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Home > MO Providers > Neurosurgeons

Dr. Terrence J. Ryan, MD

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Specializes in: Neurosurgery

University of Kansas School of Medicine

1605 E Broadway Suite 100
Columbia, MO 65201

(573) 815-4242

Dr. Terrence J. Ryan, MD is a neurosurgeon in Columbia, MO specializing in neurosurgery. He graduated from University of Kansas School of Medicine. Dr. Terrence J. Ryan, MD is affiliated with Mosaic Life Care.

Office Locations

1605 E Broadway Suite 100
Columbia, MO 65201

(573) 815-4242

(573) 815-4245

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Noteworthy Medicare Patient Procedures Performed by Dr. Terrence J. Ryan, MD in 2023

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

Top 25%

By Volume:

inpatient hospital care

By Affordability:

decompression surgery

decompressive lumbar laminectomy

lamina procedures

laminectomy

lumbar spine surgery

nerve decompression surgery

nerve procedures

nerve surgery

spinal decompression

spinal decompression surgery

spine surgery procedures

In 2012, among providers in related specialties within Missouri, Dr. Terrence J. Ryan, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for decompression surgery, decompressive lumbar laminectomy, lamina procedures, laminectomy, lumbar spine surgery, nerve decompression surgery, nerve procedures, nerve surgery, spinal decompression, spinal decompression surgery, and spine surgery procedures 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. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2012 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

cranial surgery	12
decompression surgery	33
doctor visit	668
excision	12
hospital care	288
implant surgery	12
inpatient care	288
nerve procedures	33
neurostimulator replacement	12
removal of lesion (e.g. growth)	12
spinal procedures	44

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2013 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

catheterization	12
decompression surgery	23
doctor visit	593
hospital care	295
implant surgery	16
inpatient care	295
nerve procedures	23
spinal procedures	35
tunneled epidural catheter repositioning	12
tunneled intrathecal catheter repositioning	12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	236
Female	301

**Ethnicity**
Non-Hispanic White	518
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	161
85 and over	59
Less than 65	140

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2013

Hypertension	70
High Cholesterol	51
Stroke	16
Ischemic Heart Disease	37
Depression	33
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2014 were hospital care, inpatient care, nerve procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

cranial surgery	11
decompression surgery	11
doctor visit	565
excision	11
hospital care	262
inpatient care	262
nerve procedures	11
removal of lesion (e.g. growth)	11
spinal procedures	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	232
Female	264

**Ethnicity**
Non-Hispanic White	481
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	153
85 and over	42
Less than 65	123

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2014

Hypertension	67
High Cholesterol	54
Stroke	17
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2015 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

decompression surgery	25
doctor visit	655
hospital care	195
inpatient care	195
nerve procedures	25
spinal procedures	25

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	494
Female	614

**Ethnicity**
Non-Hispanic White	1056
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	440
From 75 to 84	314
85 and over	104
Less than 65	250

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2015

Hypertension	70
High Cholesterol	53
Stroke	13
Ischemic Heart Disease	35
Depression	31
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2016 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

decompression surgery	45
doctor visit	660
hospital care	168
inpatient care	168
nerve procedures	45
open surgery	15
spinal procedures	30
upper extremity surgery	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	258
Female	297

**Ethnicity**
Non-Hispanic White	532
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	151
85 and over	57
Less than 65	107

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2016

Hypertension	71
High Cholesterol	51
Stroke	13
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	27
Asthma	21
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

doctor visit	562
hospital care	249
inpatient care	249

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	234
Female	303

**Ethnicity**
Non-Hispanic White	520
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	174
85 and over	58
Less than 65	86

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2017

Hypertension	69
High Cholesterol	50
Stroke	13
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	12
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2018 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

decompression surgery	17
doctor visit	595
hospital care	208
image guided procedures	14
inpatient care	208
nerve procedures	17
radiation therapy	14
spinal procedures	17

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	233
Female	306

**Ethnicity**
Non-Hispanic White	517
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	172
85 and over	51
Less than 65	95

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2018

Hypertension	74
High Cholesterol	60
Stroke	11
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

doctor visit	583
hospital care	155
inpatient care	155

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	216
Female	292

**Ethnicity**
Non-Hispanic White	485
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	157
85 and over	40
Less than 65	90

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2019

Hypertension	70
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	33
Depression	34
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

doctor visit	430
hospital care	207
inpatient care	207

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	179
Female	217

**Ethnicity**
Non-Hispanic White	380
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	124
85 and over	36
Less than 65	63

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2020

Hypertension	72
High Cholesterol	54
Stroke	12
Ischemic Heart Disease	31
Depression	30
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

doctor visit	430
hospital care	174
inpatient care	174

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	180
Female	200

**Ethnicity**
Non-Hispanic White	367
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	174
From 75 to 84	122
85 and over	38
Less than 65	46

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2021

Hypertension	73
High Cholesterol	56
Stroke	14
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

doctor visit	395
hospital care	180
inpatient care	180

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	184
Female	190

**Ethnicity**
Non-Hispanic White	359
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	126
85 and over	44
Less than 65	46

Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD in 2022

Hypertension	75
High Cholesterol	71
Stroke	27
Ischemic Heart Disease	32
Depression	23
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	16
Atrial Fibrilation	22
Heart Failure	18
Chronic Obstructive Pulmonary Disease	22
Diabetes	31
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Terrence J. Ryan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Terrence J. Ryan, MD treated as a neurosurgeon in Columbia, MO were inpatient care, hospital care, spinal procedures and nerve procedures.

catheterization	12
cranial surgery	11
decompression surgery	25
doctor visit	557
excision	11
hospital care	216
image guided procedures	14
implant surgery	14
inpatient care	216
nerve procedures	25
neurostimulator replacement	12
open surgery	15
radiation therapy	14
removal of lesion (e.g. growth)	11
spinal procedures	27
tunneled epidural catheter repositioning	12
tunneled intrathecal catheter repositioning	12
upper extremity surgery	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Terrence J. Ryan, MD.

**Gender**
Male	222
Female	271

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	0
Non-Hispanic White	474
Native American / Alaskan Native	0
Hispanic	0
Other	1

**Age**
75 to 84	150
85 and over	48
Less than 65	95
65 to 74	200

Average of Total of Conditions of Medicare patients treated by Dr. Terrence J. Ryan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Terrence J. Ryan, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	64
High Cholesterol	50
Stroke	13
Ischemic Heart Disease	31
Depression	28
Chronic Kidney Disease	23
Asthma	8
Osteoporosis	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Atrial Fibrillation	12
Dementia	11
Cancer	13

Education & Training

Dr. Terrence J. Ryan, MD graduated from University of Kansas School of Medicine. He completed residency at University of Missouri Health System. He is certified by the Certification: American Board of Neurological Surgery and has a state license in Missouri.

Medical School: University of Kansas School of Medicine

Residency: University of Missouri Health System

Board Certification: Certification: American Board of Neurological Surgery

Licensed In: Missouri

Affiliations & Hospitals

Dr. Terrence J. Ryan, MD is associated with these hospitals and organizations:

Mosaic Life Care

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$315 GENERAL - DBS $199	PAIN MANAGEMENT $116
GT Medical Technologies, Inc	$248 GammaTile $248
Baxter Healthcare	$120 FLOSEAL $120
Medtronic, Inc.	$114 ACTIVA $112	SYNCHROMED $1
Medtronic USA, Inc.	$96 ACTIVA $96
Other	$297 Deep Brain Neurostimulation $88	Streamline MIS II $52	Xultophy 100/3.6 $47	Spine $44	iFuse Implant $34	Other $31

**Types of Payments**
Food and Beverage	$1,189

Biography

Dr. Terrence Ryan, who practices in Columbia, MO, is a medical specialist in neurosurgery. He is professionally affiliated with Mosaic Life Care. Before performing his residency at the University of Missouri Health System, Dr. Ryan attended the University of Kansas School of Medicine and the University of Missouri-Kansas City School of Medicine.