Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Emma Everlyn Tunac Castillo Bercasio, MD

Individual provider Infectious Disease Physician · NPI 1083706568

Emma Everlyn Tunac Castillo Bercasio, MD is an Infectious Disease in Williamsburg, Virginia. Qualified in 1993, 33 years ago. Practices with Sentara Medical Group, a 1,403-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in North Carolina and Virginia.

Years since qualifying
33
Licensed in
NC, VA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

400 Sentara Cir Ste 201B
Williamsburg, VA 23188-5716
Phone: (757) 345-4655
Fax: (757) 390-4892
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2704 N Main St, Tarboro, NC 27886-1918 — (252) 823-0808

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 0101266473 (VA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 200100655 (NC)

Record details

NPI number1083706568
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJune 2, 2025
Certification dateJune 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Sentara Medical Group — 1403 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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