Active NPI 1336249804 Individual Practitioner Male Practitioner

Dr. Borislav S. Antonov , MD

Internal Medicine • Lewes, DE

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Borislav Antonov, MD is a certified Internal Medicine practicing in Lewes, DE. With approximately 31 years of clinical experience since completing medical education in 1995, Dr. Antonov delivers high-quality medical care to the local community at 424 SAVANNAH RD.

Dr. Antonov is affiliated with Beebe Physician Network Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with straightforward or low-level medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, initial hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

424 Savannah Rd

Lewes, DE 199581462

Telephone 3026453525

Fax 3026453513

Associated Practice Facility / Clinic

🏢 Sussex Emergency Associates Llc Facility NPI 1275512105

Medicare Profile & Education

Medical School

Other

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lewes, DE

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

31 Yrs +7.0 yrs vs City Avg

City Avg: 24.0 Yrs

State Avg: 25.8 Yrs

Regional Practice Density

44 Specialists

Practicing in Lewes, DE (625 Statewide)

Telehealth Adoption Rate

20.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

58.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Antonov (31 Years) 31 Yrs

Lewes Specialty Average (24.0 Years) 24.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	474	454	$285.55	$127.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	328	321	$419.00	$168.41
99221 Initial hospital inpatient care per day, typically 30 minutes	38	37	$212.00	$78.92
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	38	37	$349.86	$155.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	398	391	$278.85	$129.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	175	172	$413.51	$172.51
99221 Initial hospital inpatient care per day, typically 30 minutes	45	45	$208.89	$81.54
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	34	34	$340.88	$159.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99219 Hospital observation care, typically 50 minutes	221	219	$272.24	$131.84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	165	163	$277.31	$134.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	61	61	$406.97	$200.04
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	38	38	$342.26	$167.03
99220 Hospital observation care, typically 70 minutes	35	35	$365.26	$180.03
99291 Critical care, first 30-74 minutes	13	13	$570.23	$220.28
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$206.36	$101.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99219 Hospital observation care, typically 50 minutes	214	213	$280.00	$135.30
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	198	192	$284.00	$138.05
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	87	86	$417.00	$201.64
99221 Initial hospital inpatient care per day, typically 30 minutes	48	48	$210.00	$102.81
99220 Hospital observation care, typically 70 minutes	36	35	$383.00	$185.04
99291 Critical care, first 30-74 minutes	25	25	$573.00	$224.35
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	23	23	$349.00	$170.03
99238 Hospital discharge day management, 30 minutes or less	15	15	$151.00	$73.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99219 Hospital observation care, typically 50 minutes	342	330	$280.00	$139.72
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	246	237	$283.48	$142.28
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	125	124	$417.00	$210.23
99221 Initial hospital inpatient care per day, typically 30 minutes	82	82	$210.00	$105.94
99220 Hospital observation care, typically 70 minutes	71	71	$382.52	$192.33
99291 Critical care, first 30-74 minutes	54	53	$573.00	$227.96
99238 Hospital discharge day management, 30 minutes or less	21	21	$151.00	$75.82
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	20	20	$349.00	$174.96
99218 Hospital observation care typically 30 minutes	17	17	$206.00	$103.30
99231 Follow-up hospital inpatient care per day, typically 15 minutes	14	14	$81.00	$40.80
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	11	11	$150.00	$75.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99219 Hospital observation care, typically 50 minutes	571	550	$280.93	$139.17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	279	270	$283.57	$139.73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	268	255	$418.89	$206.72
99220 Hospital observation care, typically 70 minutes	225	218	$385.07	$189.77
99221 Initial hospital inpatient care per day, typically 30 minutes	89	88	$210.00	$104.45
99291 Critical care, first 30-74 minutes	70	68	$493.71	$224.95
99231 Follow-up hospital inpatient care per day, typically 15 minutes	45	45	$81.60	$40.51
99218 Hospital observation care typically 30 minutes	43	43	$227.81	$102.52
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	42	42	$349.55	$170.62
99238 Hospital discharge day management, 30 minutes or less	19	19	$151.47	$75.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99219 Hospital observation care, typically 50 minutes	437	421	$281.50	$138.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	364	346	$419.54	$205.64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	353	341	$283.44	$139.51
99220 Hospital observation care, typically 70 minutes	226	223	$385.12	$188.19
99291 Critical care, first 30-74 minutes	95	91	$509.53	$216.04
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	30	30	$349.63	$172.43
99218 Hospital observation care typically 30 minutes	26	26	$207.15	$101.90
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	17	17	$450.94	$216.08
99221 Initial hospital inpatient care per day, typically 30 minutes	16	16	$210.00	$103.56
99238 Hospital discharge day management, 30 minutes or less	15	15	$151.07	$74.58
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$150.55	$52.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	466	442	$283.53	$138.84
99219 Hospital observation care, typically 50 minutes	395	380	$279.84	$137.09
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	309	298	$417.46	$205.59
99220 Hospital observation care, typically 70 minutes	182	179	$382.52	$188.97
99291 Critical care, first 30-74 minutes	94	90	$567.40	$215.68
99221 Initial hospital inpatient care per day, typically 30 minutes	28	28	$249.00	$103.44
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	23	$159.91	$73.45
99218 Hospital observation care typically 30 minutes	16	16	$205.38	$101.54
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	15	$81.00	$37.28
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	15	15	$348.47	$172.33
99238 Hospital discharge day management, 30 minutes or less	13	13	$149.46	$73.83

Medical Specialties & State Licenses

CMS Verified: 2025-06-04

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License DE C1-0006494

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License DE C1-0006494

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1336249804 (DE)

Commercial Insurance / Payer ID Railroad Medicare

P00382719 (DE)

Commercial Insurance / Payer ID Unison Health Care-Mcaid

000000208393 (DE)

Commercial Insurance / Payer ID Diamond State Medicaid

1336249804 (DE)

Commercial Insurance / Payer ID De Physician Care-Mcaid

1336249804 (DE)

Commercial Insurance / Payer ID Bcbs Of Delaware-Hospital

522011HOS (DE)

Commercial Insurance / Payer ID Coventry Health Care

591343 (DE)

Hospital & Practice Group Affiliations

Beebe Physician Network Inc.

424 Savannah Rd, Lewes, DE 199581462

Phone: 3026453525

Secondary Practice Locations

1305 Savannah Rd

Lewes, DE 199581501

Phone: 3022916450

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

33 Associated Practitioners

Dr. Maneshkumar Patel , MD

Internal Medicine

NPI 1083641484

Doctor of Medicine (M.D.)

Kathryn Pugh , ACNPC-AG

Nurse Practitioner - Acute Care

NPI 1124763602

ACNPCAG

Peter Zingone , ACNPC-AG

Nurse Practitioner

NPI 1144762519

ACNPCAG

Dr. Oluwaseun Adeniyi , MD

Internal Medicine

NPI 1154906097

Doctor of Medicine (M.D.)

Dawn Marie Dillon

Internal Medicine

NPI 1225373624

Dr. Welisane Bebe , MD

Family Medicine

NPI 1235542549

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Business Mailing Address June 04, 2025

Registered at 1515 SAVANNAH RD, LEWES, DE 199581675 (Tel: 3026453499)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 04, 2025

Hospitalist (License #C1-0006494 in DE)

✅

NPI Profile Active March 03, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location March 03, 2009

Registered at 424 SAVANNAH RD, LEWES, DE 199581462 (Tel: 3026453555)

📍

Updated Business Mailing Address March 03, 2009

Registered at 400 SAVANNAH RD, SUITE B, LEWES, DE 199581499 (Tel: 3026453555)

👤

Provider Name / Credentials Updated March 03, 2009

Recorded as BORISLAV ANTONOV, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 03, 2009

Internal Medicine (License #DSL #C1-0006494 in DE)

🟢

Initial NPI Registration & Enumeration September 25, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1336249804

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: September 25, 2006

Last Update: June 04, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1515 Savannah Rd

Lewes, DE 199581675

Phone: 3026453499

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.