Provider Profile
Olivia Williamson, PA-C
Unclaimed ProfileAbout Olivia Williamson
Olivia Williamson, PA-C is a physician assistant practicing in Sebewaing, MI. According to Medicare claims data, Olivia cared for 162 Medicare patients across 164 services. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with low level of medical decision making, and emergency department visit with high 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.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (989) 883-3800
- Email not available
Practice Locations
106 E MAIN ST
Sebewaing, MI 48759
Procedures Most Often Billed to Medicare
164 services · 162 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
64 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
61 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
27 |
| Emergency department visit with straightforward medical decision making | Office visit | 99282 |
12 |
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 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Olivia Williamson specialize in?
Olivia Williamson is a physician assistant in Sebewaing, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Olivia Williamson located?
Olivia Williamson is listed at 106 E Main St, Sebewaing, MI 48759. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Olivia Williamson's phone number?
The number on file is (989) 883-3800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Olivia Williamson's NPI number?
Olivia Williamson's National Provider Identifier is 1477338184. 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 Olivia Williamson train?
Olivia Williamson attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How long has Olivia Williamson been practicing?
Olivia Williamson has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What does Olivia Williamson do most often?
According to Medicare billing data, Olivia Williamson 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
Has Olivia Williamson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Olivia Williamson. 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.