Gregory Robert Cook, APRN, CNP
Gregory Robert Cook is a Nurse Practitioner based in Chicago, IL with over 7 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Gregory Robert Cook, APRN, CNP has been part of the Chicago medical community since 2019 in group practice. He has been in practice for 7+ years. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
Older · 978dNPPES updated 2023-09-19 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
676 N Saint Clair St Ste 2100, Chicago, IL 60611-2993
How Does This Doctor Compare?
Generic Rx
↑ Higher = better41.9%
Illinois avg: 82.9 · US avg: 82.8
⚠ Lower than most doctors nationally(-40.9 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
410
Unique beneficiaries
Standard volumePrescription Recipients
307
Patients prescribed
Prescriptions Written
1,471
Total claims
Total Medicare drug cost: $542k
Percentile rankings compared against 2,844 reporting peers in Illinois.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+6%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+17%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+29%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+9%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-3%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$263 received from industry
8 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Gregory Robert Cook's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Sep 18, 2023
Self-reported via NPPES
7 years in practice
Established
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Taxonomy: 363L00000X
Virtual Nursing Care With Gregory Robert Cook
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Gregory Robert Cook for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Chicago required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Gregory Robert Cook
Dr. Cook is listed as active in the NPI registry with telehealth listed in Chicago, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (312) 695-1800.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Gregory Robert Cook
Practice Location
676 N Saint Clair St Ste 2100, Chicago, IL 60611-2993
Mailing Address
676 N Saint Clair St Ste 2100, Chicago, IL 60611-2993
This is a provider directory. Contact the office directly to schedule appointments.
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