Luis J. Castro, MD
Family Medicine Physician · Rehoboth Beach, DE
Luis J. Castro, MD is a family medicine physician with a practice address in Rehoboth Beach, Delaware, and NPI 1336104900, issued on Apr 18, 2006. Check the license (Delaware C1-0024063, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Luis J. Castro
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C1-0024063 DE
2080361 NY
Self-reported in NPPES; status is on the state search - Practice location
- 18941 John J Williams Hwy, Rehoboth Beach, DE 19971
- Phone
- (302) 645-3010
- Enumerated
- Apr 18, 2006
- Record last updated
- Sep 23, 2024
- Fax
- (302) 645-3814
- Medicaid ID
- 02002922 NY
- Medicare enrollment
- Enrolled (PECOS I20210318000367); accepts Medicare assignment
- 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 18941 John J Williams Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Barbosa, D.O.Surgery Physician1568472355
- Christy Tuske, PACPhysician Assistant1710176052
Verify Luis J. 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 C1-0024063Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average family medicine physician in 2024
1,059 Medicare Part D claims for 821 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin108 claims
- Prednisone97 claims
- Nitrofurantoin Mono-Macro85 claims
- Amoxicillin-Clavulanate Potass82 claims
- Cephalexin80 claims
- Doxycycline Hyclate66 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.
Industry payments in 2024: $16.93
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Beebe Physician Network Inc.Georgetown, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Luis J. Castro among 518 family medicine physician records in Delaware
Luis J. Castro, MD 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · 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).
5 family medicine physician records list a practice address in Rehoboth Beach
They are 5 of the 291 NPPES records with a practice address in Rehoboth Beach, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Rehoboth Beach → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Peter Collis, MDRehoboth Beach, DE 199711013116888
- Jeffrey Hawtof, M.D.Rehoboth Beach, DE 199711548235799
- David Reyes, M.D, FAAFPRehoboth Beach, DE 199711962400390
- Matthew Tulloch, M.D.Rehoboth Beach, DE 199711912972431
- Bonnie Burnquist, MDOcean View, DE 199701275525008
- Margaret Gatti, RNMSN APRN BCOcean View, DE 199701851380364
- Paul Aguillon, M.D.Blades, DE 199731275813552
- Ghazaleh Barghgir, MDSeaford, DE 199731124760665
Common questions
What is Luis J. Castro, MD's NPI number?
Luis J. Castro, MD's National Provider Identifier (NPI) is 1336104900, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Luis J. Castro, MD located?
The NPPES record lists a practice address at 18941 John J Williams Hwy, Rehoboth Beach, DE, 19971. Phone: (302) 645-3010. Providers update this record themselves, so call before visiting.
How can I verify Luis J. Castro, MD's license?
NPPES lists Delaware license number C1-0024063, 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 Luis J. Castro, MD prescribe under Medicare Part D?
In 2024, Luis J. Castro, MD had 1,059 Medicare Part D claims for 821 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.