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Dr. Nilanee Antonette Karikaran, MD

Accepting New Patients

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Specializes in: Neurology (Brain & Spinal Cord Disease)

University of Jaffna Faculty of Medicine (1992)

2138 Scenic Highway N Suite E
Snellville, GA 30078

(678) 209-1414

Dr. Nilanee Antonette Karikaran, MD is a neurologist in Snellville, GA specializing in neurology (brain & spinal cord disease). She graduated from University of Jaffna Faculty of Medicine in 1992 and has 34 years of experience. Dr. Nilanee Antonette Karikaran, MD is affiliated with Piedmont Healthcare.

Office Locations

2138 Scenic Highway N Suite E
Snellville, GA 30078

(678) 209-1414

(678) 395-3353

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Piedmont Healthcare

2336 Wisteria Drive
Snellville, GA 30078

(678) 395-3353

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Noteworthy Medicare Patient Procedures Performed by Dr. Nilanee Antonette Karikaran, MD in 2024

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

Top 10%

By Affordability:

nerve conduction studies

In 2024, Dr. Nilanee Antonette Karikaran, MD had a list price for nerve conduction studies (NCS) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Georgia. 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 Affordability:

diagnostic procedures

electrodiagnostic testing

electrophysiological study

In 2012, Dr. Nilanee Antonette Karikaran, MD had a list price for diagnostic procedures, electrodiagnostic testing, and electrophysiological (EP) study that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Georgia. 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. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2012 were diagnostic procedures, hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	329
doctor visit	396
electroencephalography (EEG)	68
hospital care	185
inpatient care	185

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2013 were electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	62
doctor visit	472
electroencephalography (EEG)	68

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	142
Female	237

**Ethnicity**
Non-Hispanic White	270
Black	76
Hispanic	0
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	112
85 and over	37
Less than 65	81

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2013

Hypertension	74
High Cholesterol	62
Stroke	14
Ischemic Heart Disease	29
Depression	27
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	37
Dementia	26
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2014 were diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	33
doctor visit	405
electroencephalography (EEG)	23

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	102
Female	171

**Ethnicity**
Non-Hispanic White	193
Black	62
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	84
85 and over	27
Less than 65	51

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2014

Hypertension	69
High Cholesterol	59
Stroke	10
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	21
Chronic Obstructive Pulmonary Disease	10
Diabetes	40
Dementia	24
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2015 were electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	49
doctor visit	581
electroencephalography (EEG)	67

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	192
Female	406

**Ethnicity**
Non-Hispanic White	436
Black	108
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	186
85 and over	94
Less than 65	96

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2015

Hypertension	75
High Cholesterol	63
Stroke	11
Ischemic Heart Disease	31
Depression	32
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	28
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2016 were electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	51
doctor visit	710
electroencephalography (EEG)	65

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	133
Female	247

**Ethnicity**
Non-Hispanic White	258
Black	91
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	119
85 and over	48
Less than 65	60

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2016

Hypertension	73
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	32
Depression	32
Chronic Kidney Disease	35
Asthma	17
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	32
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2017 were electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	38
doctor visit	642
electroencephalography (EEG)	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	128
Female	216

**Ethnicity**
Non-Hispanic White	232
Black	79
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	111
85 and over	44
Less than 65	53

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2017

Hypertension	70
High Cholesterol	61
Stroke	16
Ischemic Heart Disease	35
Depression	42
Chronic Kidney Disease	38
Asthma	6
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	35
Dementia	33
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2018 were electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	52
doctor visit	578
electroencephalography (EEG)	65

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	124
Female	187

**Ethnicity**
Non-Hispanic White	207
Black	67
Hispanic	13
Asian	12
Other	12
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	102
85 and over	34
Less than 65	45

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2018

Hypertension	74
High Cholesterol	62
Stroke	10
Ischemic Heart Disease	30
Depression	41
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	33
Dementia	30
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2019 were electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	24
doctor visit	619
electroencephalography (EEG)	49

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	122
Female	209

**Ethnicity**
Non-Hispanic White	202
Black	91
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	110
85 and over	34
Less than 65	50

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	14
Ischemic Heart Disease	30
Depression	41
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	35
Dementia	31
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2020 were electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	20
doctor visit	490
electroencephalography (EEG)	41

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	98
Female	168

**Ethnicity**
Non-Hispanic White	168
Black	70
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	81
85 and over	32
Less than 65	48

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2020

Hypertension	71
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	26
Depression	34
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	25
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2021 were electroencephalography (EEG), diagnostic procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	26
doctor visit	501
electroencephalography (EEG)	37
hospital care	13
inpatient care	13

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	102
Female	164

**Ethnicity**
Non-Hispanic White	172
Black	65
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	91
85 and over	25
Less than 65	49

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2021

Hypertension	70
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	31
Depression	30
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	18
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2022 were electroencephalography (EEG).

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

doctor visit	436
electroencephalography (EEG)	27

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	82
Female	136

**Ethnicity**
Non-Hispanic White	130
Black	62
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	87
85 and over	22
Less than 65	39

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	21
Depression	28
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	34
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2023 were electroencephalography (EEG), diagnostic procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	18
doctor visit	493
electroencephalography (EEG)	48
hospital care	13
inpatient care	13

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	114
Female	162

**Ethnicity**
Non-Hispanic White	163
Black	77
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	95
85 and over	35
Less than 65	40

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	24
Depression	28
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA during 2024 were electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

diagnostic procedures	14
doctor visit	438
electroencephalography (EEG)	33

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	98
Female	147

**Ethnicity**
Non-Hispanic White	139
Black	78
Hispanic	0
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	79
85 and over	33
Less than 65	33

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	25
Depression	32
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Nilanee Antonette Karikaran, MD for Medicare patients.

The highest averages for the top procedures that Dr. Nilanee Antonette Karikaran, MD treated as a neurologist in Snellville, GA were hospital care, inpatient care, diagnostic procedures and electroencephalography (EEG).

diagnostic procedures	59
doctor visit	520
electroencephalography (EEG)	48
hospital care	70
inpatient care	70

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD.

**Gender**
Male	110
Female	188

**Ethnicity**
Black / African American	71
Asian / Pacific Islander	3
Non-Hispanic White	197
Native American / Alaskan Native	0
Hispanic	10
Other	0

**Age**
75 to 84	96
85 and over	35
Less than 65	49
65 to 74	116

Average of Total of Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Nilanee Antonette Karikaran, MD treated were hypertension, high cholesterol, diabetes and depression.

Hypertension	67
High Cholesterol	60
Stroke	13
Ischemic Heart Disease	26
Depression	30
Chronic Kidney Disease	29
Asthma	9
Osteoporosis	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Atrial Fibrillation	9
Cancer	9
Dementia	22

Education & Training

Dr. Nilanee Antonette Karikaran, MD graduated from University of Jaffna Faculty of Medicine in 1992. She completed residency at Medical University of South Carolina Affiliated Hospitals. She has a state license in Georgia.

Medical School: University of Jaffna Faculty of Medicine (1992)

Residency: Medical University of South Carolina Affiliated Hospitals (2002)

Licensed In: Georgia

Affiliations & Hospitals

Dr. Nilanee Antonette Karikaran, MD is associated with these hospitals and organizations:

Piedmont Healthcare

Ratings & Reviews

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General Payments

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

**Payments by Company**
Grifols USA, LLC	$4,632 Gamunex-C $4,632
Teva Pharmaceuticals USA, Inc.	$1,419 Austedo XR $310	AJOVY $190	AUSTEDO $125	Zecuity $102	COPAXONE $64	Other $628
Supernus Pharmaceuticals, Inc.	$1,024 OXTELLAR XR $744	TROKENDI XR $200	$80
UCB, Inc.	$893 Briviact $340	Neupro $335	Vimpat $192	Fintepla $15	Rystiggo $11
Promius Pharma LLC	$697 Zembrace $697
Other	$8,137 BOTOX $469	Aimovig $437	QULIPTA $407	ACTHAR $337	NURTEC ODT $317	Other $6,169

**Types of Payments**
Food and Beverage	$11,370
Consulting Fee	$4,300
Travel and Lodging	$1,103
Education	$29

Research Payments

Dr. Nilanee Antonette Karikaran, MD has received 1 research payments totaling $14.

Biography

Dr. Nilanee Karikaran is a specialist in neurology (brain & spinal cord disease). For her residency, Dr. Karikaran trained at North Shore University Hospital and a hospital affiliated with Medical University of South Carolina. She is professionally affiliated with Piedmont Healthcare. According to Piedmont Healthcare, new patients are welcome to contact her office in Snellville, GA.

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Dr. Nilanee Antonette Karikaran, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Nilanee Antonette Karikaran, MD in 2024

By Affordability:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Nilanee Antonette Karikaran, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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