Physician Profile
Unclaimed ProfileAbout WILLEN
Listed in the NPI registry as a hospitalist, Ryan Willen, D.O. practises in Corvallis, OR. Ryan graduated from At Still University, Arizona School of Dentistry & Oral Hlth in 2017. Ryan is also listed as specialising in surgery and internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Willen specialise in?
Dr. Willen is a hospitalist in Corvallis, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HOSPITALIST”.
NPI registry
Where is Dr. Willen located?
Dr. Willen is listed at 3600 NW SAMARITAN DR, Corvallis, OR 97330. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Willen's phone number?
The number on file is (541) 768-4906. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Willen?
Dr. Willen's National Provider Identifier is 1912432063. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Willen go to medical school?
Dr. Willen attended At Still University, Arizona School of Dentistry & Oral Hlth, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Willen have?
Dr. Willen has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Willen do most often?
According to Medicare billing data, Dr. Willen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Willen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Willen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (541) 768-4906
- Email not available
Practice Locations
3600 NW SAMARITAN DR
Corvallis, OR 97330
Procedures Most Often Billed to Medicare
667 services · 422 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
233 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
215 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
117 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
58 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
23 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hospitalists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hospitalists in Corvallis 7
Same specialty, same city.
More connections — 13 related providers in 2 groups
Trained at At Still University, Arizona School of Dentistry & Oral Hlth 5
Other providers in the same specialty who trained at the same institution.
Class of 2017 at At Still University, Arizona School of Dentistry & Oral Hlth 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.