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Home > MD Providers > Spine Surgeons

Dr. Spiro B. Antoniades, MD

Accepting New Patients

(277 Ratings)

Specializes in: Spine Surgery and Orthopedics/Orthopedic Surgery

Johns Hopkins University School of Medicine (1992)

3449 Wilkens Avenue Suite 305
Baltimore, MD 21229

(410) 368-9992

Dr. Spiro B. Antoniades, MD is a spine surgeon in Bel Air, MD specializing in spine surgery and orthopedics/orthopedic surgery. He graduated from Johns Hopkins University School of Medicine in 1992 and has 34 years of experience. Dr. Spiro B. Antoniades, MD is affiliated with University of Maryland Medical System and Ascension.

Office Locations

University of Maryland Medical System

2014 South Tollgate Road
Bel Air, MD 21015

(410) 877-7776

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Ascension

3449 Wilkens Avenue Suite 305
Baltimore, MD 21229

(410) 368-9992

(410) 368-9997

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Noteworthy Medicare Patient Procedures Performed by Dr. Spiro B. Antoniades, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

disc surgery

In 2023, Dr. Spiro B. Antoniades, MD had a list price for disc surgery that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Maryland. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

decompression surgery

decompressive lumbar laminectomy

laminectomy

laminectomy with foraminotomy and facetectomy

By Affordability:

posterior lumbar discectomy

revision laminotomy

revision surgery

In 2012, among providers in related specialties within Maryland, Dr. Spiro B. Antoniades, MD performed more decompression surgery, decompressive lumbar laminectomy, laminectomy, and laminectomy with foraminotomy and facetectomy procedures for Medicare patients than 75% of them and he also had a list price for discectomy (disc removal surgery), hemilaminectomy, lumbar discectomy, posterior discectomy, posterior lumbar discectomy, revision laminotomy, and revision surgery that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2012 were spinal procedures, X-rays, MRI (magnetic resonance imaging) and nerve procedures.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

arthrodesis (bone fusion surgery)	14
aspiration	12
closed (non-surgical) treatment of fracture	12
CT scan	34
decompression surgery	87
doctor visit	611
hip imaging	25
hospital care	81
injections	12
inpatient care	81
MRI (magnetic resonance imaging)	280
musculoskeletal imaging	25
neck surgery	14
nerve procedures	87
pelvic imaging	13
revision surgery	24
spinal procedures	801
X-rays	409

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2013 were spinal procedures, X-rays, MRI (magnetic resonance imaging) and nerve procedures.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
aspiration	11
CT scan	22
decompression surgery	76
doctor visit	557
hospital care	53
injections	11
inpatient care	53
MRI (magnetic resonance imaging)	225
neck surgery	12
nerve procedures	76
revision surgery	16
spinal procedures	654
X-rays	305

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	188
Female	291

**Ethnicity**
Non-Hispanic White	442
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	139
85 and over	51
Less than 65	75

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2013

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	41
Depression	27
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	15
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2014 were spinal procedures, X-rays, MRI (magnetic resonance imaging) and nerve procedures.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

arthrodesis (bone fusion surgery)	15
aspiration	21
CT scan	13
decompression surgery	81
doctor visit	625
hospital care	68
image guided procedures	12
injections	33
inpatient care	68
minimally invasive procedures	12
MRI (magnetic resonance imaging)	175
neck surgery	15
nerve procedures	81
pain management	12
revision surgery	18
spinal procedures	629
X-rays	303

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	240
Female	303

**Ethnicity**
Non-Hispanic White	494
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	188
85 and over	62
Less than 65	78

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2014

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2015 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

arthrodesis (bone fusion surgery)	21
decompression surgery	106
doctor visit	686
hospital care	48
image guided procedures	13
injections	13
inpatient care	48
minimally invasive procedures	13
neck surgery	21
nerve procedures	106
pain management	13
revision surgery	26
spinal procedures	369
X-rays	196

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	446
Female	648

**Ethnicity**
Non-Hispanic White	1024
Black	46
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	508
From 75 to 84	318
85 and over	128
Less than 65	140

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2015

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	23
Asthma	13
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2016 were spinal procedures, nerve procedures, decompression surgery and hospital care.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

arthrodesis (bone fusion surgery)	20
aspiration	15
decompression surgery	136
doctor visit	815
hospital care	49
implant removal	19
injections	15
inpatient care	49
neck surgery	20
nerve procedures	136
revision surgery	43
spinal procedures	278
X-rays	44

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	266
Female	387

**Ethnicity**
Non-Hispanic White	616
Black	26
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	281
From 75 to 84	221
85 and over	63
Less than 65	88

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	27
Asthma	22
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2017 were spinal procedures, nerve procedures, decompression surgery and hospital care.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

arthrodesis (bone fusion surgery)	23
decompression surgery	116
doctor visit	799
hospital care	46
implant removal	11
inpatient care	46
neck surgery	23
nerve procedures	116
revision surgery	21
spinal procedures	201

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	266
Female	386

**Ethnicity**
Non-Hispanic White	599
Black	39
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	211
85 and over	60
Less than 65	74

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2018 were spinal procedures, nerve procedures, decompression surgery and X-rays.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

aspiration	14
decompression surgery	85
doctor visit	676
hospital care	21
injections	14
inpatient care	21
nerve procedures	85
revision surgery	26
spinal procedures	135
X-rays	37

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	233
Female	285

**Ethnicity**
Non-Hispanic White	465
Black	35
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	163
85 and over	38
Less than 65	75

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2019 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
decompression surgery	74
doctor visit	488
neck surgery	12
nerve procedures	74
revision surgery	13
spinal procedures	266
X-rays	158

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	182
Female	211

**Ethnicity**
Non-Hispanic White	352
Black	24
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	123
85 and over	34
Less than 65	52

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	40
Depression	28
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	17
Diabetes	38
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2020 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

decompression surgery	27
doctor visit	304
nerve procedures	27
spinal procedures	171
X-rays	131

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	138
Female	163

**Ethnicity**
Non-Hispanic White	258
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	84
85 and over	28
Less than 65	42

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2020

Hypertension	67
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	36
Depression	31
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2021 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

aspiration	13
decompression surgery	27
doctor visit	442
injections	13
nerve procedures	27
spinal procedures	86
X-rays	59

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	138
Female	195

**Ethnicity**
Non-Hispanic White	265
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	105
85 and over	37
Less than 65	39

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2021

Hypertension	74
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2022 were nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

decompression surgery	34
doctor visit	516
nerve procedures	34
spinal procedures	34

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	171
Female	231

**Ethnicity**
Non-Hispanic White	310
Black	69
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	194
From 75 to 84	142
85 and over	36
Less than 65	30

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	19
Asthma	13
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	9
Chronic Obstructive Pulmonary Disease	14
Diabetes	32
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD during 2023 were spinal procedures, nerve procedures, decompression surgery and revision surgery.

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

decompression surgery	53
doctor visit	508
nerve procedures	53
revision surgery	11
spinal procedures	64

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Male	150
Female	231

**Ethnicity**
Non-Hispanic White	309
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	135
85 and over	31
Less than 65	40

Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	18
Asthma	11
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Spiro B. Antoniades, MD for Medicare patients.

The highest averages for the top procedures that Dr. Spiro B. Antoniades, MD treated as a spine surgeon in Bel Air, MD were spinal procedures, MRI (magnetic resonance imaging), X-rays and nerve procedures.

arthrodesis (bone fusion surgery)	16
aspiration	14
closed (non-surgical) treatment of fracture	12
CT scan	23
decompression surgery	75
doctor visit	585
hip imaging	25
hospital care	52
image guided procedures	12
implant removal	15
injections	15
inpatient care	52
minimally invasive procedures	12
MRI (magnetic resonance imaging)	226
musculoskeletal imaging	25
neck surgery	16
nerve procedures	75
pain management	12
pelvic imaging	13
revision surgery	22
spinal procedures	307
X-rays	182

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Spiro B. Antoniades, MD.

**Gender**
Female	277
Male	201

**Ethnicity**
Black / African American	30
Asian / Pacific Islander	0
Non-Hispanic White	427
Hispanic	0
Native American / Alaskan Native	0
Other	1

**Age**
85 and over	47
75 to 84	152
Less than 65	61
65 to 74	218

Average of Total of Conditions of Medicare patients treated by Dr. Spiro B. Antoniades, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Spiro B. Antoniades, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	33
Depression	24
Chronic Kidney Disease	23
Asthma	10
Osteoporosis	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Atrial Fibrillation	10
Dementia	7
Cancer	10

Education & Training

Dr. Spiro B. Antoniades, MD graduated from Johns Hopkins University School of Medicine in 1992. He completed residency at Union Memorial Hospital. He is certified by the Certifications: The American Board of Orthopaedic Surgery - Orthopaedic Surgery and has a state license in Maryland.

Medical School: Johns Hopkins University School of Medicine (1992)

Residency: Union Memorial Hospital

Board Certification: Certifications: The American Board of Orthopaedic Surgery - Orthopaedic Surgery

Licensed In: Maryland

Affiliations & Hospitals

Dr. Spiro B. Antoniades, MD is associated with these hospitals and organizations:

University of Maryland Medical System

Ascension

Ratings & Reviews

Dr. Spiro B. Antoniades, MD has an exceptional overall rating with an average of 4.8 out of 5 stars based on 277 ratings. We collect ratings and reviews of Dr. Spiro B. Antoniades, MD from all over the web to help you find the right in Bel Air, MD.

4.8

Overall Rating

(277 Ratings)

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General Payments

These charts describe general payments received by Dr. Spiro B. Antoniades, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
NUVASIVE, INC.	$1,768 XLIF $1,699	VuePoint $57	Leverage $11
Globus Medical, Inc.	$337 ExcelsiusGPS Robotic Navigation System $118	Excelsius - GPS $100	Excelsius Robotics System $72	CREO 5.5 $48
Stryker Corporation	$314 CAPRI Corpectomy Cage System $162	Tritanium $135	EVEREST Spinal System $16
ZIMVIE INC.	$143 Mobi-C $143
DePuy Synthes Sales Inc.	$119 Fibergraft BG Morsels $63	AEGIS $29	ORTHOVISC $26
Other	$129 KYPHON EXPRESS II KYPHOPAK TRAY $47	cervical-stim $22	$60

**Types of Payments**
Travel and Lodging	$1,594
Food and Beverage	$1,215

Biography

Dr. Spiro Antoniades is a physician who specializes in spine surgery and orthopedics/orthopedic surgery. On average, patients gave Dr. Antoniades a rating of 5.0 stars (out of 5). He attended medical school at Johns Hopkins University School of Medicine. His training includes a residency program at Union Memorial Hospital. Dr. Antoniades is conversant in Greek. His professional affiliations include the University of Maryland Medical System and Ascension.