OLIVIA WILLIAMSON PA-C
NPI 1477338184
Physician Assistant in Sebewaing, MI

Active since August 30, 2023PECOS EnrolledAccepts Medicare Assignment
106 E MAIN ST, SEBEWAING, MI 48759(989) 883-3800 Get Directions Write a Review

NPPES record last updated: September 15, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 15, 2024, Aug 30, 2023 (2 updates tracked since 2023).

About Olivia Williamson Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OLIVIA WILLIAMSON PA-C (NPI 1477338184) is an individual physician assistant in Sebewaing, Michigan and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS, is affiliated with Mclaren Bay Region, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1477338184
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameOLIVIA WILLIAMSONCredential: PA-C
Location Address106 E MAIN STSebewaing, MI 48759-1568
Mailing Address136 Adam Ridge DrSebewaing, MI 48759-1148
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 30, 2023
Last NPPES UpdateSeptember 15, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2024
NPI 1477338184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

106 E MAIN ST, Sebewaing, MI 48759

Secondary Practice Locations 2

Location 14005 Orchard DrMidland, MI 48670-2001 · Phone (989) 839-3100
Location 24497 Sheffield PlBay City, MI 48706-2554 · Phone (989) 894-8400

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Olivia Williamson Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941655476
PECOS Enrollment IDI20231018001743
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
64 services63 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
61 services60 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
27 services27 patients
Emergency department visit with straightforward medical decision making 99282
An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mclaren Bay Region

Acute Care Hospitals · Bay City, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230041
Location1900 Columbus AveBay City, MI 48708 · Bay County
Emergency services Birthing friendly

Scheurer Hospital

Critical Access Hospitals · Pigeon, MI
OwnershipVoluntary non-profit - Other
CMS Certification Number231310
Location170 N Caseville RdPigeon, MI 48755 · Huron County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48759 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dentist (General Practice)
106 E MAIN ST
SEBEWAING, MI 48759
Dermatology
106 E MAIN ST
SEBEWAING, MI 48759
Dentist (General Practice)
106 E MAIN ST
SEBEWAING, MI 48759

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Olivia Williamson's NPI number?

The NPI number for Olivia Williamson is 1477338184. It was assigned to this individual provider in the NPPES registry on August 30, 2023.

Where is Olivia Williamson located?

Olivia Williamson practices at 106 E Main St, Sebewaing, MI 48759. The listed phone number is (989) 883-3800.

What is Olivia Williamson's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Olivia Williamson enrolled in Medicare?

Yes. Olivia Williamson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Olivia Williamson accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Olivia Williamson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Olivia Williamson affiliated with any hospitals?

According to CMS data, Olivia Williamson is affiliated with Mclaren Bay Region and Scheurer Hospital.

When was this NPI record last updated?

The NPPES record for Olivia Williamson was last updated on September 15, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.