Dr William Sommo, MD - Medicare Internal Medicine in Riverhead, NY

Dr William Sommo, MD is a medicare enrolled "Emergency Medicine" physician in Riverhead, New York. He graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice North Shore - Lij Medical Pc and his current practice location is 1300 Roanoke Ave, Riverhead, New York. You can reach out to his office (for appointments etc.) via phone at (631) 548-6424.

Dr William Sommo is licensed to practice in New York (license number 160570) 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 1578591491.

Contact Information

Dr William Sommo, MD
1300 Roanoke Ave,
Riverhead, NY 11901-2031
(631) 548-6424
Not Available

Map and Direction




Physician's Profile

Full NameDr William Sommo
GenderMale
SpecialityInternal Medicine
Experience41 Years
Location1300 Roanoke Ave, Riverhead, 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 William Sommo graduated from medical school in 1983
  NPI Data:
  • NPI Number: 1578591491
  • Provider Enumeration Date: 06/29/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8527962646
  • Enrollment ID: I20040809000952

Medical Identifiers

Medical identifiers for Dr William Sommo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578591491NPI-NPPES
4646869OtherNYAETNA
01697438MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 160570 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Peconic Bay Medical CenterRiverhead, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore - Lij Medical Pc33757015685120

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 William Sommo allows following entities to bill medicare on his behalf.
Entity NameNorth Shore - Lij Medical Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053688572
PECOS PAC ID: 3375701568
Enrollment ID: O20120220000262

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 William Sommo 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 William Sommo, MD
Po Box 1559,
Stony Brook, NY 11790-0989

Ph: (631) 548-6424
Dr William Sommo, MD
1300 Roanoke Ave,
Riverhead, NY 11901-2031

Ph: (631) 548-6424

Reviews and Comments


Emergency Medicine Doctors in Riverhead, NY

Dr. Ahmed Chaudhry, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 Roanoke Ave, Riverhead, NY 11901
Phone: 631-548-6424    
Matthew Austen, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 Roanoke Ave, Dept Of Emergency Medicine, Riverhead, NY 11901
Phone: 631-548-6927    
Gregory Capece Jr., DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1300 Roanoke Ave, Riverhead, NY 11901
Phone: 631-548-6000    
Brad Zurek, D.O
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 Roanoke Ave, Riverhead, NY 11901
Phone: 631-548-6446    Fax: 631-727-0772
Ms. Patricia Napolitano, P.A.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1300 Roanoke Ave, Riverhead, NY 11901
Phone: 631-548-6200    
Nanette Matos, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Heroes Way, Riverhead, NY 11901
Phone: 631-548-6325    

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.