NICHOLAS H. SUN (D.O.) – Gastroenterology Physician, NPI 1336357433
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
474 GASTROENTEROLOGY in WA
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Provider Addresses for NICHOLAS H. SUN (D.O.)
305, South Meridian, Village Fair Shopping Center, Puyallup, Pierce County, Washington, 98371, United States
PUYALLUP, WA 983717590
Phone: (253) 841-3933
Fax: (253) 848-7970
Type: Location
340, South 23rd Street, Tacoma, Pierce County, Washington, 98402, United States
TACOMA, WA 984051602
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $45.
Total Amount is formed as General ($45) + Research ($0) + Ownership ($0) = $45.
Last reported payment date: 2024-04-24 • Largest payer in this snapshot: Boston Scientific Corporation ($45).
Total Amount
$45
General + Research + Ownership
Payments
3
Total payment records
General Amount
$45
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-04-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $45 |
| GastroGPO, LLC | $0 |
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: 2010-09-29
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 |
|---|---|---|---|---|
| I20100929000822 | 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 |
|---|---|---|---|---|
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 134 | 129 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 89 | 89 | $0 |
| 43255 | Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 35 | 34 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 23 | 23 | $0 |
| 74328 | Review by radiologist of image from tube placement into bile duct using an endoscope | 21 | 20 | $0 |
Insurance plans in this area (ZIP 98371)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | WA | 45385 | Removal of polyps or growths of large bowel using an endoscope | 30 | 30 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | WA | |
| Certified Registered Nurse Anesthetist (Crna) | AK | |
| Physician Assistant | WA | |
| Physician Assistant | WA | |
| - | WA | |
| Internal Medicine | WA | |
| Certified Registered Nurse Anesthetist (Crna) | WA | |
| G A S T R O E N T E R O L O G Y | WA | |
| Nurse Practitioner | CO | |
| Certified Registered Nurse Anesthetist (Crna) | WA |
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