Jonathan A Hammond Jr, MD - Medicare Cardiac Surgery in Hartford, CT

Jonathan A Hammond Jr, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Hartford, Connecticut. He went to Harvard Medical School and graduated in 1984 and has 40 years of diverse experience with area of expertise as Cardiac Surgery. He is a member of the group practice Hartford Healthcare Medical Group Specialists Pllc, University Of Connecticut Health Center and his current practice location is 85 Seymour St, Suite 725, Hartford, Connecticut. You can reach out to his office (for appointments etc.) via phone at (860) 524-5905.

Jonathan A Hammond Jr is licensed to practice in Connecticut (license number 027604) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1235115965.

Contact Information

Jonathan A Hammond Jr, MD
85 Seymour St, Suite 725,
Hartford, CT 06106-5501
(860) 524-5905
(860) 522-3951

Map and Direction




Physician's Profile

Full NameJonathan A Hammond Jr
GenderMale
SpecialityCardiac Surgery
Experience40 Years
Location85 Seymour St, Hartford, Connecticut
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Jonathan A Hammond Jr attended and graduated from Harvard Medical School in 1984
  NPI Data:
  • NPI Number: 1235115965
  • Provider Enumeration Date: 12/15/2005
  • Last Update Date: 09/12/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2769449453
  • Enrollment ID: I20101007001154

Medical Identifiers

Medical identifiers for Jonathan A Hammond Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235115965NPI-NPPES
001276048MedicaidCT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 027604 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hartford HospitalHartford, CTHospital
John Dempsey HospitalFarmington, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hartford Healthcare Medical Group Specialists Pllc31738662411148
University Of Connecticut Health Center3678472016517

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. Jonathan A Hammond Jr allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Connecticut Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720083769
PECOS PAC ID: 3678472016
Enrollment ID: O20040106000105
Entity NameHartford Healthcare Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043561301
PECOS PAC ID: 1153573902
Enrollment ID: O20121201000007
Entity NameHartford Healthcare Medical Group Specialists Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023584216
PECOS PAC ID: 3173866241
Enrollment ID: O20190514001441

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. Jonathan A Hammond Jr 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
Jonathan A Hammond Jr, MD
85 Seymour St, Suite 725,
Hartford, CT 06106-5501

Ph: (860) 524-5905
Jonathan A Hammond Jr, MD
85 Seymour St, Suite 725,
Hartford, CT 06106-5501

Ph: (860) 524-5905

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Hartford, CT

Ayyaz A Ali, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 85 Seymour St Ste 919, Hartford, CT 06106
Phone: 860-696-5520    
Hiroyoshi Takata, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 85 Seymour St, Suite 325, Hartford, CT 06106
Phone: 860-522-7181    Fax: 860-278-3357
Paul L Preissler, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 85 Seymour St, Suite 725, Hartford, CT 06106
Phone: 860-524-5905    Fax: 860-522-3951
Dr. David Warner Yaffee, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 85 Seymour St Ste 919, Hartford, CT 06106
Phone: 860-696-5520    Fax: 860-522-3951
Sabet Hashim, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 85 Seymour St, Suite 919, Hartford, CT 06106
Phone: 860-696-5520    Fax: 860-522-3951
Dr. Surendra K Chawla, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 1000 Asylum Ave, Suite 3201a, Hartford, CT 06105
Phone: 860-714-1094    Fax: 860-714-8850

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.