NINGXIN ZENG (MD) – Gastroenterology Physician, NPI 1376595637
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
475 GASTROENTEROLOGY in WA
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Provider Addresses for NINGXIN ZENG (MD)
West Deschutes Avenue, Kennewick, Benton County, Washington, 99301, United States
SUITE D201
KENNEWICK, WA 993367715
Phone: (509) 783-8195
Fax: (509) 783-8265
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 55 Open Payments records for all available years, with a total value of $1,488.
Total Amount is formed as General ($1,488) + Research ($0) + Ownership ($0) = $1,488.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: PFIZER INC. ($266).
Total Amount
$1,488
General + Research + Ownership
Payments
55
Total payment records
General Amount
$1,488
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $266 |
| Janssen Biotech, Inc. | $235 |
| Lilly USA, LLC | $169 |
| Phathom Pharmaceuticals, Inc. | $161 |
| Takeda Pharmaceuticals U.S.A., Inc. | $138 |
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: 2005-08-10
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 |
|---|---|---|---|---|
| I20050810000311 | 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 |
|---|---|---|---|---|
| 45380 | Biopsy of large bowel using a flexible endoscope | 334 | 331 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 313 | 305 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 263 | 262 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 144 | 137 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 135 | 74 | $0 |
Insurance plans in this area (ZIP 99336)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | WA | |
| P O D I A T R Y | AZ | |
| Family Practice | WA | |
| Nurse Practitioner | WA | |
| Nurse Practitioner | WA | |
| - | WA | |
| Nurse Practitioner | WA | |
| - | WA | |
| - | WA | |
| - | WA |
Reviews
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