DR. TIM ARAKAWA (MD, PHD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1841421229
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
93 ENDOCRINOLOGY in OR
Provider Addresses for DR. TIM ARAKAWA (MD, PHD)
3615 NW SAMARITAN DR STE G2
CORVALLIS, OR 973303783
Phone: (541) 768-7900
Type: Location
388 Ypao Rd
Tamuning, GU 96913
Phone: (671) 777-0696
Type: Location
Corvallis Post Office, Southwest Jefferson Avenue, Corvallis, Benton County, Oregon, 97331, United States
CORVALLIS, OR 973391189
Phone:
Type: Mailing
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 $148.
Total Amount is formed as General ($148) + Research ($0) + Ownership ($0) = $148.
Last reported payment date: 2024-09-11 • Largest payer in this snapshot: Medtronic, Inc. ($44).
Total Amount
$148
General + Research + Ownership
Payments
8
Total payment records
General Amount
$148
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-11
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: 2020-03-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20150918001133 | I | Endocrinology | GU | TBD |
| I20200326001691 | I | Endocrinology | OR | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 184 | 102 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 68 | 42 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 61 | 27 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 97330)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ENDOCRINOLOGY | OH | 83036 | Hemoglobin A1C level | 126 | 61 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OR | |
| Physical Therapist In Private Practice | MT | |
| P S Y C H I A T R Y | OR | |
| Physician Assistant | OR | |
| - | OR | |
| - | OR | |
| Occupational Therapist In Private Practice | OR | |
| - | OR | |
| O B S T E T R I C S/ G Y N E C O L O G Y | PA | |
| - | OR |
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