Karna D Sherwood, MD
Neurology Psychiatry & Neurology
Karna D Sherwood, MD has been part of the Alton medical community since 2009 in group practice. With 17+ years of experience, he has been practicing in the Alton area. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Prescribes opioids less than 42% of reporting doctors in Illinois
- Uses generic medications more than 78% of reporting doctors in Illinois
- Virtual visits available — no app or travel required
Older · 4236dNPPES updated 2014-10-02 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better1.26%
Illinois avg: 4.5 · US avg: 5.1
✓ Higher than most doctors nationally(-3.8 pts)
Typical range among reporting doctors in Illinois1.26% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better92.7%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+9.9 pts)
Better than 78% of reporting doctors in IllinoisHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
511
Unique beneficiaries
High volumePrescription Recipients
649
Patients prescribed
Prescriptions Written
4,595
Total claims
Total Medicare drug cost: $1.23M
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 (+2%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+8%) — 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 (+2%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+2%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-4%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$44 received from industry
3 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 Karna D Sherwood's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
17 years in practice
Experienced
Neurologists diagnose and treat disorders of the nervous system including stroke, epilepsy, multiple sclerosis, Parkinson's disease, migraines, neuropathy, and dementia.
Taxonomy: 2084N0400X
Mailing address
2 Saint Anthonys Way Suite 305, Alton, IL 62002-4569
Differs from practice location
Virtual Psychiatry & Neurology Care With Karna D Sherwood
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Karna D Sherwood for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Alton 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 Karna D Sherwood
Dr. Sherwood is listed as active in the NPI registry with telehealth listed in Alton, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (618) 463-0227.
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 Karna D Sherwood
Practice Location
2 Saint Anthonys Way Ste 300, Alton, IL 62002-4569
Mailing Address
2 Saint Anthonys Way Suite 305, Alton, IL 62002-4569
This is a provider directory. Contact the office directly to schedule appointments.
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