 | 56 | $1,992 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 126 | 124 | $3,437 |
| Mesalamine | Generic | 48 | 0 | $30,045 |
| Budesonide Dr (Budesonide) | Brand | 28 | 0 | $10,330 |
| Lactulose | Generic | 26 | 0 | $674 |
| Dicyclomine Hcl | Generic | 24 | 0 | $636 |
| Famotidine | Generic | 22 | 0 | $153 |
| Loperamide (Loperamide Hcl) | Brand | 22 | 13 | $987 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 21 | 21 | $411 |
Frequently asked questions
What is Dr. Gilbert Ong's medical specialty?
Dr. Gilbert Ong practices Gastroenterology Physician in Zillah, WA.
Where does Dr. Gilbert Ong practice?
Dr. Gilbert Ong practices at 915 Vintage Valley Pkwy, Zillah, WA 989539800. Office phone: 5093146565.
What is Dr. Gilbert Ong's NPI?
Dr. Gilbert Ong's National Provider Identifier (NPI) is 1740310283, issued by NPPES.
Does Dr. Gilbert Ong accept Medicare assignment?
Yes. Dr. Gilbert Ong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gilbert Ong commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.