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Home > PA Providers > Pediatric Neurosurgeons

Dr. Mark S. Dias, MD

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Specializes in: Pediatric Neurosurgery

Johns Hopkins University School of Medicine (1982)

1430 Harrisburg Pike
Lancaster, PA 17601

(717) 531-3828

Dr. Mark S. Dias, MD is a pediatric neurosurgeon in Lancaster, PA specializing in pediatric neurosurgery. He graduated from Johns Hopkins University School of Medicine in 1982 and has 44 years of experience. Dr. Mark S. Dias, MD is affiliated with Penn State Health.

Office Locations

1430 Harrisburg Pike
Lancaster, PA 17601

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500 University Drive
Hershey, PA 17033

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In The News (see more mentions in the news)

“Dr. Mark Dias, a professor of neurosurgery and pediatrics and the vice-chair for neurosurgical education at Pennsylvania State University, told Newsweek that there is often evidence in cases...”—"Viewers stunned by "traumatizing" demo showing shaken baby syndrome", Newsweek, October 2022

“Thomas Jefferson University Hospital, for example, ensures that the parents of the nearly 2,000 babies born there each year receive information through the statewide Pennsylvania Shaken Baby...”—"When babies won't stop crying, here's help to save sanity and lives", Philadelphia Inquirer, January 2017

“On Dec. 21, Berks County detectives met with Dr. Mark Dias and Dr. Kathryn Crowell from Hershey Medical Center who explained that the girl suffered a massive brain injury.”—"Man charged with abusing 2-year-old daughter, leaving her blind and unable to walk", The Morning Call, February 2013

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

doctor visit	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark S. Dias, MD treated as a pediatric neurosurgeon in Lancaster, PA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

doctor visit	16
hospital care	20
inpatient care	20

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Dias, MD.

**Gender**
Male	21
Female	17

Conditions of Medicare patients treated by Dr. Mark S. Dias, MD in 2013

Hypertension	32
High Cholesterol	32
Stroke	0
Ischemic Heart Disease	0
Depression	50
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

doctor visit	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Dias, MD.

**Gender**
Male	21
Female	11

Conditions of Medicare patients treated by Dr. Mark S. Dias, MD in 2014

Hypertension	41
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	44
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark S. Dias, MD treated as a pediatric neurosurgeon in Lancaster, PA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

hospital care	23
inpatient care	23

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Dias, MD.

**Gender**
Male	42
Female	46

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	48

Conditions of Medicare patients treated by Dr. Mark S. Dias, MD in 2015

Hypertension	55
High Cholesterol	48
Stroke	34
Ischemic Heart Disease	0
Depression	43
Chronic Kidney Disease	39
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark S. Dias, MD treated as a pediatric neurosurgeon in Lancaster, PA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

doctor visit	14
hospital care	22
inpatient care	22

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Dias, MD.

**Gender**
Male	23
Female	19

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	29

Conditions of Medicare patients treated by Dr. Mark S. Dias, MD in 2016

Hypertension	45
High Cholesterol	36
Stroke	29
Ischemic Heart Disease	26
Depression	43
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

doctor visit	19

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Dias, MD.

**Gender**
Male	15
Female	20

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	35

Conditions of Medicare patients treated by Dr. Mark S. Dias, MD in 2017

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	40
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

doctor visit	39

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Dias, MD.

**Gender**
Male	19
Female	23

Conditions of Medicare patients treated by Dr. Mark S. Dias, MD in 2018

Hypertension	26
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	38
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

doctor visit	33

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Dias, MD.

**Gender**
Male	15
Female	15

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Mark S. Dias, MD in 2020

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	55
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Volume of procedures performed by Dr. Mark S. Dias, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark S. Dias, MD treated as a pediatric neurosurgeon in Lancaster, PA were hospital care and inpatient care.

doctor visit	20
hospital care	21
inpatient care	21

Average Medicare Patient Data From 2012 - 2020

Information about Medicare patients treated by Dr. Mark S. Dias, MD.

**Gender**
Female	16
Male	17

**Age**
85 and over	0
75 to 84	0
Less than 65	12
65 to 74	0

Average of Total of Conditions of Medicare patients treated by Dr. Mark S. Dias, MD From 2012 - 2020

The highest averages of the most common conditions of Medicare patients that Dr. Mark S. Dias, MD treated were depression, hypertension, chronic kidney disease and high cholesterol.

Hypertension	22
High Cholesterol	12
Stroke	7
Ischemic Heart Disease	2
Depression	34
Chronic Kidney Disease	12
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Atrial Fibrillation	0
Dementia	0
Cancer	0

Education & Training

Dr. Mark S. Dias, MD graduated from Johns Hopkins University School of Medicine in 1982. He completed residency at Neurological Surgery University Health Centers of Pittsburgh. He has a state license in Pennsylvania.

Medical School: Johns Hopkins University School of Medicine (1982)

Residency: Neurological Surgery University Health Centers of Pittsburgh (1989)

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Mark S. Dias, MD is associated with these hospitals and organizations:

Penn State Health

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General Payments

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

**Payments by Company**
Allergan Inc.	$22,500 BOTOX $16,500	$6,000
Medtronic USA, Inc.	$228 LIORESAL $119	Spinal Cord Neurostimulation - Neuro $105	Drug Infusion Systems - Neuro $4
DePuy Synthes Sales Inc.	$25 Neurosurgery $25

**Types of Payments**
Consulting Fee	$15,000
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$7,500
Food and Beverage	$253

Biography

Dr. Mark Dias is a pediatric neurosurgery specialist in Hershey, PA and Lancaster, PA. He graduated from Johns Hopkins University School of Medicine. He is affiliated with Penn State Health.