Active NPI 1487693610 Individual Practitioner Male Practitioner

Dr. Gary Gruber , MD

Internal Medicine • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Gary Gruber, MD is a certified Internal Medicine practicing in Chicago, IL. With approximately 42 years of clinical experience since graduating from Icahn School Of Medicine At Mount Sinai in 1984, Dr. Gruber delivers high-quality medical care to the local community at 676 N SAINT CLAIR ST.

Dr. Gruber is affiliated with Northwestern Medical Faculty Foundation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

676 N Saint Clair St
Suite 415

Chicago, IL 606112927

Telephone 3129266146

Fax 3129264398

Associated Practice Facility / Clinic

🏢 Orthopedic Associates Of Chicago Facility NPI 1376515866

Medicare Profile & Education

Medical School

Icahn School Of Medicine At Mount Sinai

Graduation Year

1984

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +20.2 yrs vs City Avg

City Avg: 21.8 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

2969 Specialists

Practicing in Chicago, IL (7544 Statewide)

Telehealth Adoption Rate

12.8% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

57.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gruber (42 Years) 42 Yrs

Chicago Specialty Average (21.8 Years) 21.8 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	501	320	$323.00	$135.34
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	341	341	$373.00	$138.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	248	222	$434.00	$192.82
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	203	149	$88.00	$17.41
83036 Hemoglobin A1C level	153	99	$69.00	$9.52
G0008 Administration of influenza virus vaccine	85	84	$57.00	$33.70
90662 Influenza vaccine split virus, preservative free	83	82	$110.00	$81.11
93000 Routine ekg using at least 12 leads including interpretation and report	80	77	$140.00	$15.27
36415 Insertion of needle into vein for collection of blood sample	68	64	$20.00	$8.65
99213 Established patient office or other outpatient visit, typically 15 minutes	68	62	$219.00	$93.79
G0009 Administration of pneumococcal vaccine	16	16	$57.00	$33.70
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	15	15	$397.00	$287.18
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	15	15	$452.00	$176.26
93040 Tracing of electrical activity of heart using 1-3 leads with interpretation and report	13	13	$195.00	$14.09

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	584	355	$323.00	$135.47
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	299	299	$373.00	$136.97
83036 Hemoglobin A1C level	153	98	$69.00	$9.52
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	147	121	$434.00	$189.10
36415 Insertion of needle into vein for collection of blood sample	137	119	$20.00	$8.40
93000 Routine ekg using at least 12 leads including interpretation and report	91	82	$140.00	$15.57
99213 Established patient office or other outpatient visit, typically 15 minutes	84	73	$219.00	$94.28
G0008 Administration of influenza virus vaccine	69	68	$57.00	$32.32
90662 Influenza vaccine split virus, preservative free	67	66	$110.00	$71.73
G0009 Administration of pneumococcal vaccine	39	39	$57.00	$32.32
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	34	34	$397.00	$281.18
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	17	17	$452.00	$176.19
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	15	15	$562.00	$175.84

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	633	378	$323.00	$136.26
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	288	288	$373.00	$139.91
83036 Hemoglobin A1C level	180	104	$69.00	$9.58
99213 Established patient office or other outpatient visit, typically 15 minutes	115	95	$219.00	$97.78
93000 Routine ekg using at least 12 leads including interpretation and report	98	90	$140.00	$15.60
G0008 Administration of influenza virus vaccine	84	84	$57.00	$31.05
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	82	71	$434.00	$194.39
90662 Influenza vaccine split virus, preservative free	81	81	$110.00	$68.42
G0009 Administration of pneumococcal vaccine	46	46	$57.00	$31.17
36415 Insertion of needle into vein for collection of blood sample	42	38	$20.00	$2.96
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	28	28	$397.00	$278.05
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	18	18	$185.00	$132.36
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	16	16	$452.00	$179.20
99442 Telephone medical discussion with physician, 11-20 minutes	15	13	$175.00	$97.47
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$562.00	$179.79

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	565	346	$323.00	$138.44
36415 Insertion of needle into vein for collection of blood sample	269	210	$20.00	$3.00
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	251	251	$373.00	$142.37
99213 Established patient office or other outpatient visit, typically 15 minutes	169	134	$219.00	$96.38
83036 Hemoglobin A1C level	121	81	$69.00	$9.71
G0008 Administration of influenza virus vaccine	115	113	$57.00	$17.93
90662 Influenza vaccine split virus, preservative free	109	108	$108.76	$65.14
93000 Routine ekg using at least 12 leads including interpretation and report	90	83	$140.00	$16.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	52	44	$434.00	$195.46
G0009 Administration of pneumococcal vaccine	30	30	$57.00	$17.92
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	28	28	$183.57	$125.49
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	18	18	$562.00	$179.67
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	17	17	$452.00	$180.04

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	476	318	$323.00	$116.47
36415 Insertion of needle into vein for collection of blood sample	420	280	$20.00	$2.98
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	197	197	$373.00	$124.67
99213 Established patient office or other outpatient visit, typically 15 minutes	148	96	$219.00	$80.84
G0008 Administration of influenza virus vaccine	114	111	$57.00	$17.65
90662 Influenza vaccine split virus, preservative free	111	108	$65.00	$60.38
83036 Hemoglobin A1C level	76	51	$69.00	$9.47
93000 Routine ekg using at least 12 leads including interpretation and report	68	64	$140.00	$18.59
99442 Telephone medical discussion with physician, 11-20 minutes	57	49	$175.00	$79.56
G0009 Administration of pneumococcal vaccine	35	35	$57.00	$17.64
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	30	30	$165.00	$119.65
99443 Telephone medical discussion with physician, 21-30 minutes	23	23	$250.00	$116.90
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	20	20	$562.00	$183.50
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	15	15	$452.00	$178.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	687	362	$20.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	545	327	$323.00	$114.86
99213 Established patient office or other outpatient visit, typically 15 minutes	314	193	$219.00	$78.43
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	212	212	$373.89	$123.83
83036 Hemoglobin A1C level	115	77	$69.00	$10.42
G0008 Administration of influenza virus vaccine	99	99	$57.00	$17.33
90662 Influenza vaccine split virus, preservative free	96	96	$65.00	$54.89
93000 Routine ekg using at least 12 leads including interpretation and report	68	66	$140.00	$18.35
G0009 Administration of pneumococcal vaccine	51	51	$57.00	$17.33
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	38	35	$434.00	$155.44
90670 Pneumococcal vaccine for injection into muscle	27	27	$343.00	$208.42
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	26	26	$562.00	$182.93
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	24	24	$452.00	$177.03
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	23	23	$165.00	$108.90
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	22	$132.00	$45.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	527	283	$20.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	424	261	$219.00	$74.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	387	226	$323.00	$109.51
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	134	134	$373.00	$118.86
G0008 Administration of influenza virus vaccine	105	105	$57.00	$21.31
90662 Influenza vaccine split virus, preservative free	97	97	$45.00	$44.10
93000 Routine ekg using at least 12 leads including interpretation and report	74	67	$140.00	$17.57
83036 Hemoglobin A1C level	65	45	$69.00	$11.75
G0009 Administration of pneumococcal vaccine	48	48	$57.00	$21.31
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	29	$434.00	$144.70
90670 Pneumococcal vaccine for injection into muscle	24	24	$343.00	$197.96
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	24	24	$165.00	$105.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$132.00	$44.87
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	18	18	$562.00	$175.05
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$452.00	$169.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	438	267	$219.00	$74.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	373	205	$323.00	$109.57
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	101	101	$562.00	$173.86
G0008 Administration of influenza virus vaccine	92	92	$57.00	$26.42
93000 Routine ekg using at least 12 leads including interpretation and report	84	73	$140.00	$17.54
90662 Influenza vaccine split virus, preservative free	82	82	$45.00	$44.10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	70	70	$373.00	$117.89
G0009 Administration of pneumococcal vaccine	60	60	$57.00	$26.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	48	44	$132.00	$44.10
83036 Hemoglobin A1C level	48	32	$69.00	$13.05
36415 Insertion of needle into vein for collection of blood sample	44	35	$20.00	$2.94
90670 Pneumococcal vaccine for injection into muscle	31	31	$343.00	$185.13
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	29	29	$165.00	$93.86
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	22	$434.00	$147.87
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$452.00	$167.62

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036071700

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

800 N Westmoreland Rd, Lake Forest, IL 600451687

Phone: 8475357647

Northwestern Medical Faculty Foundation

676 N Saint Clair, Chicago, IL 606112927

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

1135 W Delano Ct, Chicago, IL 606053457

Phone: 3126950665

Northwestern Medical Faculty Foundation

350 S Waukegan Rd, Deerfield, IL 600155239

Phone: 3129266146

Northwestern Medical Faculty Foundation

1135 S Delano Ct E, Chicago, IL 606053457

Phone: 6309331500

Northwestern Medical Faculty Foundation

1333 W Belmont Ave, Chicago, IL 606575785

Northwestern Medical Faculty Foundation

350 S Waukegan, Deerfield, IL 600155239

Phone: 3129263107

Northwestern Medical Faculty Foundation

4445 W Irving Park Rd, Chicago, IL 606412808

Northwestern Medical Faculty Foundation

4732 N Lincoln Ave, Chicago, IL 606258561

Phone: 8474752273

Northwestern Medical Faculty Foundation

4732 N Lincoln Ave, Chicago, IL 606258561

Phone: 3129266000

Northwestern Medical Faculty Foundation

171 N Aberdeen St, Chicago, IL 606071669

Phone: 3129264150

Northwestern Medical Faculty Foundation

660 N Westmoreland Rd, Lake Forest, IL 600451673

Phone: 3129266146

Northwestern Medical Faculty Foundation

800 N W Moreland Rd, Lake Forest, IL 600451687

Phone: 8475822104

Northwestern Medical Faculty Foundation

636 Raymond Dr, Naperville, IL 605639789

Phone: 6304162300

Northwestern Medical Faculty Foundation

525 Rockland Rd, Lake Bluff, IL 600441778

Northwestern Medical Faculty Foundation

676 N Saint Clair St, Chicago, IL 606112927

Northwestern Medical Faculty Foundation

635 N Dearborn St, Chicago, IL 606544618

Phone: 3129260404

Northwestern Medical Faculty Foundation

1630 Sherman Ave, Evanston, IL 602013711

Northwestern Medical Faculty Foundation

635 N Fairbanks Ct, Chicago, IL 606115435

Phone: 3124723173

Northwestern Medical Faculty Foundation

885 Roosevelt Rd, Glen Ellyn, IL 601376141

Practice Associates & Co-Workers

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

11 Associated Practitioners

Wendy Murray , RN, LAC

Acupuncturist

NPI 1043542608

Registered Nurse, Licensed Acupuncturist

Claire Rathnau-Minnella , ANP

Nurse Practitioner - Pediatrics

NPI 1144248741

Adult Nurse Practitioner

Dr. Samuel Granieri , MD

Internal Medicine

NPI 1154360873

Doctor of Medicine (M.D.)

Dr. Kimbra Bell , MD

Internal Medicine

NPI 1154373876

Doctor of Medicine (M.D.)

Taylor Shanfeld , PT

Physical Therapist

NPI 1255638193

Physical Therapist

Brenda Fritz , PHYSICIAN ASSISTANT

Physician Assistant - Medical

NPI 1265535678

PHYSICIANASSISTANT

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active August 22, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location August 22, 2014

Registered at 676 N SAINT CLAIR ST, SUITE 415, CHICAGO, IL 606112927 (Tel: 3129266146)

📍

Updated Business Mailing Address August 22, 2014

Registered at 680 N LAKE SHORE DR, SUITE 818, CHICAGO, IL 606114546 (Tel: 3129266146)

👤

Provider Name / Credentials Updated August 22, 2014

Recorded as GARY GRUBER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 22, 2014

Internal Medicine (License #036071700 in IL)

🟢

Initial NPI Registration & Enumeration June 05, 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: 1487693610

Entity Type:

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

Enumeration Date: June 05, 2006

Last Update: August 22, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

680 N Lake Shore Dr, Suite 818

Chicago, IL 606114546

Phone: 3129266146

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.