Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Catherine Elisabeth Hylwa, MD

Individual provider Internal Medicine Physician · NPI 1124092515

Dr. Catherine Elisabeth Hylwa, MD is an Internal Medicine in Colchester, Connecticut. Qualified in 1992, 34 years ago. Practices with Hartford Healthcare Medical Group Inc, a 234-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
34
Licensed in
CT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

199 Old Hartford Rd Unit #6
Colchester, CT 06415-2739
Phone: (860) 537-2262
Fax: (860) 537-2273
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 39118 (CT)

Record details

NPI number1124092515
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 14, 2006
Last updated in NPPESSeptember 20, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Hartford Healthcare Medical Group Inc — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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