Active NPI 1093980872 Individual Practitioner Male Practitioner

Dr. Charles R Gruner , MD

Surgery • Evanston, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Charles Gruner, MD is a certified Surgery practicing in Evanston, IL. With approximately 24 years of clinical experience since graduating from Boston University School Of Medicine in 2002, Dr. Gruner delivers high-quality medical care to the local community at 800 AUSTIN ST.

Dr. Gruner is affiliated with Prime Healthcare Illinois Medical Group Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least, 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

800 Austin St
East Tower, Suite 563

Evanston, IL 602023439

Telephone 8478690522

Fax 8478690652

Associated Practice Facility / Clinic

🏢 Ann E Kinnealey Md Pc Facility NPI 1588659130

Medicare Profile & Education

Medical School

Boston University School Of Medicine

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Evanston, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs +2.3 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

In-Person Office Visits Only

Medicare Pricing Discount

47.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gruner (24 Years) 24 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	97	58	$162.00	$80.67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	45	37	$297.00	$133.59
99213 Established patient office or other outpatient visit, typically 15 minutes	32	22	$157.00	$93.83
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	12	$94.00	$57.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	17	$230.00	$132.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$356.00	$174.21
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$235.00	$115.98
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	11	$311.00	$187.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	135	80	$162.00	$83.01
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	51	45	$297.00	$137.36
99213 Established patient office or other outpatient visit, typically 15 minutes	45	34	$157.00	$94.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	22	$230.00	$133.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$356.00	$175.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$235.00	$118.82
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$94.00	$59.20
76705 Limited ultrasound scan of abdomen	11	11	$196.00	$29.68
76604 Ultrasound scan of chest	11	11	$61.00	$27.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	200	110	$162.00	$75.82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	56	53	$297.00	$145.24
99213 Established patient office or other outpatient visit, typically 15 minutes	48	34	$157.00	$97.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	27	$230.00	$137.60
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$439.00	$212.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$356.00	$181.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$235.00	$122.43
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$223.00	$109.96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	11	11	$225.00	$109.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	127	77	$193.54	$77.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	56	55	$349.57	$146.88
99213 Established patient office or other outpatient visit, typically 15 minutes	46	35	$155.78	$99.05
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	30	$519.52	$215.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$234.48	$122.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	22	$236.67	$130.73
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	15	$91.83	$55.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$374.81	$183.11
99221 Initial hospital inpatient care per day, typically 30 minutes	16	16	$242.13	$110.55
76604 Ultrasound scan of chest	12	12	$118.67	$29.20
76705 Limited ultrasound scan of abdomen	12	12	$195.67	$31.46
45380 Biopsy of large bowel using an endoscope	11	11	$926.09	$176.00
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	11	11	$279.55	$110.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	282	104	$212.94	$78.33
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	113	110	$529.42	$220.05
99213 Established patient office or other outpatient visit, typically 15 minutes	46	34	$150.00	$80.81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	32	31	$325.00	$112.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	25	$242.50	$117.08
99291 Critical care, first 30-74 minutes	24	24	$688.54	$244.74
99292 Critical care, each additional 30 minutes	19	19	$336.84	$123.49
76937 Ultrasonic guidance for blood vessel access	18	18	$139.44	$15.75
45380 Biopsy of large bowel using an endoscope	15	14	$840.33	$185.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$425.00	$179.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$245.00	$109.89
76536 Ultrasound of head and neck	13	13	$220.38	$30.42
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	13	13	$188.08	$20.45
76604 Ultrasound scan of chest	12	12	$142.50	$29.73
76705 Limited ultrasound scan of abdomen	11	11	$123.20	$31.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	254	104	$185.00	$76.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	140	138	$400.00	$213.35
99213 Established patient office or other outpatient visit, typically 15 minutes	75	39	$150.00	$78.53
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	59	52	$325.00	$110.78
99291 Critical care, first 30-74 minutes	38	37	$600.00	$240.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	31	$235.00	$114.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$425.00	$175.44
76937 Ultrasonic guidance for blood vessel access	28	28	$195.00	$15.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$245.00	$111.99
99292 Critical care, each additional 30 minutes	26	26	$300.00	$120.58
76705 Limited ultrasound scan of abdomen	24	23	$63.36	$31.05
76604 Ultrasound scan of chest	24	23	$135.00	$27.43
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	20	20	$135.00	$19.29
76536 Ultrasound of head and neck	17	17	$195.00	$29.97
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$135.00	$47.71
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$400.00	$220.60
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$295.00	$154.18
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	13	13	$495.00	$95.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	324	129	$185.00	$76.93
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	162	156	$400.00	$214.74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	75	60	$325.00	$110.63
99213 Established patient office or other outpatient visit, typically 15 minutes	65	44	$150.00	$76.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	43	$235.00	$113.20
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$425.00	$175.09
76937 Ultrasonic guidance for blood vessel access	33	27	$195.00	$15.37
99291 Critical care, first 30-74 minutes	26	26	$600.00	$238.61
99292 Critical care, each additional 30 minutes	22	22	$300.00	$119.99
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	21	19	$135.00	$20.01
76536 Ultrasound of head and neck	20	20	$195.00	$29.74
45380 Biopsy of large bowel using an endoscope	16	16	$1295.00	$201.96
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	15	13	$1824.00	$274.81
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	14	14	$695.00	$111.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$245.00	$115.62
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	14	14	$495.00	$107.99
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	13	12	$395.00	$6.40
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$3300.00	$831.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	234	96	$185.00	$76.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	212	128	$325.00	$110.87
99213 Established patient office or other outpatient visit, typically 15 minutes	52	39	$150.00	$76.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	39	$235.00	$113.01
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	37	$400.00	$215.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$425.00	$169.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$245.00	$111.17
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$400.00	$220.42
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$295.00	$152.65
99291 Critical care, first 30-74 minutes	11	11	$600.00	$240.30

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036115417

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036115417 (IL)

Hospital & Practice Group Affiliations

Prime Healthcare Illinois Medical Group Llc

800 Austin St, Evanston, IL 602023456

Phone: 8478690522

Prime Healthcare Illinois Medical Group Llc

355 Ridge Ave, Evanston, IL 602023328

Phone: 8473164000

Prime Healthcare Illinois Medical Group Llc

100 N River Rd, Des Plaines, IL 600161209

Phone: 8472971800

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Matthew Hyser , MD

Surgery - Surgical Critical Care

NPI 1336155092

Doctor of Medicine (M.D.)

Dr. Kevin Halstuk , MD

Specialist

NPI 1609984293

Doctor of Medicine (M.D.)

Dr. Dean Kristl , MD

Surgery

NPI 1790040988

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active October 19, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location October 19, 2011

Registered at 800 AUSTIN ST, EAST TOWER, SUITE 563, EVANSTON, IL 602023439 (Tel: 8478690522)

📍

Updated Business Mailing Address October 19, 2011

Registered at 800 AUSTIN ST, EAST TOWER, SUITE 563, EVANSTON, IL 602023439 (Tel: 8478690522)

👤

Provider Name / Credentials Updated October 19, 2011

Recorded as CHARLES GRUNER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 19, 2011

Surgery (License #036115417 in IL)

🟢

Initial NPI Registration & Enumeration April 23, 2008

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: 1093980872

Entity Type:

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

Enumeration Date: April 23, 2008

Last Update: October 19, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

800 Austin St, East Tower, Suite 563

Evanston, IL 602023439

Phone: 8478690522

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.