Active NPI 1881658193 Individual Practitioner Male Practitioner

Dr. Ervin Denham , MD

Surgery • Evanston, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Ervin Denham, MD is a certified Surgery practicing in Evanston, IL. With approximately 33 years of clinical experience since graduating from University Of Louisville School Of Medicine in 1993, Dr. Denham delivers high-quality medical care to the local community at 2650 RIDGE AVE.

Dr. Denham is affiliated with Endeavor Health Medical Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, repair of groin hernia using an endoscope, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2650 Ridge Ave

Evanston, IL 602011718

Telephone 8475704120

Fax 8475701330

Associated Practice Facility / Clinic

🏢 Endeavor Health Clinical Operations Facility NPI 1184670549

Medicare Profile & Education

Medical School

University Of Louisville School Of Medicine

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Evanston, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +11.3 yrs vs City Avg

City Avg: 21.7 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

18 Specialists

Practicing in Evanston, IL (1624 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

65.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Denham (33 Years) 33 Yrs

Evanston Specialty Average (21.7 Years) 21.7 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
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$129.00	$87.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$129.00	$85.59
49650 Repair of groin hernia using an endoscope	42	42	$1989.33	$558.40
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	26	$42.00	$37.48
99213 Established patient office or other outpatient visit, typically 15 minutes	25	24	$75.00	$68.49
99213 Established patient office or other outpatient visit, typically 15 minutes	19	18	$81.58	$69.55
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	16	$42.00	$36.86
99231 Follow-up hospital inpatient care per day, typically 15 minutes	13	11	$93.00	$51.69
47562 Removal of gallbladder using an endoscope	12	12	$2528.00	$739.42
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$59.00	$49.37
49591 Initial repair of sliding hernia of abdomen, less than 3 cm in length	11	11	$854.00	$293.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	52	52	$131.40	$87.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$129.00	$89.89
49650 Repair of groin hernia using an endoscope	40	40	$1753.10	$517.41
99213 Established patient office or other outpatient visit, typically 15 minutes	24	23	$75.00	$69.37
99213 Established patient office or other outpatient visit, typically 15 minutes	21	21	$75.00	$70.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	17	14	$93.00	$53.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$42.00	$37.45
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$59.00	$50.65
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$59.00	$51.52
49591 Initial repair of sliding hernia of abdomen, less than 3 cm in length	12	12	$854.00	$366.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	56	56	$132.75	$91.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$132.79	$89.37
99213 Established patient office or other outpatient visit, typically 15 minutes	28	27	$67.71	$61.01
49650 Repair of groin hernia using an endoscope	25	25	$1790.40	$547.38
99213 Established patient office or other outpatient visit, typically 15 minutes	21	20	$67.71	$61.88
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	15	$93.00	$41.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	11	$31.60	$31.20
47562 Removal of gallbladder using an endoscope	14	14	$2528.00	$756.07
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$63.36	$52.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	69	56	$93.00	$40.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$142.14	$89.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$141.43	$91.48
49650 Repair of groin hernia using an endoscope	30	30	$1790.40	$526.63
99213 Established patient office or other outpatient visit, typically 15 minutes	25	25	$62.76	$57.03
99213 Established patient office or other outpatient visit, typically 15 minutes	24	21	$72.88	$60.30
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$65.00	$53.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$42.22	$29.61
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$65.00	$54.18
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$29.00	$29.32
47562 Removal of gallbladder using an endoscope	11	11	$2528.00	$759.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	95	72	$93.00	$42.48
99213 Established patient office or other outpatient visit, typically 15 minutes	25	22	$72.28	$56.24
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$83.79	$54.84
99213 Established patient office or other outpatient visit, typically 15 minutes	19	18	$76.79	$55.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$135.00	$82.24
47562 Removal of gallbladder using an endoscope	16	16	$2528.00	$730.37
49650 Repair of groin hernia using an endoscope	14	14	$1918.29	$576.28
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$101.62	$53.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$135.00	$83.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	52	42	$93.00	$41.99
49650 Repair of groin hernia using an endoscope	33	33	$1672.85	$518.16
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$135.00	$83.06
99213 Established patient office or other outpatient visit, typically 15 minutes	25	24	$58.00	$54.84
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$135.00	$81.67
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$65.00	$54.84
99213 Established patient office or other outpatient visit, typically 15 minutes	21	20	$63.57	$53.07
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$65.00	$54.11
47562 Removal of gallbladder using an endoscope	13	13	$2528.00	$760.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$123.00	$84.29
99201 New patient office or other outpatient visit, typically 10 minutes	11	11	$30.00	$29.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	96	77	$93.00	$41.43
99213 Established patient office or other outpatient visit, typically 15 minutes	32	30	$58.00	$54.53
99213 Established patient office or other outpatient visit, typically 15 minutes	29	25	$69.38	$52.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$135.00	$83.18
99201 New patient office or other outpatient visit, typically 10 minutes	20	20	$30.00	$29.10
49650 Repair of groin hernia using an endoscope	19	19	$1806.11	$524.24
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$65.00	$54.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$141.88	$79.16
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$29.00	$27.24
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$65.00	$53.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	65	55	$93.00	$41.58
99213 Established patient office or other outpatient visit, typically 15 minutes	35	28	$61.14	$53.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$135.00	$81.74
99201 New patient office or other outpatient visit, typically 10 minutes	23	23	$30.00	$29.11
49650 Repair of groin hernia using an endoscope	21	21	$1847.24	$546.37
99213 Established patient office or other outpatient visit, typically 15 minutes	21	19	$58.00	$53.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$135.00	$83.40
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$65.00	$54.29
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$65.00	$53.49
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$29.00	$27.26
47562 Removal of gallbladder using an endoscope	12	12	$2528.00	$754.68

Medical Specialties & State Licenses

CMS Verified: 2021-01-22

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036103113

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Endeavor Health Medical Group

777 Park Ave W, Highland Park, IL 600352433

Endeavor Health Medical Group

1300 Oak Ave, Evanston, IL 602014205

Phone: 8478691300

Endeavor Health Medical Group

1000 Central St, Evanston, IL 602011780

Endeavor Health Medical Group

1000 Central St, Evanston, IL 602011779

Endeavor Health Medical Group

9600 Gross Point Rd, Skokie, IL 600761214

Endeavor Health Medical Group

1200 S York St, Elmhurst, IL 601265626

Phone: 3312216180

Endeavor Health Medical Group

1200 S York Rd, Elmhurst, IL 601265626

Phone: 6305273200

Endeavor Health Medical Group

2650 Ridge Ave, Evanston, IL 602011700

Endeavor Health Medical Group

225 N Milwaukee Ave, Vernon Hills, IL 600614304

Phone: 8479417600

Endeavor Health Medical Group

1200 S York St, Elmhurst, IL 601265626

Phone: 3312216636

Endeavor Health Medical Group

7900 Rollins Rd, Gurnee, IL 600311512

Practice Associates & Co-Workers

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

2 Associated Practitioners

Amy Brophy , PA

Physician Assistant - Surgical

NPI 1366653966

Physician Assistant

Anne Sebastian , PA

Physician Assistant - Surgical

NPI 1700833522

Physician Assistant

Career & Practice History Timeline

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

7 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 22, 2021

Surgery (License #036103113 in IL)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 2650 RIDGE AVE, EVANSTON, IL 602011718 (Tel: 8475704120)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2650 RIDGE AVE, EVANSTON, IL 602011718 (Tel: 8475704120)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as ERVIN DENHAM, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery

🟢

Initial NPI Registration & Enumeration April 13, 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: 1881658193

Entity Type:

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

Enumeration Date: April 13, 2006

Last Update: January 22, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2650 Ridge Ave

Evanston, IL 602011718

Phone: 8475704120

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.