Borislav S. Antonov, M.D.
Internal Medicine Physician · Lewes, DE
Borislav S. Antonov, M.D. is an internal medicine physician with a practice address in Lewes, Delaware, and NPI 1336249804, issued on Sep 25, 2006. Check the license (Delaware C1-0006494, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Borislav S. Antonov
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0006494 DE
Self-reported in NPPES; status is on the state search - Practice location
- 424 Savannah RD, Lewes, DE 19958
- Phone
- (302) 645-3525
- Enumerated
- Sep 25, 2006
- Record last updated
- Jun 4, 2025
- Fax
- (302) 645-3513
- Medicaid ID
- 1336249804 DE
- Medicare enrollment
- Enrolled (PECOS I20041119000119); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 424 Savannah RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda AbbottRegistered Nurse1356731657
- Mary Abercrombie, RNRegistered Nurse1972035301
- Lorie Vic Acacio-Nolasco, R.N.Registered Nurse1891184685
- Kathleen AdamsRegistered Nurse1477941243
- Renee Adams, RNRegistered Nurse1881246940
- Oluwaseun Adeniyi, MDInternal Medicine Physician1154906097
Verify Borislav S. Antonov 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 C1-0006494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
37 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Beebe Physician Network Inc.Lewes, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Borislav S. Antonov among 600 internal medicine physician records in Delaware
Borislav S. Antonov, M.D. 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
- Graduated1995 · median 2008 among the 414 with a school on file
- Record last updated2025 · 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).
43 internal medicine physician records list a practice address in Lewes
They are 43 of the 1,696 NPPES records with a practice address in Lewes, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Lewes → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Buonanno, M.D.Lewes, DE 199581609873413
- Linda Choy, M.D.Lewes, DE 199581437104817
- Julie Holmon, M.D.Lewes, DE 199581871580696
- Zeina Jeha, MDLewes, DE 199581669473641
- Afshin Khams, MDLewes, DE 199581669440194
- Imtiaz Khokhar, M.D.Lewes, DE 199581629075387
- Bhaskar Palekar, M.D.Lewes, DE 199581750329322
- Gary Raffel, D.O.Lewes, DE 199581396747432
Common questions
What is Borislav S. Antonov, M.D.'s NPI number?
Borislav S. Antonov, M.D.'s National Provider Identifier (NPI) is 1336249804, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Borislav S. Antonov, M.D. located?
The NPPES record lists a practice address at 424 Savannah RD, Lewes, DE, 19958. Phone: (302) 645-3525. Providers update this record themselves, so call before visiting.
How can I verify Borislav S. Antonov, M.D.'s license?
NPPES lists Delaware license number C1-0006494, 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 Borislav S. Antonov, M.D. prescribe under Medicare Part D?
In 2024, Borislav S. Antonov, M.D. had 37 Medicare Part D claims; 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.