Active NPI 1245338896 Individual Practitioner Male Practitioner

John Jeffrey Williamson , PA

Physician Assistant • Bloomington, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

John Williamson, PA is a certified Physician Assistant practicing in Bloomington, IL. With approximately 27 years of clinical experience since completing medical education in 1999, John Williamson delivers high-quality medical care to the local community at 1701 E COLLEGE AVE.

John Williamson is affiliated with Osf Multi-Specialty Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, established patient outpatient office visit, aspiration and/or injection of fluid from large joint. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1701 E College Ave

Bloomington, IL 617042101

Telephone 3096643422

Associated Practice Facility / Clinic

🏢 St Joseph Medical Center Facility NPI 1851330203

Medicare Profile & Education

Medical School

Other

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Bloomington, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs +15.9 yrs vs City Avg

City Avg: 11.1 Yrs

State Avg: 11.7 Yrs

Regional Practice Density

38 Specialists

Practicing in Bloomington, IL (4958 Statewide)

Telehealth Adoption Rate

7.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williamson (27 Years) 27 Yrs

Bloomington Specialty Average (11.1 Years) 11.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1010 Injection, methylprednisolone acetate, 1 mg	9,412	88	$0.93	$0.13
99213 Established patient office or other outpatient visit, typically 15 minutes	249	173	$142.04	$73.72
20610 Aspiration and/or injection of fluid from large joint	168	104	$393.95	$57.04
J1030 Injection, methylprednisolone acetate, 40 mg	72	29	$31.00	$6.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	58	53	$105.00	$45.66
73562 X-ray of knee, 3 views	45	40	$212.33	$34.75
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	41	12	$406.20	$119.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$213.74	$91.12
73110 X-ray of wrist, minimum of 3 views	24	13	$185.00	$32.14
73030 X-ray of shoulder, minimum of 2 views	18	17	$244.44	$30.35
73560 X-ray of knee, 1-2 views	17	14	$185.29	$28.38
73502 X-ray of hip, 2-3 views	16	14	$203.44	$37.07
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	15	11	$49.47	$23.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$266.27	$104.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1030 Injection, methylprednisolone acetate, 40 mg	272	100	$31.00	$7.54
99213 Established patient office or other outpatient visit, typically 15 minutes	163	120	$135.00	$74.47
20610 Aspiration and/or injection of fluid from large joint	155	102	$370.45	$57.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	60	56	$105.00	$46.64
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	47	17	$350.00	$124.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	33	$190.00	$106.16
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$205.00	$93.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1030 Injection, methylprednisolone acetate, 40 mg	166	61	$31.00	$6.53
99213 Established patient office or other outpatient visit, typically 15 minutes	147	106	$135.00	$74.75
20610 Aspiration and/or injection of fluid from large joint	95	65	$354.32	$57.38
27447 Replacement of knee joint, both sides of knee	27	27	$2094.78	$174.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$205.00	$92.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$105.00	$46.30
27130 Replacement of thigh bone and hip joint with prosthesis	12	11	$2905.83	$174.53
27245 Treatment of broken neck of thigh bone with bone implant	11	11	$2019.00	$166.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	176	112	$135.00	$74.71
J1030 Injection, methylprednisolone acetate, 40 mg	146	58	$31.00	$5.69
20610 Aspiration and/or injection of fluid from large joint	86	61	$354.94	$57.45
27447 Replacement of knee joint, both sides of knee	25	25	$2101.48	$176.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$205.00	$91.36
27130 Replacement of thigh bone and hip joint with prosthesis	14	14	$2873.14	$177.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	104	86	$135.00	$61.86
20610 Aspiration and/or injection of fluid from large joint	96	67	$357.50	$56.78
J1030 Injection, methylprednisolone acetate, 40 mg	93	39	$30.61	$6.08
J1040 Injection, methylprednisolone acetate, 80 mg	45	38	$62.00	$11.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$205.00	$86.96
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	21	$105.00	$36.71
27447 Replacement of knee joint, both sides of knee	21	20	$3820.00	$189.33
27130 Replacement of thigh bone and hip joint with prosthesis	14	14	$3312.37	$189.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1030 Injection, methylprednisolone acetate, 40 mg	96	39	$25.00	$6.03
99213 Established patient office or other outpatient visit, typically 15 minutes	77	64	$135.00	$59.93
20610 Aspiration and/or injection of fluid from large joint	62	44	$361.94	$54.89
27447 Replacement of knee joint, both sides of knee	24	24	$4914.23	$187.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$205.00	$90.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$105.00	$37.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1030 Injection, methylprednisolone acetate, 40 mg	171	70	$25.00	$6.56
20610 Aspiration and/or injection of fluid from large joint	95	63	$335.21	$48.47
99213 Established patient office or other outpatient visit, typically 15 minutes	86	64	$135.00	$57.37
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	32	13	$350.00	$146.71
27447 Replacement of knee joint, both sides of knee	30	30	$4191.14	$183.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$205.00	$86.80
99283 Emergency department visit with low level of medical decision making	16	16	$264.63	$52.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$190.00	$86.48
27130 Replacement of thigh bone and hip joint with prosthesis	12	12	$4831.91	$184.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1030 Injection, methylprednisolone acetate, 40 mg	148	50	$20.00	$5.77
99213 Established patient office or other outpatient visit, typically 15 minutes	92	70	$135.00	$58.57
20610 Aspiration and/or injection of fluid from large joint	86	56	$360.70	$53.71
99283 Emergency department visit with low level of medical decision making	41	41	$256.00	$52.78
27447 Replacement of knee joint, both sides of knee	31	31	$4207.90	$184.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$205.00	$87.04
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	15	$105.00	$34.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	14	$190.00	$86.20
27130 Replacement of thigh bone and hip joint with prosthesis	14	14	$5130.71	$185.31

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 85001294

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Dmerc

0533210001 (IL)

Hospital & Practice Group Affiliations

Osf Multi-Specialty Group

8600 State Route 91, Peoria, IL 616157829

Phone: 3096835050

Osf Multi-Specialty Group

2200 E Washington St, Bloomington, IL 617014364

Phone: 3096623311

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Mary Biles , PT, MDT

Physical Therapist

NPI 1003933342

Physical Therapist, MDT

Carey Harris , NP

Nurse Practitioner

NPI 1013226794

Nurse Practitioner

Patricia O'meara , MPT, NDT

Physical Therapist

NPI 1043337264

Master of Physical Therapy, NDT

Paul Pedersen

Internal Medicine

NPI 1053403675

Gretchen Dean , PT

Physical Therapist

NPI 1053430413

Physical Therapist

Dr. Christopher Rink , DO

Physical Medicine & Rehabilitation - Pain Medicine

NPI 1063521169

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active November 19, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location November 19, 2007

Registered at 1701 E COLLEGE AVE, BLOOMINGTON, IL 617042101 (Tel: 3096643422)

📍

Updated Business Mailing Address November 19, 2007

Registered at 602 W UNIVERSITY AVE, URBANA, IL 618012530 (Tel: 2173833311)

👤

Provider Name / Credentials Updated November 19, 2007

Recorded as JOHN WILLIAMSON, P.A.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2007

Physician Assistant (License #85001294 in IL)

🟢

Initial NPI Registration & Enumeration September 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1245338896

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: September 20, 2006

Last Update: November 19, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

602 W University Ave

Urbana, IL 618012530

Phone: 2173833311

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.