Olivia Castro, D.O
Family Medicine Physician · Smyrna, DE
Olivia Castro, D.O is a family medicine physician with a practice address in Smyrna, Delaware, and NPI 1285094532, issued on Feb 29, 2016. Check the license (Delaware C2-0013019, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Olivia Castro
- Credential
- D.O
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C2-0013019 DE
Self-reported in NPPES; status is on the state search - Practice location
- 100 S Main St Ste 207, Smyrna, DE 19977
- Phone
- (302) 659-4490
- Enumerated
- Feb 29, 2016
- Record last updated
- Sep 18, 2024
- Fax
- (302) 659-4495
- Medicare enrollment
- Enrolled (PECOS I20190723000645); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 100 S Main St Ste 207
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shirin Felizadeh, M.D.Family Medicine Physician1306533021
- Meghan Hudson, LPCMHMental Health Counselor1508376195
- Patricia Jacob, FNPFamily Nurse Practitioner1982685038
Verify Olivia Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C2-0013019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,180 Medicare Part D claims for 751 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium581 claims
- Amlodipine Besylate367 claims
- Losartan Potassium300 claims
- Levothyroxine Sodium287 claims
- Omeprazole245 claims
- Rosuvastatin Calcium207 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.
Bills Medicare through one group practice
- Christiana Care Health Services IncSmyrna, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olivia Castro among 518 family medicine physician records in Delaware
Olivia Castro, D.O is one of 518 family medicine physician records with a practice address in Delaware. 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 2016, is newer than 76% of them.
- NPI issued2016 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2016 · median 2002 among the 323 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family medicine physician records list a practice address in Smyrna
They are 10 of the 349 NPPES records with a practice address in Smyrna, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Smyrna → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- A Chervenak, D.O.Smyrna, DE 199771356491484
- Alexys Daut, M.D.Smyrna, DE 199771982994216
- Priyanka Dixit-Patel, MDSmyrna, DE 199771760536262
- Shirin Felizadeh, M.D.Smyrna, DE 199771306533021
- Laurianne Haynes, MDSmyrna, DE 199771184101115
- Deborah Kirk, M.D.Smyrna, DE 199771427069475
- Vicenta Marquez, M.D.Smyrna, DE 199771063478386
- Jazab Sheikh, M.D.Smyrna, DE 199771043655186
Common questions
What is Olivia Castro, D.O's NPI number?
Olivia Castro, D.O's National Provider Identifier (NPI) is 1285094532, issued on Feb 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Castro, D.O located?
The NPPES record lists a practice address at 100 S Main St Ste 207, Smyrna, DE, 19977. Phone: (302) 659-4490. Providers update this record themselves, so call before visiting.
How can I verify Olivia Castro, D.O's license?
NPPES lists Delaware license number C2-0013019, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Olivia Castro, D.O prescribe under Medicare Part D?
In 2024, Olivia Castro, D.O had 7,180 Medicare Part D claims for 751 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.