Emma Everlyn Tunac Castillo, MD - Medicare Infectious Disease in Williamsburg, VA

Emma Everlyn Tunac Castillo, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Williamsburg, Virginia. She graduated from medical school in 1993 and has 31 years of diverse experience with area of expertise as Infectious Disease. She is a member of the group practice Sentara Medical Group and her current practice location is 400 Sentara Cir Ste 201b, Williamsburg, Virginia. You can reach out to her office (for appointments etc.) via phone at (757) 345-4655.

Emma Everlyn Tunac Castillo is licensed to practice in Virginia (license number 0101266473) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1083706568.

Contact Information

Emma Everlyn Tunac Castillo, MD
400 Sentara Cir Ste 201b,
Williamsburg, VA 23188-5716
(757) 345-4655
(757) 390-4892

Map and Direction




Physician's Profile

Full NameEmma Everlyn Tunac Castillo
GenderFemale
SpecialityInfectious Disease
Experience31 Years
Location400 Sentara Cir Ste 201b, Williamsburg, Virginia
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Emma Everlyn Tunac Castillo graduated from medical school in 1993
  NPI Data:
  • NPI Number: 1083706568
  • Provider Enumeration Date: 09/29/2006
  • Last Update Date: 11/08/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4082664834
  • Enrollment ID: I20191218002519

Medical Identifiers

Medical identifiers for Emma Everlyn Tunac Castillo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083706568NPI-NPPES
129XGOtherNCBCBS
P00671694OtherMEDICARE RAILROAD
5900019MedicaidNC
4213840OtherNCCIGNA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease 0101266473 (Virginia)Primary
207RI0200XInternal Medicine - Infectious Disease 200100655 (North Carolina)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sentara Williamsburg Regional Medical CenterWilliamsburg, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sentara Medical Group89219039231091

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. Emma Everlyn Tunac Castillo allows following entities to bill medicare on her behalf.
Entity NameSentara Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265485270
PECOS PAC ID: 8921903923
Enrollment ID: O20031203000466

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. Emma Everlyn Tunac Castillo 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
Emma Everlyn Tunac Castillo, MD
400 Sentara Cir Ste 201b,
Williamsburg, VA 23188-5716

Ph: (757) 345-4655
Emma Everlyn Tunac Castillo, MD
400 Sentara Cir Ste 201b,
Williamsburg, VA 23188-5716

Ph: (757) 345-4655

Reviews and Comments


Internal Medicine Doctors in Williamsburg, VA

Dr. Harold D Jones Iii, MD
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 4601 Ironbound Rd, Eastern State Hospital, Williamsburg, VA 23187
Phone: 757-253-5161    
Dr. Ralph R Dimattia, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 100 Sentara Cir, Williamsburg, VA 23188
Phone: 757-984-7218    Fax: 757-984-7210
William J Beneke, M.D
Infectious Disease
Medicare: May Accept Medicare Assignments
Practice Location: 5215 Monticello Ave, Williamsburg, VA 23188
Phone: 757-229-1440    
Dr. Kathleen M Tylman, D.O.
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 477 Mclaws Cir, Suite 1, Williamsburg, VA 23185
Phone: 757-208-0005    Fax: 757-208-0006
Dr. Vicki Stone Wilhelm, MD
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 137 Kingspoint Dr, Williamsburg, VA 23185
Phone: 757-220-2718    
David Gordon Hundt, MD
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 227 Mclaws Cir, Williamsburg, VA 23185
Phone: 757-564-8182    Fax: 757-564-0077
Abel Teka Yimer, M.D.
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 477 Mclaws Cir Ste 1, Williamsburg, VA 23185
Phone: 757-984-9675    Fax: 757-470-5401

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.