Physician Profile
Unclaimed ProfileAbout ONG
No biography has been added yet. Is this you? Claim this profile to add one.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Ong?
Dr. Ong is a gastroenterology in Zillah, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Ong's address?
Dr. Ong is listed at 915 VINTAGE VALLEY PKWY, Zillah, WA 98953. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ong?
The number on file is (509) 314-6565. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ong?
Dr. Ong's National Provider Identifier is 1740310283. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Ong train?
Dr. Ong attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ong have?
Dr. Ong has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ong perform?
According to Medicare billing data, Dr. Ong performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of large bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ong's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ong. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (509) 314-6565
- Email not available
Practice Locations
915 VINTAGE VALLEY PKWY
Zillah, WA 98953
Procedures Most Often Billed to Medicare
289 services · 277 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
68 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
64 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
52 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
52 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in WA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.