Catherine Elisabeth Hylwa, M.D.
Catherine Elisabeth Hylwa is an Internal Medicine specialist based in Colchester, CT with over 34 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CT can see Catherine Elisabeth Hylwa, M.D. in person in Colchester or via virtual visit — no travel required. She has been in practice for 34+ years. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data). CMS MIPS quality score: 93.56/100 (2023).
At a glance
- Uses generic medications more than 65% of reporting doctors in Connecticut
- Federal MIPS score higher than 76% of MIPS-scored doctors in Connecticut
- Virtual visits available — no app or travel required
Older · 5359dNPPES updated 2011-09-20 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board
Contact & Location
Practice Location
199 Old Hartford Rd Unit #6, Colchester, CT 06415-2739
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 76% of doctors in Connecticut on federal quality measures, favors affordable generic drugs over brand-name ones.
MIPS Score
202393.56/100
Connecticut avg: 84.5 · US avg: 83.6
✓ Higher than most doctors nationally(+10 pts)
Better than 76% of MIPS-scored doctors in ConnecticutHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better9.46%
Connecticut avg: 3.9 · US avg: 5.1
⚠ Lower than most doctors nationally(+4.4 pts)
9.46% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better89.3%
Connecticut avg: 81.1 · US avg: 82.8
✓ Higher than most doctors nationally(+6.5 pts)
Typical range among reporting doctors in ConnecticutHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
215
Unique beneficiaries
Standard volumePrescription Recipients
672
Patients prescribed
Prescriptions Written
8,744
Total claims
Total Medicare drug cost: $807k
Percentile rankings compared against 1,825 reporting peers in Connecticut.
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
US avg: 70.4%↑ More patients than average (+2%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+1%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-13%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-3%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-8%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-8%) — less common here
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.
34 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
Primary hospital affiliation: Acute Care - Veterans Administration
CMS Certification Number: 45066F
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Catherine Elisabeth Hylwa
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Catherine Elisabeth Hylwa for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Colchester 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 Catherine Elisabeth Hylwa
Dr. Hylwa is listed as active in the NPI registry with telehealth listed in Colchester, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (860) 537-2262.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Catherine Elisabeth Hylwa
Practice Location
199 Old Hartford Rd Unit #6, Colchester, CT 06415-2739
Mailing Address
199 Old Hartford Rd Unit #6, Colchester, CT 06415-2739
This is a provider directory. Contact the office directly to schedule appointments.
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