Active NPI 1912973686 Individual Practitioner Male Practitioner

Dr. Gregory S Grant , MD

Surgery • Naperville, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Grant, MD is a certified Surgery practicing in Naperville, IL. With approximately 34 years of clinical experience since graduating from University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb) in 1992, Dr. Grant delivers high-quality medical care to the local community at 120 SPALDING DR.

Dr. Grant is affiliated with Dupage Medical Group Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

120 Spalding Dr
Ste 100

Naperville, IL 60540

Telephone 6309610423

Fax 6309619280

Associated Practice Facility / Clinic

🏢 Academic Endocrine Metabolism & Nutrition Facility NPI 1912963919

Medicare Profile & Education

Medical School

University Of Illinois College Of Med (Chi/peor/rock/chm-Urb)

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Naperville, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +11.7 yrs vs City Avg

City Avg: 22.3 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

15 Specialists

Practicing in Naperville, IL (1624 Statewide)

Telehealth Adoption Rate

6.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Grant (34 Years) 34 Yrs

Naperville Specialty Average (22.3 Years) 22.3 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	59	59	$359.00	$172.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	25	$229.00	$131.70
99213 Established patient office or other outpatient visit, typically 15 minutes	24	20	$157.00	$93.44
36415 Insertion of needle into vein for collection of blood sample	20	20	$20.00	$8.65
49650 Repair of groin hernia using an endoscope	18	18	$2006.89	$506.82
80053 Blood test, comprehensive group of blood chemicals	16	16	$55.00	$10.35
47562 Removal of gallbladder using an endoscope	14	14	$2700.00	$711.30
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$219.00	$85.25
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	13	13	$40.00	$7.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$235.00	$115.51

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	46	46	$235.00	$117.36
36415 Insertion of needle into vein for collection of blood sample	34	34	$20.00	$8.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	23	$94.00	$58.99
80053 Blood test, comprehensive group of blood chemicals	29	29	$55.00	$10.05
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	25	25	$40.00	$7.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$359.00	$165.09
99213 Established patient office or other outpatient visit, typically 15 minutes	16	16	$157.00	$93.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$229.00	$127.05
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$160.00	$75.59
49650 Repair of groin hernia using an endoscope	12	12	$1915.67	$511.23
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$219.00	$86.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	36	36	$160.00	$77.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	27	$94.00	$60.11
99213 Established patient office or other outpatient visit, typically 15 minutes	21	21	$157.00	$95.81
U0003 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r	17	16	$300.00	$74.78
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	15	$43.00	$24.75
U0005 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within	16	15	$75.00	$24.94
36415 Insertion of needle into vein for collection of blood sample	15	14	$20.00	$2.96
49650 Repair of groin hernia using an endoscope	15	15	$1773.36	$484.11
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	13	12	$218.00	$106.26
99221 Initial hospital inpatient care per day, typically 30 minutes	12	11	$219.00	$105.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$235.00	$119.61

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	46	46	$235.00	$119.52
U0003 Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r	38	38	$300.00	$75.00
99213 Established patient office or other outpatient visit, typically 15 minutes	31	30	$157.00	$98.43
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	24	$94.00	$60.61
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	25	25	$43.00	$24.57
49650 Repair of groin hernia using an endoscope	23	23	$1856.17	$502.15
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$160.00	$79.22
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$219.00	$108.21
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	16	12	$218.00	$109.44
36415 Insertion of needle into vein for collection of blood sample	15	14	$20.00	$3.00

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	63	63	$235.00	$116.21
99213 Established patient office or other outpatient visit, typically 15 minutes	51	45	$157.00	$80.42
49650 Repair of groin hernia using an endoscope	17	17	$2124.94	$538.47
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	17	16	$43.00	$24.98
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	16	13	$218.00	$111.90
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$295.00	$148.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$94.00	$49.32
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$219.00	$110.76

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	42	42	$235.00	$113.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	25	$94.00	$48.09
99213 Established patient office or other outpatient visit, typically 15 minutes	24	22	$157.00	$78.95
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	14	$295.00	$146.01
36415 Insertion of needle into vein for collection of blood sample	11	11	$20.00	$2.94

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	57	57	$235.00	$113.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	41	$94.00	$46.25
99213 Established patient office or other outpatient visit, typically 15 minutes	35	30	$157.00	$76.77
36415 Insertion of needle into vein for collection of blood sample	17	16	$20.00	$2.94
49650 Repair of groin hernia using an endoscope	13	13	$1894.62	$516.36

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	67	67	$235.00	$114.63
99213 Established patient office or other outpatient visit, typically 15 minutes	49	43	$157.00	$75.44
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	17	$94.00	$45.96
47562 Removal of gallbladder using an endoscope	16	16	$2700.00	$740.16
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$219.00	$107.61
49650 Repair of groin hernia using an endoscope	13	13	$1768.31	$447.67
36415 Insertion of needle into vein for collection of blood sample	11	11	$20.00	$2.94

Medical Specialties & State Licenses

CMS Verified: 2023-08-08

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036093207

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

Dupage Medical Group Ltd

2100 Glenwood Ave, Joliet, IL 604355487

Phone: 8157252121

Dupage Medical Group Ltd

30 Stratford Dr, Bloomingdale, IL 601082201

Phone: 6308932210

Dupage Medical Group Ltd

120 Spalding Dr, Naperville, IL 605406521

Phone: 6305276360

Dupage Medical Group Ltd

430 Pennsylvania Ave, Glen Ellyn, IL 601374464

Phone: 6304699200

Dupage Medical Group Ltd

430 Warrenville Rd, Lisle, IL 605321348

Phone: 6304326180

Dupage Medical Group Ltd

17495 La Grange Rd, Tinley Park, IL 604877581

Phone: 7082267000

Dupage Medical Group Ltd

40 S Clay St, Hinsdale, IL 605213257

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. James Wielgolewski , MD

Surgery

NPI 1134193493

Doctor of Medicine (M.D.)

Dr. Louis Montana , MD

Surgery

NPI 1184698425

Doctor of Medicine (M.D.)

Sean Saunders , CSFA

Specialist/Technologist, Other - Surgical Assistant

NPI 1225480635

Dr. Bart Green , MD

Surgery

NPI 1386610087

Doctor of Medicine (M.D.)

Dr. Carly Richards , MD

Surgery

NPI 1518305119

Doctor of Medicine (M.D.)

Tiffany Louie , PA-C

Physician Assistant

NPI 1548009913

Physician Assistant (Certified)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Business Mailing Address August 08, 2023

Registered at PO BOX 713260, CHICAGO, IL 606771260 (Tel: 6304699200)

✅

NPI Profile Active February 04, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location February 04, 2011

Registered at 120 SPALDING DR, STE 100, NAPERVILLE, IL 60540 (Tel: 6309610423)

📍

Updated Business Mailing Address February 04, 2011

Registered at 1860 PAYSPHERE CIR, CHICAGO, IL 606740018 (Tel: 6309610423)

👤

Provider Name / Credentials Updated February 04, 2011

Recorded as GREGORY GRANT, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 04, 2011

Surgery (License #036093207 in IL)

🟢

Initial NPI Registration & Enumeration February 23, 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: 1912973686

Entity Type:

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

Enumeration Date: February 23, 2006

Last Update: August 08, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 713260

Chicago, IL 606771260

Phone: 6304699200

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.