Provider Profile
Sonja Halvorson, PA-C
Unclaimed ProfileAbout Sonja Halvorson
Sonja Halvorson, PA-C is a physician assistant practicing in Eugene, OR. Medicare claims data shows Sonja provided 130 services to 126 patients. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with high level of medical decision making, and emergency department visit with low level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (541) 344-8757
- Email not available
Practice Locations
1255 HILYARD ST
Eugene, OR 97401
1515 Village Dr
Cottage Grove, OR 97424
Procedures Most Often Billed to Medicare
130 services · 126 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
79 | More often than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
39 | As often as other peers in Physician Assistant |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
Common questions
What kind of doctor is Sonja Halvorson?
Sonja Halvorson is a physician assistant in Eugene, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Sonja Halvorson's address?
Sonja Halvorson is listed at 1255 Hilyard St, Eugene, OR 97401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Sonja Halvorson?
The number on file is (541) 344-8757. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Sonja Halvorson?
Sonja Halvorson's National Provider Identifier is 1154879351. 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
How much experience does Sonja Halvorson have?
Sonja Halvorson has 10+ years experience. Registered with an NPI since 2016. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Sonja Halvorson perform?
According to Medicare billing data, Sonja Halvorson 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 Sonja Halvorson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sonja Halvorson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.