Islandwide Gastroenterology Pc - Medicare Primary Care in Garden City, NY

Islandwide Gastroenterology Pc is a medicare enrolled primary clinic (Internal Medicine - Gastroenterology) in Garden City, New York. The current practice location for Islandwide Gastroenterology Pc is 901 Stewart Ave, Suite 240, Garden City, New York. For appointments, you can reach them via phone at (516) 458-6258. The mailing address for Islandwide Gastroenterology Pc is 14 Maurice Ln, Huntington, New York and phone number is (516) 458-6258.

Islandwide Gastroenterology Pc is licensed to practice in New York (license number 233299). The clinic also participates in the medicare program and its NPI number is 1427290907. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (516) 458-6258.

Contact Information

Islandwide Gastroenterology Pc
901 Stewart Ave
Suite 240
Garden City
NY 11530-4893
(516) 458-6258
(631) 223-2271

Map and Direction


Primary Care Clinic Profile

Full NameIslandwide Gastroenterology Pc
SpecialityInternal Medicine
Location901 Stewart Ave, Garden City, New York
Authorized Official Name and PositionPhilip Raymond Cassar (CEO)
Authorized Official Contact5164586258
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Islandwide Gastroenterology Pc
14 Maurice Ln
Huntington
NY 11743-1843

Ph: (516) 458-6258
Islandwide Gastroenterology Pc
901 Stewart Ave
Suite 240
Garden City
NY 11530-4893

Ph: (516) 458-6258

NPI Details:

NPI Number1427290907
Provider Enumeration Date03/31/2009
Last Update Date03/24/2011

Medicare PECOS Information:

Medicare PECOS PAC ID2961555602
Medicare Enrollment IDO20090729000045

Medical Identifiers

Medical identifiers for Islandwide Gastroenterology Pc such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427290907NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 233299 (New York)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Islandwide Gastroenterology Pc acts as a billing entity for following providers:
Provider NameRobert J Bonasera
Provider TypePractitioner - Gastroenterology
Provider IdentifiersNPI Number: 1073537767
PECOS PAC ID: 4082613385
Enrollment ID: I20061214000433
Provider NameKenneth Levine
Provider TypePractitioner - Anesthesiology
Provider IdentifiersNPI Number: 1083677454
PECOS PAC ID: 3274635453
Enrollment ID: I20070219000156
Provider NameDaniel J Ulicny
Provider TypePractitioner - Anesthesiology
Provider IdentifiersNPI Number: 1043273402
PECOS PAC ID: 1658465109
Enrollment ID: I20070914000564
Provider NamePhilip R Cassar
Provider TypePractitioner - Gastroenterology
Provider IdentifiersNPI Number: 1891868857
PECOS PAC ID: 8325111925
Enrollment ID: I20080715000547
Provider NameJulio K Kim
Provider TypePractitioner - Anesthesiology
Provider IdentifiersNPI Number: 1831357698
PECOS PAC ID: 0547336992
Enrollment ID: I20080909000052
Provider NameSeema Patel
Provider TypePractitioner - Anesthesiology
Provider IdentifiersNPI Number: 1730314535
PECOS PAC ID: 8426101668
Enrollment ID: I20090805000275
Provider NameZhanqing Yan
Provider TypePractitioner - Pathology
Provider IdentifiersNPI Number: 1215929781
PECOS PAC ID: 6002097417
Enrollment ID: I20110217000774
Provider NameAditya Marwaha
Provider TypePractitioner - Anesthesiology
Provider IdentifiersNPI Number: 1811122716
PECOS PAC ID: 8628252954
Enrollment ID: I20110412000520
Provider NameEleazer Yousefzadeh
Provider TypePractitioner - Gastroenterology
Provider IdentifiersNPI Number: 1700029485
PECOS PAC ID: 9830348028
Enrollment ID: I20140809000104
Provider NameQinghu Ren
Provider TypePractitioner - Pathology
Provider IdentifiersNPI Number: 1376773978
PECOS PAC ID: 3779895172
Enrollment ID: I20160920001810

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.