Karen Chacko, MD
Karen Chacko is an Internal Medicine specialist based in Aurora, CO with over 30 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 30 years in internal medicine, Karen Chacko, MD is a long-established internist in Aurora. She graduated from University of California, San Diego School of Medicine in 1996 and has 30+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
At a glance
- Prescribes opioids less than 33% of reporting doctors in Colorado
- Virtual visits available — no app or travel required
Older · 5619dNPPES updated 2011-01-04 · verify NPI on CMS · Verify license at Colorado Medical Board
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
Opioid Rx
↓ Lower = better3.36%
Colorado avg: 6.1 · US avg: 5.1
✓ Higher than most doctors nationally(-1.7 pts)
3.36% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
107
Unique beneficiaries
Standard volumePrescription Recipients
119
Patients prescribed
Prescriptions Written
535
Total claims
Total Medicare drug cost: $82k
Percentile rankings compared against 1,617 reporting peers in Colorado.
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 (+4%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+7%) — 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 (+16%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-1%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-3%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+8%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1996
University of California, San Diego School of Medicine
30 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
University of California, San Diego School of Medicine (Class of 1996)
Mailing address
Po Box 876, Aurora, CO 80040-0876
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 390334
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Karen Chacko
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Karen Chacko for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Aurora 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 Karen Chacko
Dr. Chacko is listed as active in the NPI registry with telehealth listed in Aurora, CO. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (720) 848-0000.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Karen Chacko
Practice Location
12605 E 16th Ave, Aurora, CO 80045-2545
Mailing Address
Po Box 876, Aurora, CO 80040-0876
This is a provider directory. Contact the office directly to schedule appointments.
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