Dean Nick Cassimatis, MD - Medicare Gastroenterology in New Windsor, NY

Dean Nick Cassimatis, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in New Windsor, New York. He went to New York Medical College and graduated in 1986 and has 38 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Horizon Medical Group Pc and his current practice location is 277 Quassaick Ave, Rt. 94, New Windsor, New York. You can reach out to his office (for appointments etc.) via phone at (845) 565-5630.

Dean Nick Cassimatis is licensed to practice in New York (license number 175299) 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 1821097742.

Contact Information

Dean Nick Cassimatis, MD
277 Quassaick Ave, Rt. 94,
New Windsor, NY 12553-7632
(845) 565-5630
(845) 565-5643

Map and Direction




Physician's Profile

Full NameDean Nick Cassimatis
GenderMale
SpecialityGastroenterology
Experience38 Years
Location277 Quassaick Ave, New Windsor, 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:
  • Dean Nick Cassimatis attended and graduated from New York Medical College in 1986
  NPI Data:
  • NPI Number: 1821097742
  • Provider Enumeration Date: 07/21/2005
  • Last Update Date: 10/03/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 8527023654
  • Enrollment ID: I20041204000231

Medical Identifiers

Medical identifiers for Dean Nick Cassimatis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821097742NPI-NPPES
A400029609OtherMEDICARE
01233398MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 175299 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Luke's Cornwall HospitalNewburgh, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Horizon Medical Group Pc610371552964

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. Dean Nick Cassimatis allows following entities to bill medicare on his behalf.
Entity NameHorizon Medical Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063488179
PECOS PAC ID: 6103715529
Enrollment ID: O20040313000206
Entity NameEastern Orange Ambulatory Surgery Center, Llc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1568583896
PECOS PAC ID: 5799866570
Enrollment ID: O20080117000723

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. Dean Nick Cassimatis 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
Dean Nick Cassimatis, MD
2 Coates Dr,
Goshen, NY 10924-6758

Ph: (845) 651-1400
Dean Nick Cassimatis, MD
277 Quassaick Ave, Rt. 94,
New Windsor, NY 12553-7632

Ph: (845) 565-5630

Reviews and Comments


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Phone: 845-534-1505    Fax: 845-534-1504

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.