Darwin-Dean Tabios Castillo, M.D.
Emergency Medicine Physician · Williamsburg, VA
Darwin-Dean Tabios Castillo, M.D. is an emergency medicine physician with a practice address in Williamsburg, Virginia, and NPI 1740507797, issued on Apr 30, 2010. Check the license (Virginia 0101254805, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Darwin-Dean Tabios Castillo
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 0101254805 VA
30537 WV
Self-reported in NPPES; status is on the state search - Practice location
- 4374 New Town Ave Ste 100, Williamsburg, VA 23188
- Phone
- (757) 772-6124
- Enumerated
- Apr 30, 2010
- Record last updated
- Mar 10, 2025
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,715 in Virginia → Look up another NPI →
Also registered at 4374 New Town Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shelly Brown, FNP-CFamily Nurse Practitioner1518550359
- Sara Weibel, FNP-CFamily Nurse Practitioner1134812654
Verify Darwin-Dean Tabios Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101254805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average emergency medicine physician in 2024
404 Medicare Part D claims for 227 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 69 claims were for opioids.
Most prescribed
- Ondansetron Odt88 claims
- Cephalexin43 claims
- Oxycodone-Acetaminophen28 claims
- Hydrocodone-Acetaminophen17 claims
- Azithromycin16 claims
- Famotidine12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Darwin-Dean Tabios Castillo among 1,715 emergency medicine physician records in Virginia
Darwin-Dean Tabios Castillo, M.D. is one of 1,715 emergency medicine physician records with a practice address in Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.
- NPI issued2010 · 57% of these records are older, 41% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 emergency medicine physician records list a practice address in Williamsburg
They are 23 of the 1,707 NPPES records with a practice address in Williamsburg, and 1,715 emergency medicine physician records in Virginia.
All 1,715 in Virginia → Every provider in Williamsburg → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Camp, MDWilliamsburg, VA 231881205921772
- Robert Foos, MDWilliamsburg, VA 231881750476222
- David Fulp, M.D.Williamsburg, VA 231881992713549
- Alex Hamidi, DOWilliamsburg, VA 231881760945513
- Scott Huang, MDWilliamsburg, VA 231881568044618
- Susan Lessner-Boesler, DOWilliamsburg, VA 231881003874587
- Shannon McDonnell, MDWilliamsburg, VA 231881477523066
- Clarice Moussalli, M.D.Williamsburg, VA 231881487620035
Common questions
What is Darwin-Dean Tabios Castillo, M.D.'s NPI number?
Darwin-Dean Tabios Castillo, M.D.'s National Provider Identifier (NPI) is 1740507797, issued on Apr 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Darwin-Dean Tabios Castillo, M.D. located?
The NPPES record lists a practice address at 4374 New Town Ave Ste 100, Williamsburg, VA, 23188. Phone: (757) 772-6124. Providers update this record themselves, so call before visiting.
How can I verify Darwin-Dean Tabios Castillo, M.D.'s license?
NPPES lists Virginia license number 0101254805, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Darwin-Dean Tabios Castillo, M.D. prescribe under Medicare Part D?
In 2024, Darwin-Dean Tabios Castillo, M.D. had 404 Medicare Part D claims for 227 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Darwin-Dean Tabios Castillo, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.