Dr Catherine Elisabeth Hylwa, MD - Medicare Internal Medicine in Colchester, CT

Dr Catherine Elisabeth Hylwa, MD is a medicare enrolled "Internal Medicine" physician in Colchester, Connecticut. She graduated from medical school in 1992 and has 32 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Hartford Healthcare Medical Group Inc and her current practice location is 199 Old Hartford Rd, Unit #6, Colchester, Connecticut. You can reach out to her office (for appointments etc.) via phone at (860) 537-2262.

Dr Catherine Elisabeth Hylwa is licensed to practice in Connecticut (license number 39118) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1124092515.

Contact Information

Dr Catherine Elisabeth Hylwa, MD
199 Old Hartford Rd, Unit #6,
Colchester, CT 06415-2739
(860) 537-2262
(860) 537-2273

Map and Direction




Physician's Profile

Full NameDr Catherine Elisabeth Hylwa
GenderFemale
SpecialityInternal Medicine
Experience32 Years
Location199 Old Hartford Rd, Colchester, Connecticut
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Catherine Elisabeth Hylwa graduated from medical school in 1992
  NPI Data:
  • NPI Number: 1124092515
  • Provider Enumeration Date: 02/14/2006
  • Last Update Date: 09/20/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 8022159466
  • Enrollment ID: I20100423000952

Medical Identifiers

Medical identifiers for Dr Catherine Elisabeth Hylwa such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124092515NPI-NPPES
001391185MedicaidCT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 39118 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
William W Backus HospitalNorwich, CTHospital
Windham Community Memorial HospitalWillimantic, CTHospital
Middlesex HospitalMiddletown, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hartford Healthcare Medical Group Inc1153573902220

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Catherine Elisabeth Hylwa allows following entities to bill medicare on her behalf.
Entity NameHartford Healthcare Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043561301
PECOS PAC ID: 1153573902
Enrollment ID: O20121201000007

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Catherine Elisabeth Hylwa is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Catherine Elisabeth Hylwa, MD
199 Old Hartford Rd, Unit #6,
Colchester, CT 06415-2739

Ph: (860) 537-2262
Dr Catherine Elisabeth Hylwa, MD
199 Old Hartford Rd, Unit #6,
Colchester, CT 06415-2739

Ph: (860) 537-2262

Reviews and Comments


Internal Medicine Doctors in Colchester, CT

Laura Kwon, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 163 Broadway St, Colchester, CT 06415
Phone: 860-537-4601    
Stephen J Kaye, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 163 Broadway St, Colchester, CT 06415
Phone: 860-537-4601    Fax: 860-537-6935
Dr. Priya Tandon, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 7 Park Ave, Suite 1, Colchester, CT 06415
Phone: 860-537-2309    Fax: 888-297-2226
Dr. James George Bucci, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 199 Old Hartford Rd, Unit #6, Colchester, CT 06415
Phone: 860-537-2262    Fax: 860-537-2273
Dr. Srinivasulu Conjeevaram, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 Linwood Ave Ste 2a, Colchester, CT 06415
Phone: 860-415-3622    Fax: 860-974-0884

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.