ROBERT R WITHAM (MD) – Internal Medicine Physician, NPI 1649296971
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,056 INTERNAL MEDICINE in WA
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Provider Addresses for ROBERT R WITHAM (MD)
3920, Capital Mall Drive Southwest, Woodland Apartments, Olympia, Thurston County, Washington, 98502, United States
SUITE 100
OLYMPIA, WA 985028701
Phone: (360) 753-4700
Fax: (360) 753-6700
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 6 Open Payments records for all available years, with a total value of $116.
Total Amount is formed as General ($116) + Research ($0) + Ownership ($0) = $116.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($53).
Total Amount
$116
General + Research + Ownership
Payments
6
Total payment records
General Amount
$116
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
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.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-01-06
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 |
|---|---|---|---|---|
| I20060106000342 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 5,880 | 56 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 220 | 115 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 188 | 77 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 127 | 70 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 118 | 72 | $0 |
Insurance plans in this area (ZIP 98502)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | WA | 45378 | Diagnostic examination of large bowel using an endoscope | 16 | 16 |
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