Dr John Stephen Walsh, MD - Medicare Family Medicine in East Islip, NY

Dr John Stephen Walsh, MD is a medicare enrolled "Family Medicine" physician in East Islip, New York. His current practice location is 369 East Main Street, Suite 3, East Islip, New York. You can reach out to his office (for appointments etc.) via phone at (631) 381-4500.

Dr John Stephen Walsh is licensed to practice in New York (license number 210572) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1033131883.

Contact Information

Dr John Stephen Walsh, MD
369 East Main Street, Suite 3,
East Islip, NY 11730
(631) 381-4500
(631) 581-5905

Map and Direction




Physician's Profile

Full NameDr John Stephen Walsh
GenderMale
SpecialityFamily Medicine
Location369 East Main Street, East Islip, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1033131883
  • Provider Enumeration Date: 07/24/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1153636501
  • Enrollment ID: I20150814013037

Medical Identifiers

Medical identifiers for Dr John Stephen Walsh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033131883NPI-NPPES
01871796MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 210572 (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. 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 Stephen Walsh allows following entities to bill medicare on his behalf.
Entity NameBrookhaven Physician Services, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083807572
PECOS PAC ID: 0547339293
Enrollment ID: O20080521000001

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 Stephen Walsh 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 Stephen Walsh, MD
369 East Main Street, Suite 3,
East Islip, NY 11730

Ph: (631) 381-4500
Dr John Stephen Walsh, MD
369 East Main Street, Suite 3,
East Islip, NY 11730

Ph: (631) 381-4500

Reviews and Comments


Family Medicine Doctors in East Islip, NY

Stanley Blyskal, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 126 E Main St, Ste 1, East Islip, NY 11730
Phone: 631-581-0090    Fax: 631-581-2879
Dr. James Andrew Higgins, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11 Carleton Ave, East Islip, NY 11730
Phone: 631-224-7474    Fax: 631-224-8940
Dr. Nicole Darrow, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 126 E Main St Ste 1, East Islip, NY 11730
Phone: 631-581-0090    Fax: 631-358-7279
Dr. Richard Zito, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 69 Bayview Ave, East Islip, NY 11730
Phone: 631-446-1924    Fax: 631-277-0899
Robert F Ruggiero,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 126 E Main St, East Islip, NY 11730
Phone: 631-581-0090    Fax: 631-581-2879
Dr. Michael Ladinsky, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 126 E Main St, Ste1, East Islip, NY 11730
Phone: 631-581-0090    Fax: 631-581-2879

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.