Active NPI 1467409508 Individual Practitioner Male Practitioner

Gregg Cognac , PA-C

Physician Assistant • Mchenry, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Gregg Cognac, PA-C is a certified Physician Assistant practicing in Mchenry, IL. With approximately 9 years of clinical experience since completing medical education in 2017, Gregg Cognac delivers high-quality medical care to the local community at 4201 W MEDICAL CENTER DR.

Gregg Cognac is affiliated with Northwestern Medical Faculty Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include emergency department visit with moderate level of medical decision making, emergency department visit for life threatening or functioning severity, emergency department visit with low level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4201 W Medical Center Dr

Mchenry, IL 600508409

Telephone 8157593100

Fax 8153639094

Associated Practice Facility / Clinic

🏢 Illinois/indiana Em-I Medical Services, S.c. Facility NPI 1265471163

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Mchenry, IL

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

9 Yrs -4.4 yrs vs City Avg

City Avg: 13.4 Yrs

State Avg: 11.7 Yrs

Regional Practice Density

27 Specialists

Practicing in Mchenry, IL (4958 Statewide)

Telehealth Adoption Rate

3.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Cognac (9 Years) 9 Yrs

Mchenry Specialty Average (13.4 Years) 13.4 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
99284 Emergency department visit with moderate level of medical decision making	118	118	$365.00	$103.43
99285 Emergency department visit for life threatening or functioning severity	115	114	$539.00	$151.44
99283 Emergency department visit with low level of medical decision making	12	11	$231.00	$61.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	86	86	$365.00	$104.10
99285 Emergency department visit for life threatening or functioning severity	61	61	$539.00	$151.83
99283 Emergency department visit with low level of medical decision making	14	14	$231.00	$62.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	70	70	$539.00	$153.53
99284 Emergency department visit with moderate level of medical decision making	57	57	$365.00	$105.55
99283 Emergency department visit with low level of medical decision making	11	11	$231.00	$62.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	213	210	$967.15	$153.50
99284 Emergency department visit with moderate level of medical decision making	103	101	$438.17	$103.75
99283 Emergency department visit with low level of medical decision making	28	28	$506.57	$61.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	76	76	$1942.00	$153.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	45	$173.00	$90.13
99283 Emergency department visit with low level of medical decision making	22	22	$874.00	$57.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$269.00	$137.67
99284 Emergency department visit with moderate level of medical decision making	19	19	$1307.00	$105.19
87502 Detection test by nucleic acid for multiple types influenza virus	18	18	$175.00	$93.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$176.00	$89.30
U0002 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc	15	15	$100.00	$51.31

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	142	113	$173.00	$88.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	66	66	$269.00	$136.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$177.29	$88.35
J7620 Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme	36	17	$3.00	$0.13
81003 Automated urinalysis test	29	27	$14.00	$2.44
94640 Inhalation treatment for airway obstruction or sputum production	27	23	$40.07	$13.24
71046 X-ray of chest, 2 views	19	17	$63.00	$9.27
87502 Detection test by nucleic acid for multiple types influenza virus	17	17	$175.00	$88.63
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$337.00	$163.52
87651 Detection test for Strep (Streptococcus, group A)	12	11	$55.00	$38.21
69209 Removal of impacted ear wax by washing	11	11	$40.00	$13.82

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	79	61	$173.00	$86.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$268.96	$135.05
36471 Injection of chemical agent into multiple incompetent veins of leg	37	25	$517.57	$173.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$173.89	$87.62
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	36	29	$50.00	$19.37
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	36	24	$677.78	$53.68
81003 Automated urinalysis test	21	21	$5.00	$2.71
71046 X-ray of chest, 2 views	15	15	$63.00	$9.07
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$101.54	$67.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36471 Injection of chemical agent into multiple incompetent veins of leg	216	105	$528.94	$159.67
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	197	103	$671.32	$53.92
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	193	92	$493.01	$107.73
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	89	73	$50.00	$17.98
93970 Ultrasound study of arm or leg veins with compression and maneuvers	51	49	$750.00	$177.11
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$100.00	$66.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$75.00	$36.46

Medical Specialties & State Licenses

CMS Verified: 2021-05-05

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085001346

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

10400 Haligus Rd, Huntley, IL 601429553

Northwestern Medical Faculty Foundation

515 Valley View Dr, Moline, IL 612656175

Phone: 3126950870

Practice Associates & Co-Workers

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

28 Associated Practitioners

Dr. Katherine Savage , MD

Emergency Medicine

NPI 1104211804

Doctor of Medicine (M.D.)

Dr. John Pacini , DO

Emergency Medicine

NPI 1134232309

Doctor of Osteopathic Medicine (D.O.)

Dr. Sitaramarao Bobba , MD

Emergency Medicine

NPI 1194738302

Doctor of Medicine (M.D.)

Dr. Luciano Orta , MD

Emergency Medicine

NPI 1346353505

Doctor of Medicine (M.D.)

Dr. Ray Urban , MD

Emergency Medicine

NPI 1356978431

Doctor of Medicine (M.D.)

Jonathan Haririe , PA-C

Physician Assistant

NPI 1386741163

Physician Assistant (Certified)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location May 05, 2021

Registered at 4201 W MEDICAL CENTER DR, MCHENRY, IL 600508409 (Tel: 8157593100)

📍

Updated Business Mailing Address May 05, 2021

Registered at 4201 W MEDICAL CENTER DR, MCHENRY, IL 600508409 (Tel: 8157593100)

✅

NPI Profile Active June 27, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location June 27, 2016

Registered at 350 N WALL ST, KANKAKEE, IL 609012901 (Tel: 8159331671)

📍

Updated Business Mailing Address June 27, 2016

Registered at 2001 BUTTERFIELD RD, STE 300, DOWNERS GROVE, IL 605151069 (Tel: 7349953764)

👤

Provider Name / Credentials Updated June 27, 2016

Recorded as GREGG COGNAC, P.A.-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 27, 2016

Physician Assistant (License #085001346 in IL)

🟢

Initial NPI Registration & Enumeration May 27, 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: 1467409508

Entity Type:

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

Enumeration Date: May 27, 2006

Last Update: May 05, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4201 W Medical Center Dr

Mchenry, IL 600508409

Phone: 8157593100

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.