Eileen Elizabeth O'regan, MD - Medicare Internal Medicine in Cheshire, CT

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Eileen Elizabeth O'regan, MD is a medicare enrolled "Internal Medicine" physician in Cheshire, Connecticut. Her current practice location is 1781 Highland Ave, Suite 102, Cheshire, Connecticut. You can reach out to her office (for appointments etc.) via phone at (203) 272-1990.

Eileen Elizabeth O'regan is licensed to practice in Connecticut (license number 029098) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1932273299.

Contact Information

Eileen Elizabeth O'regan, MD
1781 Highland Ave, Suite 102,
Cheshire, CT 06410-1254
(203) 272-1990
(203) 271-0668

Map and Direction




Physician's Profile

Full NameEileen Elizabeth O'regan
GenderFemale
SpecialityInternal Medicine
Location1781 Highland Ave, Cheshire, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1932273299
  • Provider Enumeration Date: 11/20/2006
  • Last Update Date: 08/14/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 8224101571
  • Enrollment ID: I20080718000423

Medical Identifiers

Medical identifiers for Eileen Elizabeth O'regan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932273299NPI-NPPES
4564088OtherCTAETNA
P1024372OtherCTOXFORD
010029098CT01OtherCTBLUE SHIELD
0V0453OtherCTHEALTHNET
1290981MedicaidCT
212170OtherCTCIGNA
290980OtherCTCONNECTICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 029098 (Connecticut)Primary

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. Eileen Elizabeth O'regan 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. Eileen Elizabeth O'regan 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
Eileen Elizabeth O'regan, MD
1781 Highland Ave, Suite 102,
Cheshire, CT 06410-1254

Ph: (203) 272-1990		Eileen Elizabeth O'regan, MD
1781 Highland Ave, Suite 102,
Cheshire, CT 06410-1254

Ph: (203) 272-1990

Reviews and Comments


Internal Medicine Doctors in Cheshire, CT

Dr. Christian Daniel Ward, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 366 S Main St Ste 2, Cheshire, CT 06410
Phone: 203-272-0331    Fax: 203-272-0332
Dr. James Sarfeh, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 422 Highland Ave Bldg C, Cheshire, CT 06410
Phone: 203-272-7251    Fax: 203-272-2552
Dr. Sujata Kale, M.D/PH.D/FACP
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 411 Robin Ct, Cheshire, CT 06410
Phone: 203-214-2528    Fax: 203-214-2528
Dr. Brian C Cohen, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 677 S Main St, Cheshire, CT 06410
Phone: 203-272-2248    
David Micah Silver,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 28 South Main St, Cheshire, CT 06410
Phone: 203-272-3364    
Dr. Stephen M Ward, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 765 W Johnson Ave # 201, Cheshire, CT 06410
Phone: 203-271-2120    
David Stair, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 677 S Main St, Cheshire, CT 06410
Phone: 203-272-2248    Fax: 203-272-4470

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.