Active NPI 1750598850 Individual Practitioner Male Practitioner

Dr. Gregory P Witkowski , MD

Orthopaedic Surgery • Warrenville, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Witkowski, MD is a certified Orthopaedic Surgery practicing in Warrenville, IL. With approximately 23 years of clinical experience since graduating from Wayne State University School Of Medicine in 2003, Dr. Witkowski delivers high-quality medical care to the local community at 27650 FERRY RD.

Dr. Witkowski maintains professional affiliations with Central Dupage Physician Group, Select Rehabilitation, Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, x-ray of ankle, minimum of 3 views, x-ray of shoulder, minimum of 2 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

27650 Ferry Rd
Suite 100

Warrenville, IL 605553845

Telephone 6302252663

Fax 6302252399

Associated Practice Facility / Clinic

🏢 Oad Orthopaedics, Ltd Facility NPI 1801844642

Medicare Profile & Education

Medical School

Wayne State University School Of Medicine

Graduation Year

2003

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Warrenville, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

23 Yrs -0.3 yrs vs City Avg

City Avg: 23.3 Yrs

State Avg: 27.0 Yrs

Regional Practice Density

10 Specialists

Practicing in Warrenville, IL (1064 Statewide)

Telehealth Adoption Rate

20.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

54.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Witkowski (23 Years) 23 Yrs

Warrenville Specialty Average (23.3 Years) 23.3 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
99213 Established patient office or other outpatient visit, typically 15 minutes	303	195	$123.00	$95.80
73610 X-ray of ankle, minimum of 3 views	172	88	$104.60	$39.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	164	144	$194.00	$134.55
73030 X-ray of shoulder, minimum of 2 views	99	39	$255.59	$35.62
73630 X-ray of foot, minimum of 3 views	92	63	$104.82	$36.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$206.38	$113.78
73560 X-ray of knee, 1-2 views	59	33	$95.90	$34.13
73552 X-ray of thigh bone, minimum 2 views	48	22	$89.42	$35.47
73502 X-ray of hip, 2-3 views	41	29	$133.07	$45.67
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	39	11	$13.85	$7.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$258.50	$137.51
73000 X-ray of collar bone	27	17	$93.37	$31.07
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$372.00	$181.62
72170 X-ray of pelvis, 1-2 views	20	14	$97.00	$29.75
73590 X-ray of lower leg, 2 views	18	12	$85.11	$27.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$311.00	$177.70
73610 X-ray of ankle, minimum of 3 views	13	13	$26.00	$8.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	212	145	$123.00	$95.52
73610 X-ray of ankle, minimum of 3 views	142	78	$101.07	$38.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	140	131	$194.00	$134.17
73630 X-ray of foot, minimum of 3 views	79	57	$107.95	$38.02
73030 X-ray of shoulder, minimum of 2 views	69	26	$245.20	$35.02
73552 X-ray of thigh bone, minimum 2 views	63	27	$82.68	$32.95
73502 X-ray of hip, 2-3 views	57	31	$129.26	$43.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	54	54	$205.00	$119.45
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	36	15	$30.00	$6.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	36	$254.00	$137.26
27245 Treatment of broken neck of thigh bone with bone implant	21	21	$5201.13	$1330.16
73560 X-ray of knee, 1-2 views	18	14	$90.00	$32.22
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	17	17	$4863.15	$1306.90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	13	$372.00	$182.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$311.00	$176.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	215	154	$123.00	$96.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	154	134	$194.00	$135.15
73610 X-ray of ankle, minimum of 3 views	145	83	$101.13	$39.38
73630 X-ray of foot, minimum of 3 views	114	77	$110.39	$40.10
73552 X-ray of thigh bone, minimum 2 views	69	32	$86.26	$34.83
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	56	21	$30.00	$6.66
73560 X-ray of knee, 1-2 views	53	29	$87.06	$31.62
73030 X-ray of shoulder, minimum of 2 views	47	19	$235.26	$34.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$208.77	$119.02
73502 X-ray of hip, 2-3 views	44	25	$129.14	$45.06
99221 Initial hospital inpatient care per day, typically 30 minutes	41	41	$188.00	$106.89
27245 Treatment of broken neck of thigh bone with bone implant	25	25	$5275.71	$1362.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	23	23	$254.00	$142.39
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$268.00	$193.29
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	13	13	$4880.55	$1324.88
29405 Application of short leg cast	13	11	$228.00	$86.57
73610 X-ray of ankle, minimum of 3 views	12	11	$26.00	$9.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	195	129	$123.00	$96.81
73630 X-ray of foot, minimum of 3 views	181	126	$114.92	$41.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	172	165	$194.00	$138.10
73610 X-ray of ankle, minimum of 3 views	169	100	$101.08	$38.73
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	68	22	$30.00	$6.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	68	68	$206.22	$121.15
73552 X-ray of thigh bone, minimum 2 views	39	20	$84.69	$34.06
73560 X-ray of knee, 1-2 views	33	15	$88.91	$32.25
99221 Initial hospital inpatient care per day, typically 30 minutes	24	24	$188.00	$108.06
73502 X-ray of hip, 2-3 views	23	13	$136.78	$47.40
73650 X-ray of heel, minimum of 2 views	18	12	$93.00	$31.49
29405 Application of short leg cast	18	11	$228.00	$87.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$311.00	$180.89
73610 X-ray of ankle, minimum of 3 views	12	12	$26.00	$9.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	174	152	$194.00	$116.40
73630 X-ray of foot, minimum of 3 views	158	98	$112.56	$38.16
99213 Established patient office or other outpatient visit, typically 15 minutes	141	108	$123.00	$80.84
73610 X-ray of ankle, minimum of 3 views	136	80	$100.18	$36.07
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	74	33	$30.00	$6.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$205.00	$114.99
73552 X-ray of thigh bone, minimum 2 views	47	21	$83.60	$32.69
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$254.00	$148.71
Q4038 Cast supplies, short leg cast, adult (11 years +), fiberglass	30	16	$80.00	$41.23
29405 Application of short leg cast	28	16	$228.00	$84.85
73560 X-ray of knee, 1-2 views	23	11	$89.48	$31.42
73590 X-ray of lower leg, 2 views	19	13	$90.00	$29.30
73630 X-ray of foot, minimum of 3 views	16	15	$25.00	$9.13
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	13	$268.00	$156.15
73502 X-ray of hip, 2-3 views	13	13	$129.69	$43.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$311.00	$177.21
20605 Aspiration and/or injection of medium joint or joint capsule	12	12	$212.33	$62.62
73650 X-ray of heel, minimum of 2 views	12	12	$93.00	$30.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
73610 X-ray of ankle, minimum of 3 views	237	126	$99.72	$34.03
99213 Established patient office or other outpatient visit, typically 15 minutes	232	139	$123.00	$78.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	215	187	$194.00	$114.51
73630 X-ray of foot, minimum of 3 views	210	131	$104.00	$33.29
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	92	92	$205.00	$113.90
Q4038 Cast supplies, short leg cast, adult (11 years +), fiberglass	63	35	$80.00	$41.72
29405 Application of short leg cast	54	38	$228.00	$88.02
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	42	18	$30.00	$6.79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	36	$254.00	$145.87
73650 X-ray of heel, minimum of 2 views	33	22	$90.91	$28.28
73502 X-ray of hip, 2-3 views	32	22	$122.81	$38.42
73552 X-ray of thigh bone, minimum 2 views	31	13	$82.03	$30.66
73030 X-ray of shoulder, minimum of 2 views	28	13	$95.43	$25.26
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	24	$268.00	$154.64
73610 X-ray of ankle, minimum of 3 views	25	24	$26.00	$9.38
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$311.00	$170.12
73590 X-ray of lower leg, 2 views	17	12	$93.06	$28.85
73630 X-ray of foot, minimum of 3 views	12	11	$25.00	$8.99
27245 Treatment of broken neck of thigh bone with bone implant	11	11	$5245.73	$1381.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
73630 X-ray of foot, minimum of 3 views	246	150	$102.07	$30.13
73610 X-ray of ankle, minimum of 3 views	236	144	$98.38	$31.50
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	234	206	$194.00	$113.04
99213 Established patient office or other outpatient visit, typically 15 minutes	200	142	$123.00	$75.72
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	99	99	$205.84	$113.69
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	84	37	$30.00	$7.03
73030 X-ray of shoulder, minimum of 2 views	47	20	$88.68	$26.19
29405 Application of short leg cast	42	21	$228.00	$86.12
Q4038 Cast supplies, short leg cast, adult (11 years +), fiberglass	41	22	$80.00	$40.81
73502 X-ray of hip, 2-3 views	33	25	$113.88	$34.04
73552 X-ray of thigh bone, minimum 2 views	32	17	$86.63	$31.71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	29	29	$254.00	$144.13
73650 X-ray of heel, minimum of 2 views	25	21	$93.00	$28.83
20605 Aspiration and/or injection of medium joint or joint capsule	22	17	$182.00	$54.16
73630 X-ray of foot, minimum of 3 views	18	16	$25.00	$8.09
73590 X-ray of lower leg, 2 views	18	11	$93.56	$27.98
73560 X-ray of knee, 1-2 views	17	12	$80.82	$25.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	16	$268.00	$152.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$311.00	$166.90
27245 Treatment of broken neck of thigh bone with bone implant	13	13	$5310.58	$1372.00
20245 Biopsy of deep bone	12	11	$1963.00	$210.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	220	146	$123.00	$75.48
73630 X-ray of foot, minimum of 3 views	213	132	$102.89	$29.92
73610 X-ray of ankle, minimum of 3 views	209	117	$101.01	$31.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	205	180	$194.00	$110.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	93	93	$205.00	$113.64
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	80	34	$30.00	$6.88
Q4038 Cast supplies, short leg cast, adult (11 years +), fiberglass	34	20	$80.00	$40.33
29405 Application of short leg cast	34	18	$228.00	$85.65
73502 X-ray of hip, 2-3 views	32	15	$126.13	$37.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$311.00	$168.17
73552 X-ray of thigh bone, minimum 2 views	30	14	$88.30	$31.96
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$254.00	$144.18
73650 X-ray of heel, minimum of 2 views	22	19	$93.00	$28.51
20605 Aspiration and/or injection of medium joint or joint capsule	16	13	$182.00	$52.12
73610 X-ray of ankle, minimum of 3 views	15	14	$26.00	$9.24
73562 X-ray of knee, 3 views	14	12	$106.29	$35.93
20680 Removal of deep implant from bone	13	11	$1132.15	$359.77
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$268.00	$151.62

Medical Specialties & State Licenses

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License IL 036123834

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Orthopaedic Surgery - Foot and Ankle Surgery

NUCC Taxonomy Code: 207XX0004X

State License IL 036-123834

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036123834 (IL)

Commercial Insurance / Payer ID Medicare Individual

206147133 (IL)

Commercial Insurance / Payer ID Rr Medicare

P01179010 (IL)

Commercial Insurance / Payer ID Medicare Group

206147 (IL)

Hospital & Practice Group Affiliations

Central Dupage Physician Group

27650 Ferry Rd, Warrenville, IL 605553845

Phone: 6302252663

Central Dupage Physician Group

25 N Winfield Rd, Winfield, IL 601901295

Central Dupage Physician Group

885 Roosevelt Rd, Glen Ellyn, IL 601376141

Select Rehabilitation, Llc

2600 Compass Rd, Glenview, IL 600268001

Central Dupage Physician Group

304 Randall Rd, Geneva, IL 601344200

Phone: 6303077799

Central Dupage Physician Group

300 Randall Rd, Geneva, IL 601344200

Phone: 6309334700

Central Dupage Physician Group

1800 N Main St, Wheaton, IL 601873112

Phone: 6309334800

Practice Associates & Co-Workers

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

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Certified Athletic Trainer

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Doctor of Medicine (M.D.)

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Doctor of Medicine (M.D.)

Daniel O'donnell , PA

Physician Assistant - Surgical

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Physician Assistant

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active April 01, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location April 01, 2014

Registered at 27650 FERRY RD, SUITE 100, WARRENVILLE, IL 605553845 (Tel: 6302252663)

📍

Updated Business Mailing Address April 01, 2014

Registered at 27650 FERRY RD, SUITE 100, WARRENVILLE, IL 605553845 (Tel: 6302252663)

👤

Provider Name / Credentials Updated April 01, 2014

Recorded as GREGORY WITKOWSKI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 01, 2014

Orthopaedic Surgery (License #036-123834 in IL)

🟢

Initial NPI Registration & Enumeration May 17, 2007

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: 1750598850

Entity Type:

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

Enumeration Date: May 17, 2007

Last Update: February 19, 2018

Sole Proprietor: No

Update or Correct Profile

Mailing Address

27650 Ferry Rd, Suite 100

Warrenville, IL 605553845

Phone: 6302252663

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.