Dr Theofanis Mitsinikos, DO - Medicare Endocrinology in Stony Brook, NY

Dr Theofanis Mitsinikos, DO is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Stony Brook, New York. He went to New York College Of Osteo Medicine Of New York Institute Of Technology and graduated in 2003 and has 21 years of diverse experience with area of expertise as Endocrinology. His current practice location is 2500 Nesconset Hwy, Bldg 3c, Stony Brook, New York. You can reach out to his office (for appointments etc.) via phone at (631) 751-2400.

Dr Theofanis Mitsinikos is licensed to practice in New York (license number 235458) 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 1467624064.

Contact Information

Dr Theofanis Mitsinikos, DO
2500 Nesconset Hwy, Bldg 3c,
Stony Brook, NY 11790-2555
(631) 751-2400
(631) 751-8323

Map and Direction




Physician's Profile

Full NameDr Theofanis Mitsinikos
GenderMale
SpecialityEndocrinology
Experience21 Years
Location2500 Nesconset Hwy, Stony Brook, New York
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:
  • Dr Theofanis Mitsinikos attended and graduated from New York College Of Osteo Medicine Of New York Institute Of Technology in 2003
  NPI Data:
  • NPI Number: 1467624064
  • Provider Enumeration Date: 03/24/2008
  • Last Update Date: 01/13/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 3971674953
  • Enrollment ID: I20080618000717

Medical Identifiers

Medical identifiers for Dr Theofanis Mitsinikos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467624064NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 235458 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John T Mather Memorial Hospital Of Port JeffersonPort jefferson, NYHospital
Suny/stony Brook University HospitalStony brook, NYHospital
St Catherine Of Siena HospitalSmithtown, NYHospital
St Charles HospitalPort jefferson, NYHospital

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 Theofanis Mitsinikos allows following entities to bill medicare on his behalf.
Entity NameTheofanis Mitsinikos, Do, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861929861
PECOS PAC ID: 0345510616
Enrollment ID: O20170719000949

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 Theofanis Mitsinikos 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 Theofanis Mitsinikos, DO
2500 Nesconset Hwy, Bldg 3c,
Stony Brook, NY 11790-2555

Ph: (631) 751-2400
Dr Theofanis Mitsinikos, DO
2500 Nesconset Hwy, Bldg 3c,
Stony Brook, NY 11790-2555

Ph: (631) 751-2400

Reviews and Comments


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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.