John A Day, MD - Medicare Internal Medicine in Putnam, CT

John A Day, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Putnam, Connecticut. His current practice location is 320 Pomfret St, Putnam, Connecticut. You can reach out to his office (for appointments etc.) via phone at (860) 928-4344.

John A Day is licensed to practice in Connecticut (license number 040079) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1174599427.

Contact Information

John A Day, MD
320 Pomfret St,
Putnam, CT 06260-1836
(860) 928-4344
(860) 928-4188

Map and Direction




Physician's Profile

Full NameJohn A Day
GenderMale
SpecialityInternal Medicine - Pulmonary Disease
Location320 Pomfret St, Putnam, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1174599427
  • Provider Enumeration Date: 02/27/2006
  • Last Update Date: 05/20/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 5092737957
  • Enrollment ID: I20051220000969

Medical Identifiers

Medical identifiers for John A Day such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174599427NPI-NPPES
001400796MedicaidCT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 040079 (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. John A Day allows following entities to bill medicare on his behalf.
Entity NameThe William W Backus Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467517235
PECOS PAC ID: 0749170645
Enrollment ID: O20040316000739

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. John A Day 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
John A Day, MD
320 Pomfret St,
Putnam, CT 06260-1836

Ph: (860) 928-4344
John A Day, MD
320 Pomfret St,
Putnam, CT 06260-1836

Ph: (860) 928-4344

Reviews and Comments


Internal Medicine Doctors in Putnam, CT

Livinus Okafor, MD
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 320 Pomfret St, Putnam, CT 06260
Phone: 860-928-6541    
Dr. Alexander - Mahendran, M.D.,F.A.C.C.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 158 Pomfret St, Putnam, CT 06260
Phone: 860-928-3958    Fax: 860-928-2052
Dr. Bradford Gillon, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 320 Pomfret St, Putnam, CT 06260
Phone: 860-928-6541    
Lisa T Canter, MD,FACC
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 37 Kennedy Drive, Suite A, Putnam, CT 06260
Phone: 860-963-7519    Fax: 860-963-0668
Dr. Mahboob Ashraf, MD
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 320 Pomfret St, Putnam, CT 06260
Phone: 860-928-6541    Fax: 860-963-6450
Alejandro Carvajal, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 320 Pomfret St, Putnam, CT 06260
Phone: 860-928-6541    

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.

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