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Dr. Daniel P. Cahill, PhD, MD

(Daniel Cahill, MD)
Specializes in: Neurosurgery and Neuro-Oncology
Johns Hopkins University School of Medicine
Professional interests include: cancer, meningioma, sarcoma (bone and soft tissue cancer), and more.
55 Fruit Street
Boston, MA 02114

Dr. Daniel P. Cahill, PhD, MD is a neurosurgeon in Boston, MA specializing in neurosurgery and neuro-oncology. He graduated from Johns Hopkins University School of Medicine. Dr. Daniel P. Cahill, PhD, MD is affiliated with Massachusetts General Hospital and Mass General Cancer Center: Neuro-Oncology.

View Doctor's Full Profile (617) 724-0884

Office Locations

55 Fruit Street
Boston, MA 02114
open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Daniel P. Cahill, PhD, MD in 2023

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

Top 5%

By Affordability:

cranial radiosurgery
external beam radiation therapy
stereotactic radiosurgery

In 2023, Dr. Daniel P. Cahill, PhD, MD had a list price for cranial radiosurgery, external beam radiation therapy (EBRT), and stereotactic radiosurgery (SRS) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Massachusetts. 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. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2012 were removal of lesion (e.g. growth), cranial surgery and excision.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 30
doctor visit 14
excision 30
removal of lesion (e.g. growth) 30

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2013 were removal of lesion (e.g. growth), cranial surgery and excision.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 16
doctor visit 19
excision 16
removal of lesion (e.g. growth) 16

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 31
Female 41
Age
From 65 to 74 35
From 75 to 84 19
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2013

Hypertension 64
High Cholesterol 64
Stroke 19
Ischemic Heart Disease 26
Depression 33
Chronic Kidney Disease 26
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 21
Chronic Obstructive Pulmonary Disease 0
Diabetes 19
Dementia 0
Cancer 24

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2014 were removal of lesion (e.g. growth), cranial surgery and excision.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 18
excision 18
removal of lesion (e.g. growth) 18

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 30
Female 39
Age
From 65 to 74 30
From 75 to 84 23
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2014

Hypertension 75
High Cholesterol 64
Stroke 28
Ischemic Heart Disease 39
Depression 43
Chronic Kidney Disease 33
Asthma 17
Osteoperosis 17
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 17
Diabetes 22
Dementia 0
Cancer 35

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2015 were removal of lesion (e.g. growth), cranial surgery and excision.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 27
doctor visit 26
excision 27
removal of lesion (e.g. growth) 27

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 70
Female 74
Age
From 65 to 74 86
From 75 to 84 30
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2015

Hypertension 75
High Cholesterol 63
Stroke 31
Ischemic Heart Disease 31
Depression 43
Chronic Kidney Disease 35
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 24
Chronic Obstructive Pulmonary Disease 21
Diabetes 26
Dementia 18
Cancer 32

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2016 were removal of lesion (e.g. growth), cranial surgery, excision and hospital care.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 28
doctor visit 13
excision 28
hospital care 14
inpatient care 14
removal of lesion (e.g. growth) 28

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 35
Female 36
Age
From 65 to 74 39
From 75 to 84 19
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2016

Hypertension 75
High Cholesterol 61
Stroke 35
Ischemic Heart Disease 39
Depression 41
Chronic Kidney Disease 32
Asthma 21
Osteoperosis 15
Atrial Fibrilation 0
Heart Failure 23
Chronic Obstructive Pulmonary Disease 0
Diabetes 15
Dementia 18
Cancer 27

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2017 were hospital care, inpatient care, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 17
excision 17
hospital care 27
inpatient care 27
removal of lesion (e.g. growth) 17

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 44
Female 41
Age
From 65 to 74 39
From 75 to 84 25
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2017

Hypertension 75
High Cholesterol 54
Stroke 27
Ischemic Heart Disease 39
Depression 41
Chronic Kidney Disease 36
Asthma 0
Osteoperosis 0
Atrial Fibrilation 15
Heart Failure 16
Chronic Obstructive Pulmonary Disease 18
Diabetes 24
Dementia 22
Cancer 35

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2018 were hospital care, inpatient care, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 25
doctor visit 17
excision 25
hospital care 27
inpatient care 27
removal of lesion (e.g. growth) 25

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 44
Female 47
Age
From 65 to 74 31
From 75 to 84 32
85 and over 11
Less than 65 17

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2018

Hypertension 75
High Cholesterol 73
Stroke 37
Ischemic Heart Disease 51
Depression 41
Chronic Kidney Disease 44
Asthma 0
Osteoperosis 0
Atrial Fibrilation 15
Heart Failure 25
Chronic Obstructive Pulmonary Disease 14
Diabetes 20
Dementia 35
Cancer 34

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2019 were removal of lesion (e.g. growth), hospital care, cranial surgery and inpatient care.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 12
excision 12
hospital care 12
inpatient care 12
removal of lesion (e.g. growth) 12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 26
Female 29
Age
From 65 to 74 30
From 75 to 84 12
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2019

Hypertension 71
High Cholesterol 51
Stroke 25
Ischemic Heart Disease 33
Depression 40
Chronic Kidney Disease 31
Asthma 0
Osteoperosis 0
Atrial Fibrilation 25
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 0
Dementia 20
Cancer 40

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2020 were radiation therapy, image guided procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 15
excision 15
hospital care 19
image guided procedures 53
inpatient care 19
radiation therapy 53
removal of lesion (e.g. growth) 15

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 34
Female 45
Age
From 65 to 74 51
From 75 to 84 0
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2020

Hypertension 65
High Cholesterol 48
Stroke 20
Ischemic Heart Disease 42
Depression 28
Chronic Kidney Disease 35
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 14
Chronic Obstructive Pulmonary Disease 18
Diabetes 27
Dementia 0
Cancer 48

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2021 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 31
excision 31
hospital care 27
image guided procedures 54
inpatient care 27
radiation therapy 54
removal of lesion (e.g. growth) 31

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 57
Female 57
Ethnicity
Non-Hispanic White 100
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 56
From 75 to 84 41
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2021

Hypertension 69
High Cholesterol 58
Stroke 28
Ischemic Heart Disease 26
Depression 29
Chronic Kidney Disease 34
Asthma 11
Osteoperosis 14
Atrial Fibrilation 15
Heart Failure 18
Chronic Obstructive Pulmonary Disease 21
Diabetes 18
Dementia 17
Cancer 55

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2022 were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 18
doctor visit 13
excision 18
image guided procedures 35
radiation therapy 35
removal of lesion (e.g. growth) 18

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 30
Female 53
Age
From 65 to 74 41
From 75 to 84 28
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2022

Hypertension 65
High Cholesterol 65
Stroke 33
Ischemic Heart Disease 18
Depression 29
Chronic Kidney Disease 17
Asthma 0
Osteoperosis 19
Atrial Fibrilation 17
Heart Failure 16
Chronic Obstructive Pulmonary Disease 22
Diabetes 18
Dementia 0
Cancer 57

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA during 2023 were radiation therapy, image guided procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

cranial surgery 16
doctor visit 22
excision 16
hospital care 18
image guided procedures 26
inpatient care 18
radiation therapy 26
removal of lesion (e.g. growth) 16

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 45
Female 45
Age
From 65 to 74 53
From 75 to 84 0
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD in 2023

Hypertension 75
High Cholesterol 74
Stroke 36
Ischemic Heart Disease 29
Depression 32
Chronic Kidney Disease 32
Asthma 0
Osteoperosis 28
Atrial Fibrilation 20
Heart Failure 16
Chronic Obstructive Pulmonary Disease 20
Diabetes 30
Dementia 0
Cancer 47

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Daniel P. Cahill, PhD, MD for Medicare patients.

The highest averages for the top procedures that Dr. Daniel P. Cahill, PhD, MD treated as a neurosurgeon in Boston, MA were radiation therapy, image guided procedures, removal of lesion (e.g. growth) and cranial surgery.

cranial surgery 21
doctor visit 17
excision 21
hospital care 20
image guided procedures 42
inpatient care 20
radiation therapy 42
removal of lesion (e.g. growth) 21

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD.

Gender
Male 37
Female 42
Ethnicity
Black / African American 0
Asian / Pacific Islander 0
Non-Hispanic White 8
Hispanic 0
Native American / Alaskan Native 0
Other 0
Age
75 to 84 19
85 and over 0
Less than 65 1
65 to 74 40

Average of Total of Conditions of Medicare patients treated by Dr. Daniel P. Cahill, PhD, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Daniel P. Cahill, PhD, MD treated were hypertension, high cholesterol, cancer and depression.

Hypertension 65
High Cholesterol 56
Stroke 26
Ischemic Heart Disease 31
Depression 33
Chronic Kidney Disease 29
Asthma 4
Osteoporosis 7
Heart Failure 14
Chronic Obstructive Pulmonary Disease 12
Diabetes 18
Atrial Fibrillation 8
Cancer 36
Dementia 10

Education & Training

Dr. Daniel P. Cahill, PhD, MD graduated from Johns Hopkins University School of Medicine. He completed residency at Massachusetts General Hospital. He is certified by the Neurological Surgery, American Board of Neurological Surgery and has a state license in Massachusetts.

Medical School: Johns Hopkins University School of Medicine

Residency: Massachusetts General Hospital

Board Certification: Neurological Surgery, American Board of Neurological Surgery

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Daniel P. Cahill, PhD, MD is associated with these hospitals and organizations:

Massachusetts General Hospital
Mass General Cancer Center: Neuro-Oncology

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Daniel P. Cahill, PhD, MD appears to accept the following insurance providers: Harvard Pilgrim Health Care, MultiPlan, Tufts Health Plan, United Healthcare, Aetna, TRICARE, Medicare, Medicaid, Humana, Railroad Medicare, Coventry, Cigna, Blue California, Beech Street, WellPoint, Medicare ACO, WellSense, Senior Whole Health, Fallon Health, Commonwealth Care Alliance, Blue Cross Blue Shield Medicare, Maine Community Health Options, Mass General Brigham Health Plan, MassHealth and WellSense NH.

Insurance Accepted by Provider includes:

According to our sources, Dr. Daniel P. Cahill, PhD, MD accepts the following insurance providers:

Harvard Pilgrim Health Care
MultiPlan
Tufts Health Plan
United Healthcare
Aetna
TRICARE
Medicare
Medicaid
Humana
Railroad Medicare
Coventry
Cigna
Blue California
Beech Street
WellPoint
Medicare ACO
WellSense
Senior Whole Health
Fallon Health
Commonwealth Care Alliance
Blue Cross Blue Shield Medicare
Maine Community Health Options
Mass General Brigham Health Plan
MassHealth
WellSense NH

Ratings & Reviews

Dr. Daniel P. Cahill, PhD, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 25 ratings. We collect ratings and reviews of Dr. Daniel P. Cahill, PhD, MD from all over the web to help you find the right in Boston, MA. 

5
Overall Rating
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General Payments

These charts describe general payments received by Dr. Daniel P. Cahill, PhD, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

Payments by Company
Merck Sharp & Dohme Corporation $25,059 NON-PRODUCT
$13,948 		TEMODAR
$521
$10,590
Servier Pharmaceuticals LLC $10,327
$10,327
Eli Lilly and Company $6,358
$6,358
Boston Scientific Corporation $5,100
$5,100
GlaxoSmithKline, LLC. $2,600
$2,600
Other $89 NON BRAND
$73 		ZEJULA
$16
Types of Payments
Consulting Fee $24,314
Travel and Lodging $13,536
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $11,375
Food and Beverage $308

Biography

Dr. Daniel Cahill sees patients in Boston, MA. His medical specialties are neurosurgery and neuro-oncology. He is a graduate of Johns Hopkins University School of Medicine. For his professional training, Dr. Cahill completed a residency program at Massachusetts General Hospital. In Dr. Cahill's practice, he is particularly interested in connective tissue disorders, sarcoma (bone and soft tissue cancer), and meningioma. His patients gave him an average rating of 5.0 stars (out of 5). He accepts Blue California, Coventry, and Viant, in addition to other insurance carriers. Dr. Cahill is affiliated with Massachusetts General Hospital.

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