Jose Marciano Castro, MD
Internal Medicine Physician · Wilmington, DE
Jose Marciano Castro, MD is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1083792352, issued on Nov 2, 2006. Check the license (Delaware C10006064, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Jose Marciano Castro
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C10006064 DE
Self-reported in NPPES; status is on the state search - Practice location
- 2055 Limestone RD, Wilmington, DE 19808
- Phone
- (302) 999-8169
- Enumerated
- Nov 2, 2006
- Record last updated
- Mar 6, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (302) 999-8190
- Medicaid ID
- 0001082001 DE
- Medicare enrollment
- Enrolled (PECOS I20050421000389); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 2055 Limestone RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Franklin Ampadu, M.D.Internal Medicine Physician1245236843
- Genevieve Aucoin, MA, MT-BC, LACMHMental Health Counselor1225924301
- Connie Bryner, C.HTSpecialist1831757814
- Dennis Carradin, MED., LPCMH, BCETSMental Health Counselor1952515454
- Marcia Gina Castro, MDInternal Medicine Physician1407934789
- Patricia Daly, LCSWClinical Social Worker1225131915
Verify Jose Marciano 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 C10006064Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average internal medicine physician in 2024
12,577 Medicare Part D claims for 722 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 314 claims were for opioids.
Most prescribed
- Atorvastatin Calcium713 claims
- Amlodipine Besylate546 claims
- Rosuvastatin Calcium457 claims
- Omeprazole413 claims
- Gabapentin397 claims
- Metformin Hcl382 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: $3,538.15
158 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- First State Medical AssociatesWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jose Marciano Castro among 600 internal medicine physician records in Delaware
Jose Marciano Castro, MD is one of 600 internal medicine physician records with a practice address in Delaware. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 68% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1993 · median 2008 among the 414 with a school on file
- Record last updated2013 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 internal medicine physician records list a practice address in Wilmington
They are 107 of the 6,291 NPPES records with a practice address in Wilmington, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Wilmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mart Amick, MDWilmington, DE 198081942209143
- Franklin Ampadu, M.D.Wilmington, DE 198081245236843
- James Damour, M.D.Wilmington, DE 198081700884061
- Stuart Felzer, MDWilmington, DE 198081508804402
- Robert Kopecki, DOWilmington, DE 198081326047796
- David Maged, MDWilmington, DE 198081124028808
- Victoria Mawn, MDWilmington, DE 198081932108305
- Andrew Myers, MDWilmington, DE 198081477566446
Common questions
What is Jose Marciano Castro, MD's NPI number?
Jose Marciano Castro, MD's National Provider Identifier (NPI) is 1083792352, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jose Marciano Castro, MD located?
The NPPES record lists a practice address at 2055 Limestone RD, Wilmington, DE, 19808. Phone: (302) 999-8169. Providers update this record themselves, so call before visiting.
How can I verify Jose Marciano Castro, MD's license?
NPPES lists Delaware license number C10006064, 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 Jose Marciano Castro, MD prescribe under Medicare Part D?
In 2024, Jose Marciano Castro, MD had 12,577 Medicare Part D claims for 722 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.