Dr Marcos Daniel Villarreal, MD - Medicare Internal Medicine in Fredericksburg, VA

Dr Marcos Daniel Villarreal, MD is a medicare enrolled "Internal Medicine" physician in Fredericksburg, Virginia. He went to University Of Texas Southwestern Medical School At Dallas and graduated in 2019 and has 7 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mary Hitchcock Memorial Hospital, Beebe Physician Network Inc. and his current practice location is 1101 Sam Perry Blvd Ste 305, Fredericksburg, Virginia. You can reach out to his office (for appointments etc.) via phone at (540) 374-3290.

Dr Marcos Daniel Villarreal is licensed to practice in New Hampshire (license number 35091) 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 1265095160.

Contact Information

Dr Marcos Daniel Villarreal, MD
1101 Sam Perry Blvd Ste 305,
Fredericksburg, VA 22401-4465
(540) 374-3290
Not Available

Map and Direction




Physician's Profile

Full NameDr Marcos Daniel Villarreal
GenderMale
SpecialityInternal Medicine
Experience7 Years
Location1101 Sam Perry Blvd Ste 305, Fredericksburg, 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 Marcos Daniel Villarreal attended and graduated from University Of Texas Southwestern Medical School At Dallas in 2019
  NPI Data:
  • NPI Number: 1265095160
  • Provider Enumeration Date: 04/16/2019
  • Last Update Date: 12/16/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3779012869
  • Enrollment ID: I20250731002913

Medical Identifiers

Medical identifiers for Dr Marcos Daniel Villarreal such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265095160NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 35091 (New Hampshire)Primary
207R00000XInternal Medicine 0101284157 (Virginia)Secondary
207R00000XInternal Medicine BP10067181 (Texas)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism C1-0028811 (Delaware)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mary Hitchcock Memorial HospitalLebanon, NHHospital
Beebe Medical CenterLewes, DEHospital
Mary Washington HospitalFredericksburg, VAHospital
Cheshire Medical CenterKeene, NHHospital
Alice Peck Day Memorial HospitalLebanon, NHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mary Hitchcock Memorial Hospital44865611641276
Beebe Physician Network Inc.5496744864291

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 Marcos Daniel Villarreal 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 Marcos Daniel Villarreal, MD
1500 Red River St, Ut Austin Dell Medical School Seton Internal Medicine,
Austin, TX 78701-1918

Ph: () -
Dr Marcos Daniel Villarreal, MD
1101 Sam Perry Blvd Ste 305,
Fredericksburg, VA 22401-4465

Ph: (540) 374-3290

Reviews and Comments


Internal Medicine Doctors in Fredericksburg, VA

Dr. Thomas P Officer, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 101 Park Hill Dr, Fredericksburg, VA 22401
Phone: 540-371-3010    Fax: 540-899-9821
Mrs. Jennifer Lynn Ross, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4510 Plank Rd Ste 200, Fredericksburg, VA 22407
Phone: 540-870-6550    Fax: 540-870-6552
Dr. Robert H Seamon, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 130 Executive Center Pkwy, Fredericksburg, VA 22401
Phone: 540-370-4468    Fax: 540-370-4460
Anson Le Pham, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 10432 Patriot Hwy, Fredericksburg, VA 22408
Phone: 804-675-6746    
Harry Garrett Oldland, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4535 Spotsylvania Pkwy, Fredericksburg, VA 22408
Phone: 540-374-3160    
Dien Nguyen, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3031 Plank Rd, Fredericksburg, VA 22401
Phone: 540-736-5043    Fax: 540-736-5044
Shahab S Virani, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 Thornton St Ste 200, Fredericksburg, VA 22401
Phone: 540-371-6810    Fax: 540-371-9154

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.