Marisha L. Cook, M. D
Marisha L. Cook is an Allergy Allergy & Immunology specialist based in Rockford, IL with over 20 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Marisha L. Cook, M. D specializes in allergy & immunology, serving patients in Rockford, IL in group practice. With 20+ years of experience, she has been practicing in the Rockford area. CMS Medicare data shows her patients commonly have high cholesterol, hypertension, and arthritis.
Recent · 90dNPPES updated 2026-02-23 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
2350 N Rockton Ave, Rockford, IL 61103-3600
How Does This Doctor Compare?
Medicare Patients
123
Unique beneficiaries
Standard volumePrescription Recipients
164
Patients prescribed
Prescriptions Written
843
Total claims
Total Medicare drug cost: $701k
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 High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
High blood pressure — a leading risk factor for heart disease and stroke
Joint inflammation causing pain, swelling, and stiffness
A condition causing airway inflammation, wheezing, and difficulty breathing
Excessive worry or fear that interferes with daily life
A condition where the body cannot properly regulate blood sugar levels
Conditions affecting emotional state, including depression and bipolar disorder
Weakened bones that are more prone to fractures, common in older adults
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$454 received from industry
19 transactions reported in 2018 ·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 2018, attributed to Marisha L. Cook's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Feb 22, 2026
Self-reported via NPPES
20 years in practice
Experienced
A physician who specializes in the diagnosis, treatment, and management of allergies.
Taxonomy: 207KA0200X
Virtual Allergy & Immunology Care With Marisha L. Cook
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Marisha L. Cook for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Rockford 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 Marisha L. Cook
NPI records show Dr. Cook as active with telehealth listed in Rockford, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (815) 971-2000.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Marisha L. Cook
Practice Location
2350 N Rockton Ave, Rockford, IL 61103-3600
Mailing Address
2350 N Rockton Ave, Rockford, IL 61103-3600
This is a provider directory. Contact the office directly to schedule appointments.
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