DR. MARK HSUEH TSENG (M.D) – Surgery Physician, NPI 1669631651
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
827 GENERAL SURGERY in WA
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Provider Addresses for DR. MARK HSUEH TSENG (M.D)
PO BOX 66596
SEATTLE, WA 981660596
Phone: (253) 736-2818
Fax: (253) 939-2376
Type: Mailing
121, North Division Street, Downtown, Auburn, King County, Washington, 98001, United States
SUITE 300
AUBURN, WA 980014931
Phone: (253) 736-2818
Fax: (888) 801-8031
Type: Mailing
Auburn, Auburn Electoral Division, The Municipal District of Athlone — Moate, County Westmeath, Leinster, Ireland
SUITE 300
AUBURN, WA 98001
Phone: (253) 804-2809
Fax: (888) 801-8031
Type: Location
121 N Division
Suite 300
Auburn, WA 98001
Phone: (253) 804-2809
Fax: (888) 801-8031
Type: Location
921 HARVEY RD NE STE B
AUBURN, WA 980024294
Phone: (253) 736-2818
Fax: (253) 939-2376
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 $90.
Total Amount is formed as General ($90) + Research ($0) + Ownership ($0) = $90.
Last reported payment date: 2024-03-28 • Largest payer in this snapshot: Mentor Worldwide LLC ($71).
Total Amount
$90
General + Research + Ownership
Payments
3
Total payment records
General Amount
$90
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mentor Worldwide LLC | $71 |
| Ethicon US, LLC | $19 |
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: 2010-07-21
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 |
|---|---|---|---|---|
| I20100721000344 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 35 | 18 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 16 | 11 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 98166)
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