Dr Alfred Proto, MD - Medicare Thoracic Surgery in Winchester, VA

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Dr Alfred Proto, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Winchester, Virginia. He went to New York Medical College and graduated in 2004 and has 21 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Valley Physician Enterprise Inc and his current practice location is 1880 Amherst Street, Suite 310, Winchester, Virginia. You can reach out to his office (for appointments etc.) via phone at (540) 536-6721.

Dr Alfred Proto is licensed to practice in Virginia (license number 0101284997) 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 1265627384.

Contact Information

Dr Alfred Proto, MD
1880 Amherst Street, Suite 310,
Winchester, VA 22601
(540) 536-6721
(540) 536-6724

Map and Direction




Physician's Profile

Full NameDr Alfred Proto
GenderMale
SpecialityThoracic Surgery
Experience21 Years
Location1880 Amherst Street, Winchester, Virginia
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 Alfred Proto attended and graduated from New York Medical College in 2004
  NPI Data:
  • NPI Number: 1265627384
  • Provider Enumeration Date: 09/11/2007
  • Last Update Date: 03/21/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2264529551
  • Enrollment ID: I20250324000018

Medical Identifiers

Medical identifiers for Dr Alfred Proto such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265627384NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery MT196091 (Pennsylvania)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 2014-01272 (North Carolina)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) MD449843 (Pennsylvania)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 0101284997 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Winchester Medical CenterWinchester, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Valley Physician Enterprise Inc9931268091219

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 Alfred Proto allows following entities to bill medicare on his behalf.
Entity NameWinchester Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679711261
PECOS PAC ID: 0244134021
Enrollment ID: O20031124000061
Entity NameValley Physician Enterprise Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538316203
PECOS PAC ID: 9931268091
Enrollment ID: O20081104000278

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 Alfred Proto 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 Alfred Proto, MD
220 Campus Blvd Ste 320,
Winchester, VA 22601-2889

Ph: (540) 536-5100		Dr Alfred Proto, MD
1880 Amherst Street, Suite 310,
Winchester, VA 22601

Ph: (540) 536-6721

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Winchester, VA

Shalini Rohini Reddy, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 400 Campus Blvd Ste 210, Winchester, VA 22601
Phone: 540-536-3470    Fax: 540-536-3471
Dr. Percival Ofrecio Buenaventura, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 1880 Amherst St Ste 310, Winchester, VA 22601
Phone: 540-536-6721    Fax: 540-536-6724
Ernesto Jimenez, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 1880 Amherst St Ste 310, Winchester, VA 22601
Phone: 540-536-6721    Fax: 540-536-6724

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.