GREGG COGNAC (P.A.-C) – Physician Assistant, NPI 1467409508

GREGG COGNAC (P.A.-C) is a healthcare provider. based in Mchenry, Illinois. specializing in PHYSICIAN ASSISTANT. They hold the professional credentials P.A.-C. They hold a License No. 085001346 (IL). The NPI Number for GREGG COGNAC (P.A.-C) is 1467409508

Main info

Male
9 Years Of Experience
Accepts Medicare Assignment
Name
GREGG COGNAC (P.A.-C)
NPI
1467409508
Phone
(815) 759-3100
Address
4201 W MEDICAL CENTER DR
Enumeration Date
27 May 2006
Last Update Date
5 May 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3126950870
Graduation Year
2017 (9 years ago)
PAC ID
0446359061
Group Practice PAC ID
4587576814
Professional Enrollment ID
I20070622000375
Address ID
IL612656175MO515XXDRXX402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

5,035 PHYSICIAN ASSISTANT in IL

Provider Addresses for GREGG COGNAC (P.A.-C)

  • 4201 W MEDICAL CENTER DR

    MCHENRY, IL 600508409

    Phone: (815) 759-3100

    Fax: (815) 363-9094

    Type: Mailing

  • 2001, Butterfield Road, Downers Grove, DuPage County, Illinois, 60148:60515, United States

    STE 300

    DOWNERS GROVE, IL 605151069

    Phone: (734) 995-3764

    Type: Mailing

  • Riverside Medical Center, 350, North Wall Street, Kankakee, Kankakee County, Illinois, 60901, United States

    KANKAKEE, IL 609012901

    Phone: (815) 933-1671

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2007-06-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070622000375IPhysician AssistantILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99284Emergency department visit with moderate level of medical decision making8686$0
99285Emergency department visit with high level of medical decision making6161$0
99283Emergency department visit with low level of medical decision making1414$0
View full utilization report →

Insurance plans in this area (ZIP 60050)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4587576814View full group profile
NameSpecialtyState
-IL
Diagnostic Radiology, Interventional RadiologyIL
Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal MedicineIL
G A S T R O E N T E R O L O G YIL
Anesthesiology, Pain ManagementIL
Internal Medicine, Pediatric MedicineIL
Internal MedicineIL
Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal MedicineMN
-IL
A N E S T H E S I O L O G YMI

Reviews

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Frequently asked questions

Is there an official ID for GREGG COGNAC (P.A.-C) in U.S. healthcare records?
The official identifier for GREGG COGNAC (P.A.-C) is NPI 1467409508.
Would GREGG COGNAC (P.A.-C) appear as active to a payer?
You can treat GREGG COGNAC (P.A.-C) as active for directory purposes; confirm clinical privileges separately.
What area of care is associated with GREGG COGNAC (P.A.-C)?
GREGG COGNAC (P.A.-C)'s record emphasizes Physician Assistant. Clinical services aligned with this taxonomy classification.
What practice footprint exists for GREGG COGNAC (P.A.-C)?
Travel planning: use Mchenry, Illinois as the reference point for GREGG COGNAC (P.A.-C), then confirm.
What does 4 location(s) imply?
4 practice locations appear in the available data.

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