DR. WAI KAN CHIU (M.D., PH.D.) – Gastroenterology Physician, NPI 1801258686
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,185 GASTROENTEROLOGY in PA
Provider Addresses for DR. WAI KAN CHIU (M.D., PH.D.)
200 LOTHROP STREET, MEZZANINE LEVEL, C-WING, PUH
PITTSBURGH, PA 15213
Phone: (412) 864-7091
Fax: (212) 746-3609
Type: Location
Forbes Tower, 3600, Forbes Avenue, Oakland, Central Oakland, Pittsburgh, Allegheny County, Pennsylvania, 15213, United States
FORBES TOWER - PLAZA LEVEL SUITE 140
PITTSBURGH, PA 15213
Phone:
Type: Mailing
3501 PALMER DR STE 201
CAMERON PARK, CA 956828276
Phone: (530) 626-2611
Fax: (212) 746-3609
Type: Location
PO BOX 45680
SAN FRANCISCO, CA 941450680
Phone: (530) 626-2787
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $591.
Total Amount is formed as General ($591) + Research ($0) + Ownership ($0) = $591.
Last reported payment date: 2024-08-22 • Largest payer in this snapshot: ABBVIE INC. ($224).
Total Amount
$591
General + Research + Ownership
Payments
15
Total payment records
General Amount
$591
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $224 |
| GENZYME CORPORATION | $112 |
| Takeda Pharmaceuticals U.S.A., Inc. | $107 |
| Regeneron Healthcare Solutions, Inc. | $50 |
| PFIZER INC. | $32 |
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: 2022-06-20
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 |
|---|---|---|---|---|
| I20220620001004 | I | Gastroenterology | CA | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 176 | 136 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 133 | 132 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 100 | 87 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 98 | 98 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 87 | 84 | $0 |
Insurance plans in this area (ZIP 15213)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| - | CA | |
| Orthopedic Surgery | CA | |
| Internal Medicine | CA | |
| Family Practice, Addiction Medicine, Emergency Medicine, Preventive Medicine | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| Nurse Practitioner | CA | |
| - | CA |
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