Active NPI 1912923095 Individual Practitioner Female Practitioner

Dr. Catherine M Dudley , MD

Dermatology • Aurora, IL

Professional Overview & Biography Verified Profile Summary

Dr. Catherine Dudley, MD is a certified Dermatology practicing in Aurora, IL. With approximately 41 years of clinical experience since graduating from Loyola University Of Chicago, Stritch School Of Medicine in 1985, Dr. Dudley delivers high-quality medical care to the local community at 4100 HEALTHWAY DR.

Dr. Dudley does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include destruction of precancer skin growth, 2-14 growths, established patient outpatient office visit, tangential biopsy of single skin lesion. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4100 Healthway Dr

Aurora, IL 605044163

Telephone 6308513105

Associated Practice Facility / Clinic

🏢 Dreyer Clinic, Inc Facility NPI 1407221898

Medicare Profile & Education

Medical School

Loyola University Of Chicago, Stritch School Of Medicine

Graduation Year

1985

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Aurora, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

41 Yrs +20.3 yrs vs City Avg

City Avg: 20.7 Yrs

State Avg: 23.1 Yrs

Regional Practice Density

9 Specialists

Practicing in Aurora, IL (673 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

58.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dudley (41 Years) 41 Yrs

Aurora Specialty Average (20.7 Years) 20.7 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
17003 Destruction of precancer skin growth, 2-14 growths	205	49	$51.00	$6.80
99213 Established patient office or other outpatient visit, typically 15 minutes	165	140	$198.00	$93.41
11102 Tangential biopsy of single skin lesion	101	94	$217.00	$95.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	84	84	$249.00	$115.50
17000 Destruction of skin growth	80	68	$204.00	$52.17
17110 Destruction of up to 14 skin growths	66	57	$241.00	$106.29
11103 Biopsy of related skin growth, each additional growth	55	40	$116.00	$51.86
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	30	$124.00	$57.75
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	30	26	$425.00	$163.25
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	21	20	$262.00	$101.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	21	$279.00	$131.91
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	20	18	$297.00	$120.33
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	16	16	$304.00	$137.42
17263 Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm	13	12	$469.00	$192.26
11200 Removal of skin tag, 1-15 skin tags	11	11	$201.00	$65.54
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$167.00	$74.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	214	54	$51.00	$6.98
99213 Established patient office or other outpatient visit, typically 15 minutes	181	158	$178.00	$92.91
11102 Tangential biopsy of single skin lesion	99	86	$217.00	$98.64
17000 Destruction of skin growth	96	80	$204.00	$53.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	86	86	$237.00	$114.16
11103 Biopsy of related skin growth, each additional growth	71	35	$116.00	$53.15
17110 Destruction of up to 14 skin growths	45	41	$241.00	$112.19
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	37	23	$425.00	$148.10
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	34	$118.00	$59.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	28	$259.00	$132.78
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	30	24	$262.00	$110.26
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	19	18	$304.00	$122.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$352.00	$173.44
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	15	12	$458.00	$172.65
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	14	14	$297.00	$129.78
11200 Removal of skin tag, 1-15 skin tags	14	14	$201.00	$76.12
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$159.00	$75.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	244	208	$161.00	$95.61
17003 Destruction of precancer skin growth, 2-14 growths	217	44	$51.00	$7.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	104	104	$237.00	$118.87
11102 Tangential biopsy of single skin lesion	94	88	$217.00	$100.78
17000 Destruction of skin growth	75	63	$204.00	$49.65
17110 Destruction of up to 14 skin growths	54	52	$241.00	$113.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	36	$235.00	$131.26
11103 Biopsy of related skin growth, each additional growth	38	23	$116.00	$55.29
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	32	$112.00	$60.16
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	29	27	$425.00	$172.00
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	28	15	$4.00	$1.13
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	25	24	$262.00	$111.56
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	22	21	$304.00	$146.71
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	20	17	$297.00	$127.75
11900 Injection into skin growth, 1-7 growths	16	13	$139.00	$58.94
11200 Removal of skin tag, 1-15 skin tags	16	16	$201.00	$81.73
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$159.00	$72.05
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	13	13	$266.00	$109.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$352.00	$176.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	276	233	$153.00	$96.26
17003 Destruction of precancer skin growth, 2-14 growths	216	49	$51.00	$6.96
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	137	137	$236.00	$118.71
11102 Tangential biopsy of single skin lesion	115	106	$217.00	$102.23
17000 Destruction of skin growth	82	75	$204.00	$51.59
17110 Destruction of up to 14 skin growths	61	52	$241.00	$108.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	43	$224.00	$137.74
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	42	11	$4.00	$1.23
11103 Biopsy of related skin growth, each additional growth	39	26	$116.00	$57.31
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	34	30	$262.00	$115.37
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	25	23	$297.00	$140.33
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	24	19	$425.00	$160.78
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	23	18	$304.00	$127.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$341.00	$177.05
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$107.00	$59.81
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$159.00	$78.13
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	13	12	$266.00	$109.75
11200 Removal of skin tag, 1-15 skin tags	12	11	$201.00	$81.03
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	12	12	$311.00	$137.56
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	11	11	$458.00	$176.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	187	162	$146.00	$78.77
17003 Destruction of precancer skin growth, 2-14 growths	186	40	$51.00	$6.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	106	100	$213.00	$113.82
99202 New patient office or other outpatient visit, typically 20 minutes	83	83	$159.00	$79.51
11102 Tangential biopsy of single skin lesion	80	74	$217.00	$90.45
17000 Destruction of skin growth	74	64	$204.00	$51.80
11103 Biopsy of related skin growth, each additional growth	42	23	$116.00	$57.52
17110 Destruction of up to 14 skin growths	40	35	$241.00	$107.24
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	24	21	$304.00	$139.16
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	20	20	$262.00	$118.13
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	20	14	$425.00	$137.81
17282 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	14	14	$564.00	$212.75
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$102.00	$48.77
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	12	11	$297.00	$135.59
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	12	12	$343.00	$171.16
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	11	11	$266.00	$126.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	236	63	$51.00	$6.15
99213 Established patient office or other outpatient visit, typically 15 minutes	230	170	$146.00	$77.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	127	114	$212.47	$114.07
11102 Tangential biopsy of single skin lesion	117	104	$214.00	$89.42
17000 Destruction of skin growth	106	90	$204.00	$52.02
99202 New patient office or other outpatient visit, typically 20 minutes	100	100	$159.00	$79.77
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	73	16	$4.00	$1.59
11103 Biopsy of related skin growth, each additional growth	50	30	$116.00	$56.06
17110 Destruction of up to 14 skin growths	49	44	$230.00	$103.56
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	47	32	$253.00	$100.12
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	30	21	$264.00	$117.25
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	24	21	$425.00	$153.12
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	23	17	$258.00	$99.29
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	22	20	$299.00	$137.42
17282 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	19	19	$564.00	$222.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$225.00	$115.47
11900 Injection into skin growth, 1-7 growths	18	11	$139.00	$51.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	13	$102.00	$47.91
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	17	13	$458.00	$155.03
11200 Removal of skin tag, 1-15 skin tags	17	16	$201.00	$69.98
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	16	14	$305.00	$145.35
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	14	13	$788.00	$288.97
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	12	11	$241.00	$97.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	232	50	$35.27	$5.72
99213 Established patient office or other outpatient visit, typically 15 minutes	190	162	$138.36	$76.17
99202 New patient office or other outpatient visit, typically 20 minutes	109	109	$152.39	$77.55
11100 Biopsy of single growth of skin and/or tissue	100	95	$255.00	$99.88
17000 Destruction of skin growth	81	68	$197.21	$53.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	68	$204.51	$108.59
17110 Destruction of up to 14 skin growths	54	48	$205.56	$108.36
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	35	31	$240.66	$109.29
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	35	31	$283.29	$130.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	25	$94.40	$43.97
11101 Biopsy of each additional growth of skin and/or tissue	29	16	$106.90	$35.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$216.12	$111.17
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	26	26	$264.00	$92.68
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	23	15	$425.00	$139.06
11200 Removal of skin tag, 1-15 skin tags	20	19	$201.00	$76.88
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	16	15	$241.75	$97.97
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	14	12	$305.00	$150.96
11307 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	12	12	$285.00	$142.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	242	197	$124.00	$76.55
17003 Destruction of precancer skin growth, 2-14 growths	186	51	$26.00	$6.10
99202 New patient office or other outpatient visit, typically 20 minutes	100	100	$141.00	$78.34
11100 Biopsy of single growth of skin and/or tissue	90	82	$255.00	$94.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	76	72	$193.00	$111.68
17000 Destruction of skin growth	76	71	$194.00	$54.75
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	45	11	$3.00	$1.79
11101 Biopsy of each additional growth of skin and/or tissue	42	24	$95.00	$35.17
17110 Destruction of up to 14 skin growths	40	40	$190.00	$100.04
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	37	30	$229.00	$102.39
11311 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.6-1.0 cm	34	27	$264.00	$99.56
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	30	27	$274.00	$144.03
11200 Removal of skin tag, 1-15 skin tags	21	20	$201.00	$66.20
11306 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	16	13	$238.00	$114.00
17263 Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm	16	12	$469.00	$178.57
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	15	$83.00	$45.85
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	14	13	$425.00	$160.02
11312 Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	13	11	$305.00	$158.68
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	12	11	$208.00	$104.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$204.00	$114.50
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	11	11	$1426.00	$510.35

Medical Specialties & State Licenses

CMS Verified: 2025-06-17

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License IL 036-074033

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036074033 (IL)

Practice Associates & Co-Workers

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

25 Associated Practitioners

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Internal Medicine

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Doctor of Medicine (M.D.)

Autumn Bryant , MA, CCC-SLP, L

Speech-Language Pathologist

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Master of Arts, Speech-Language Pathologist (Certificate of Clinical Competence), L

Carrie Summers , LCSW

Social Worker - Clinical

NPI 1073078317

Licensed Clinical Social Worker

James Meier , MSW, LCSW

Social Worker - Clinical

NPI 1104191253

Master of Social Work, Licensed Clinical Social Worker

Sara Bealert , PA

Physician Assistant - Medical

NPI 1134115330

Physician Assistant

Dr. Rebecca Mortland , PsyD

Psychologist - Clinical

NPI 1164850905

Doctor of Psychology (Psy.D.)

Career & Practice History Timeline

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

12 Historical Events

📍

Updated Business Mailing Address June 17, 2025

Registered at 28594 NETWORK PL, CHICAGO, IL 606731285

✅

NPI Profile Active February 17, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address February 17, 2017

Registered at 2357 SEQUOIA DR, AURORA, IL 605066222 (Tel: 6308596800)

📍

Updated Practice Location February 17, 2017

Registered at 4100 HEALTHWAY DR, AURORA, IL 605044163 (Tel: 6308513105)

👤

Provider Name / Credentials Updated February 17, 2017

Recorded as CATHERINE DUDLEY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 17, 2017

Dermatology (License #036-074033 in IL)

✅

NPI Profile Active May 16, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location May 16, 2011

Registered at 4100 HEALTHWAY DR, AURORA, IL 605044163 (Tel: 6308513105)

📍

Updated Business Mailing Address May 16, 2011

Registered at 1870 W GALENA BLVD, AURORA, IL 605064356 (Tel: 6308596700)

👤

Provider Name / Credentials Updated May 16, 2011

Recorded as CATHERINE DUDLEY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 16, 2011

Dermatology (License #036-074033 in IL)

🟢

Initial NPI Registration & Enumeration July 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1912923095

Entity Type:

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

Enumeration Date: July 14, 2006

Last Update: June 17, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

28594 Network Pl

Chicago, IL 606731285

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.