JOHN JEFFREY WILLIAMSON P.A.
NPI 1245338896
Physician Assistant in Bloomington, IL

Active since September 20, 2006PECOS EnrolledAccepts Medicare Assignment
1701 E COLLEGE AVE, BLOOMINGTON, IL 61704(309) 664-3422 Get Directions Write a Review

NPPES record last updated: November 19, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Jeffrey Williamson P.a. NPPES

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

JOHN JEFFREY WILLIAMSON P.A. (NPI 1245338896) is an individual physician assistant in Bloomington, Illinois, licensed in Illinois (85001294) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph Medical Center, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1245338896
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameJOHN JEFFREY WILLIAMSONCredential: P.A.
Location Address1701 E COLLEGE AVEBloomington, IL 61704-2101
Mailing Address602 W University AveUrbana, IL 61801-2530 · (217) 383-3311
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateSeptember 20, 2006
Last NPPES UpdateNovember 19, 2007
NPI 1245338896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in IL · 85001294
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.
1701 E COLLEGE AVE, Bloomington, IL 61704

Other Identifiers 3

Medicare PIN581020IL
Other0533210001IL · Dmerc
Medicare UPINS88841IL

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

John Jeffrey Williamson P.a. 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 ID7315091295
PECOS Enrollment IDI20090811000586
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 13

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
249 services173 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
168 services104 patients
Injection, methylprednisolone acetate, 40 mg J1030
Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.
72 services29 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
58 services53 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
45 services40 patients
Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose J7323
Hyaluronan or Euflexxa is a substance similar to a natural substance in your joints. It's injected into the joint space to treat pain from osteoarthritis, especially in the knee. It helps to lubricate the joint, reducing pain and improving mobility.
41 services12 patients

Hospital Affiliations CMS Care Compare

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

St Joseph Medical Center

Acute Care Hospitals · Bloomington, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140162
Location2200 E WashingtonBloomington, IL 61701 · Mc Lean County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61704 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
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 20

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

Physical Therapist
1701 E COLLEGE AVE
BLOOMINGTON, IL 61704
Nurse Practitioner
1701 E COLLEGE AVE
BLOOMINGTON, IL 61704
Hospice Care, Community Based
1701 E COLLEGE AVE
BLOOMINGTON, IL 61704
Physical Therapist
1701 E COLLEGE AVE
BLOOMINGTON, IL 61704
Internal Medicine
1701 E COLLEGE AVE
BLOOMINGTON, IL 61704
Physical Therapist
1701 E COLLEGE AVE
BLOOMINGTON, IL 61704
Physical Medicine & Rehabilitation (Pain Medicine)
1701 E COLLEGE AVE
BLOOMINGTON, IL 61704
Nurse Practitioner
1701 E COLLEGE AVE
BLOOMINGTON, IL 61704

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 John Williamson's NPI number?

The NPI number for John Williamson is 1245338896. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is John Williamson located?

John Williamson practices at 1701 E College Ave, Bloomington, IL 61704. The listed phone number is (309) 664-3422.

What is John Williamson's specialty?

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

Is John Williamson enrolled in Medicare?

Yes. John 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 John Williamson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list John 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 John Williamson affiliated with any hospitals?

According to CMS data, John Williamson is affiliated with St Joseph Medical Center.

When was this NPI record last updated?

The NPPES record for John Williamson was last updated on November 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.