Leonard Delrosario, M. D.
Internal Medicine Physician · Charleston, SC
Leonard Delrosario, M. D. is an internal medicine physician with a practice address in Charleston, South Carolina, and NPI 1194818260, issued on Oct 2, 2006. Check the license (South Carolina 17534, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leonard Delrosario
- Credential
- M. D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 17534 SC
Self-reported in NPPES; status is on the state search - Practice location
- 109 Bee St, Charleston, SC 29401
- Phone
- (843) 789-6408
- Enumerated
- Oct 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (843) 805-5798
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 109 Bee St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Georganne Abrahamson, PT, DPTPhysical Therapist1649105826
- Anthony Abramczyk, PHARM.D., BCPS, R.PHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1679862148
- Steven Ackerman, MDDiagnostic Radiology Physician1134142425
- Soni Adams, LCSWClinical Social Worker1255570768
- Ruth Adekunle, M.D.Infectious Disease Physician1366784530
Verify Leonard Delrosario in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 17534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
208 Medicare Part D claims for 18 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate33 claims
- Atorvastatin Calcium17 claims
- Allopurinol11 claims
- Simvastatin11 claims
- Tamsulosin Hcl11 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.
Leonard Delrosario among 1,881 internal medicine physician records in South Carolina
Leonard Delrosario, M. D. is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 46% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
427 internal medicine physician records list a practice address in Charleston
They are 427 of the 10,840 NPPES records with a practice address in Charleston, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Charleston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mary Lou Applebaum, MDCharleston, SC 294011457322042
- Athena Beldecos, MDCharleston, SC 294011568428639
- Courtney Brady, MDCharleston, SC 294011316055270
- John Bride, MDCharleston, SC 294011801864764
- Jeanne Campbell, MD PHDCharleston, SC 294011598718678
- Scott Davidson, MDCharleston, SC 294011386611861
- Jeffery GrimesCharleston, SC 294011194790881
- Kwame Iwegbue, MDCharleston, SC 294011255331054
Common questions
What is Leonard Delrosario, M. D.'s NPI number?
Leonard Delrosario, M. D.'s National Provider Identifier (NPI) is 1194818260, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Delrosario, M. D. located?
The NPPES record lists a practice address at 109 Bee St, Charleston, SC, 29401. Phone: (843) 789-6408. Providers update this record themselves, so call before visiting.
How can I verify Leonard Delrosario, M. D.'s license?
NPPES lists South Carolina license number 17534, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leonard Delrosario, M. D. prescribe under Medicare Part D?
In 2024, Leonard Delrosario, M. D. had 208 Medicare Part D claims for 18 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.