Dr John Michael Costable Jr, MD - Medicare Gastroenterology in Great Neck, NY

Dr John Michael Costable Jr, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Great Neck, New York. He went to State University Of New York At Stony Brook, School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice North Shore Medical Group Of The Mount Sinai School Of Medicine and his current practice location is 600 Northern Blvd, Ste 106, Great Neck, New York. You can reach out to his office (for appointments etc.) via phone at (516) 466-6075.

Dr John Michael Costable Jr is licensed to practice in New York (license number 198554) 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 1043251184.

Contact Information

Dr John Michael Costable Jr, MD
600 Northern Blvd, Ste 106,
Great Neck, NY 11021-5200
(516) 466-6075
(516) 466-6044

Map and Direction




Physician's Profile

Full NameDr John Michael Costable Jr
GenderMale
SpecialityGastroenterology
Experience32 Years
Location600 Northern Blvd, Great Neck, 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 John Michael Costable Jr attended and graduated from State University Of New York At Stony Brook, School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1043251184
  • Provider Enumeration Date: 06/09/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6507847290
  • Enrollment ID: I20040527001236

Medical Identifiers

Medical identifiers for Dr John Michael Costable Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043251184NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 198554 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mount Sinai South NassauOceanside, NYHospital
North Shore University HospitalManhasset, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore Medical Group Of The Mount Sinai School Of Medicine8921999087273

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 John Michael Costable Jr allows following entities to bill medicare on his behalf.
Entity NameNorth Shore Medical Group Of The Mount Sinai School Of Medicine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275640609
PECOS PAC ID: 8921999087
Enrollment ID: O20040320000412

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 John Michael Costable 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
Dr John Michael Costable Jr, MD
600 Northern Blvd, Ste 106,
Great Neck, NY 11021-5200

Ph: (516) 466-6075
Dr John Michael Costable Jr, MD
600 Northern Blvd, Ste 106,
Great Neck, NY 11021-5200

Ph: (516) 466-6075

Reviews and Comments


Internal Medicine Doctors in Great Neck, NY

Melissa S Devlin, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 891 Northern Blvd, Suite 203, Great Neck, NY 11021
Phone: 516-773-6300    Fax: 516-706-4700
Dr. Syed Hasan Iqbal, DO
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 891 Northern Blvd Ste 203, Great Neck, NY 11021
Phone: 516-773-6300    Fax: 516-706-4700
Madhu Bhaskaran, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: Nephrology, 100 Community Drive, Great Neck, NY 11021
Phone: 516-465-8210    
Dr. Alan S Rosenberg, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 1010 Northern Blvd, Ste 110, Great Neck, NY 11021
Phone: 516-390-2410    Fax: 516-482-7955
Dr. Howard Rattner, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 233 E Shore Rd, Ste 101, Great Neck, NY 11023
Phone: 516-427-2444    Fax: 516-487-2446
Dr. Kenneth Ackerman, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 277 Northern Blvd, 3rd Floor, Great Neck, NY 11021
Phone: 516-829-7750    Fax: 516-482-2644
Bernard Rosof,
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 145 Community Drive, Great Neck, NY 11021
Phone: 516-465-8260    

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.