RYAN FREDERICK HOLBROOK (M.D.) – Surgical Oncology Physician, NPI 1801885520
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Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for RYAN FREDERICK HOLBROOK (M.D.)
PO BOX 3868
SPOKANE, WA 992203868
Phone: (509) 228-1000
Fax: (509) 252-9300
Type: Mailing
601, South Sherman Street, Spokane, Spokane County, Washington, 99202, United States
SPOKANE, WA 992021311
Phone: (509) 228-1000
Fax: (509) 252-9300
Type: Location
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 $55.
Total Amount is formed as General ($55) + Research ($0) + Ownership ($0) = $55.
Last reported payment date: 2024-09-24 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($38).
Total Amount
$55
General + Research + Ownership
Payments
3
Total payment records
General Amount
$55
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $38 |
| Galderma Laboratories, L.P. | $17 |
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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 31 | 27 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 19 | 18 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 99220)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | VA | |
| - | WA | |
| - | WA | |
| - | WA | |
| Surgical Oncology | IL | |
| Nurse Practitioner | WA | |
| Nurse Practitioner | ID | |
| Radiation Oncology | WA | |
| - | WA | |
| Nurse Practitioner | MT |
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