DR. GILBERT K ONG (MD) – Gastroenterology Physician, NPI 1740310283
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
474 GASTROENTEROLOGY in WA
Provider Addresses for DR. GILBERT K ONG (MD)
16504 9TH AVE SE
STE 106
MILL CREEK, WA 980126388
Phone: (425) 977-4620
Fax: (425) 745-9836
Type: Mailing
3909 CREEKSIDE LOOP
SUITE 130
YAKIMA, WA 989024880
Phone: (509) 248-6616
Fax: (509) 248-4983
Type: Location
PO BOX 719
SUNNYSIDE, WA 989440719
Phone: (509) 837-1617
Type: Mailing
3909 Creekside Loop
Suite 130
Yakima, WA 989024880
Phone: (509) 248-6616
Fax: (509) 248-4983
Type: Location
915 VINTAGE VALLEY PKWY
ZILLAH, WA 989539800
Phone: (509) 314-6565
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 31 Open Payments records for all available years, with a total value of $744.
Total Amount is formed as General ($744) + Research ($0) + Ownership ($0) = $744.
Last reported payment date: 2024-12-06 • Largest payer in this snapshot: PFIZER INC. ($390).
Total Amount
$744
General + Research + Ownership
Payments
31
Total payment records
General Amount
$744
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-08-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070814000681 | I | Gastroenterology | WA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 101 | 100 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 95 | 94 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 93 | 69 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 68 | 65 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 49 | 43 | $0 |
Insurance plans in this area (ZIP 98012)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | IL | |
| Orthopedic Surgery | WA | |
| - | WA | |
| Nurse Practitioner | MO | |
| Family Practice | WA | |
| Pain Management, Podiatry, Podiatry | WA | |
| Nurse Practitioner | WA | |
| Plastic And Reconstructive Surgery | WA | |
| General Surgery, Vascular Surgery | AZ | |
| Nurse Practitioner | OH |
Reviews
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