Sag Medical PC - Medicare Primary Care in Cedarhurst, NY

Sag Medical PC is a medicare enrolled primary clinic (Internal Medicine - Cardiovascular Disease) in Cedarhurst, New York. The current practice location for Sag Medical PC is 256 Grove Ave, Cedarhurst, New York. For appointments, you can reach them via phone at (516) 574-9845. The mailing address for Sag Medical PC is 256 Grove Ave, Cedarhurst, New York and phone number is (516) 574-9845.

Sag Medical PC is licensed to practice in (license number ). The clinic also participates in the medicare program and its NPI number is 1306735063. 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) 574-9845.

Contact Information

Sag Medical PC
256 Grove Ave
Cedarhurst
NY 11516-1716
(516) 574-9845
Not Available

Map and Direction


Primary Care Clinic Profile

Full NameSag Medical PC
SpecialityInternal Medicine
Location256 Grove Ave, Cedarhurst, New York
Authorized Official Name and PositionSteven Greenstein (OWNER)
Authorized Official Contact5165749845
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Sag Medical PC
256 Grove Ave
Cedarhurst
NY 11516-1716

Ph: (516) 574-9845
Sag Medical PC
256 Grove Ave
Cedarhurst
NY 11516-1716

Ph: (516) 574-9845

NPI Details:

NPI Number1306735063
Provider Enumeration Date06/30/2025
Last Update Date08/13/2025
Certification Date08/13/2025

Medicare PECOS Information:

Medicare PECOS PAC ID5597256966
Medicare Enrollment IDO20251113001106

Medical Identifiers

Medical identifiers for Sag Medical PC such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306735063NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine ()Secondary
207RC0000XInternal Medicine - Cardiovascular Disease ()Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Sag Medical PC acts as a billing entity for following providers:
Provider NameSteven a Greenstein
Provider TypePractitioner - Cardiovascular Disease (cardiology)
Provider IdentifiersNPI Number: 1417362245
PECOS PAC ID: 6709119050
Enrollment ID: I20220823002338

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.