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EMMA EVERLYN TUNAC CASTILLO BERCASIO MD
NPI 1083706568
Internal Medicine - Infectious Disease in Williamsburg, VA

Active since September 29, 2006PECOS EnrolledAccepts Medicare Assignment
95.11/100
CMS Quality Rating
400 SENTARA CIR STE 201B, WILLIAMSBURG, VA 23188(757) 345-4655(757) 390-4892 Get Directions Write a Review

NPPES record last updated: June 2, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 2, 2025, Nov 8, 2024, Dec 20, 2021 (3 updates tracked since 2021).

About Emma Everlyn Tunac Castillo Bercasio Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EMMA EVERLYN TUNAC CASTILLO BERCASIO MD (NPI 1083706568) is an individual infectious disease provider in Williamsburg, Virginia, licensed in Virginia (0101266473) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Sentara Norfolk General Hospital, and maintains a secondary practice location in Tarboro.

NPPES Registry Identity

NPI1083706568
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameEMMA EVERLYN TUNAC CASTILLO BERCASIOCredential: MD
Location Address400 SENTARA CIR STE 201BWilliamsburg, VA 23188-5716
Mailing Address400 Sentara Cir Ste 201bWilliamsburg, VA 23188-5716 · (757) 345-4655 · Fax (757) 390-4892
Phone(757) 345-4655
Fax(757) 390-4892
Sole ProprietorYes
Medical School CMSOtherGraduated 1993
Enumeration DateSeptember 29, 2006
Last NPPES UpdateJune 2, 20253 updates tracked since enumeration
NPPES CertifiedJune 2, 2025
✔ NPI 1083706568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in VA · 0101266473✔ Licensed in NC · 200100655
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
400 SENTARA CIR STE 201B, Williamsburg, VA 23188
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Other Names 1

Former Name (1)Emma Everlyn Tunac Castilllo

Secondary Practice Location 1

Location 12704 N Main St, Suite ATarboro, NC 27886-1918 · Phone (252) 823-0808 · Fax (252) 823-6010

Other Identifiers 4

Medicaid5900019NC
Other129XGNC · Bcbs
Other4213840NC · Cigna
OtherP00671694Medicare Railroad

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Emma Everlyn Tunac Castillo Bercasio Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082664834
PECOS Enrollment IDI20191218002519
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
337 services120 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
139 services126 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
101 services78 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
91 services52 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
49 services40 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sentara Norfolk General Hospital

Acute Care Hospitals · Norfolk, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490007
Location600 Gresham DrNorfolk, VA 23507 · Norfolk City County
Emergency services Birthing friendly

Sentara Obici Hospital

Acute Care Hospitals · Suffolk, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490044
Location2800 Godwin BoulevardSuffolk, VA 23439 · Suffolk City County
Emergency services Birthing friendly

Sentara Williamsburg Regional Medical Center

Acute Care Hospitals · Williamsburg, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490066
Location100 Sentara CircleWilliamsburg, VA 23188 · James City County
Emergency services Birthing friendly

Sentara Careplex Hospital

Acute Care Hospitals · Hampton, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490093
Location3000 Coliseum DriveHampton, VA 23666 · Hampton City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23188 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.31
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
1%161 patients1/55-star benchmark: 100%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
8%220 patients1/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
6%96 patients1/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
96%2,523 patients4/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%346 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
99%398 patients5/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
58%363 patients3/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
27%408 patients2/55-star benchmark: 88%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
64%398 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
1%398 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
16%398 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SIHAM MOHIELDIN MAHGOUB MD
Internal Medicine (Infectious Disease)
400 SENTARA CIR STE 201B
WILLIAMSBURG, VA 23188
James City County (757) 345-4655
SENTARA MEDICAL GROUP
Internal Medicine (Infectious Disease)
400 SENTARA CIR STE 201B
WILLIAMSBURG, VA 23188
James City County (757) 345-4655

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Emma Castillo Bercasio's NPI number?

The NPI number for Emma Castillo Bercasio is 1083706568. It was assigned to this individual provider in the NPPES registry on September 29, 2006. The provider is also known as Emma Everlyn Tunac Castilllo.

Where is Emma Castillo Bercasio located?

Emma Castillo Bercasio practices at 400 Sentara Cir Ste 201B, Williamsburg, VA 23188. The listed phone number is (757) 345-4655.

What is Emma Castillo Bercasio's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Emma Castillo Bercasio enrolled in Medicare?

Yes. Emma Castillo Bercasio is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Emma Castillo Bercasio affiliated with any hospitals?

According to CMS data, Emma Castillo Bercasio is affiliated with Sentara Norfolk General Hospital, Sentara Obici Hospital, Sentara Williamsburg Regional Medical Center and Sentara Careplex Hospital.

When was this NPI record last updated?

The NPPES record for Emma Castillo Bercasio was last updated on June 2, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.