Stephen Andrew Pentheros, NP - Medicare Nurse Practitioner in Riverhead, NY

Stephen Andrew Pentheros, NP is a medicare enrolled "Nurse Practitioner - Adult Health" in Riverhead, New York. His current practice location is 750 Old Country Rd Bldg 2, Riverhead, New York. You can reach out to his office (for appointments etc.) via phone at (631) 751-3000.

Stephen Andrew Pentheros is licensed to practice in New York (license number 310357) 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 1578840393.

Contact Information

Stephen Andrew Pentheros, NP
750 Old Country Rd Bldg 2,
Riverhead, NY 11901-2153
(631) 751-3000
(631) 751-0506

Map and Direction




Provider's Profile

Full NameStephen Andrew Pentheros
GenderMale
SpecialityNurse Practitioner - Adult Health
Location750 Old Country Rd Bldg 2, Riverhead, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1578840393
  • Provider Enumeration Date: 11/08/2011
  • Last Update Date: 10/14/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0446638258
  • Enrollment ID: I20220607003247

Medical Identifiers

Medical identifiers for Stephen Andrew Pentheros such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578840393NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LA2200XNurse Practitioner - Adult Health 310357 (New York)Primary
164W00000XLicensed Practical Nurse 306726-1 (New York)Secondary

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. Stephen Andrew Pentheros allows following entities to bill medicare on his behalf.
Entity NameNorth Shore Hematology Oncology Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396794574
PECOS PAC ID: 1456243641
Enrollment ID: O20040324001766

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. Stephen Andrew Pentheros 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
Stephen Andrew Pentheros, NP
1500 Route 112 Bldg 4,
Port Jefferson Station, NY 11776-8055

Ph: (631) 751-3000
Stephen Andrew Pentheros, NP
750 Old Country Rd Bldg 2,
Riverhead, NY 11901-2153

Ph: (631) 751-3000

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.