SITING S. CHEN (MD) – Hematology & Oncology Physician, NPI 1689662587
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Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for SITING S. CHEN (MD)
Kelley Ross Pharmacy, 904, 7th Avenue, Central Business District, First Hill, Seattle, King County, Washington, 98138, United States
SEATTLE, WA 981041132
Phone: (206) 329-1760
Type: Mailing
320, Northeast 87th Avenue, McLoughlin Heights, Vancouver, Clark County, Washington, 98664, United States
VANCOUVER, WA 986641965
Phone: (360) 514-2550
Type: Location
904 7th Ave
Seattle, WA 981041132
Phone: (206) 329-1760
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $168.
Total Amount is formed as General ($168) + Research ($0) + Ownership ($0) = $168.
Last reported payment date: 2023-12-21 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($45).
Total Amount
$168
General + Research + Ownership
Payments
8
Total payment records
General Amount
$168
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-21
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 45 | 45 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 36 | 36 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 25 | 19 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 17 | 15 | $0 |
Insurance plans in this area (ZIP 98104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | CA | |
| O P T O M E T R Y | HI | |
| - | HI | |
| Physician Assistant | HI | |
| Emergency Medicine | VA | |
| Orthopedic Surgery | HI | |
| Internal Medicine | HI | |
| Orthopedic Surgery | HI | |
| - | HI | |
| - | CO |
Reviews
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