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Home > NY Providers > Spine Surgeons

Dr. Ryan P. Denhaese, MD

(Dr. Ryan Peter Denhaese, M.D.)

(No ratings)

Specializes in: Spine Surgery and Neurosurgery

SUNY, University at Buffalo School of Medicine & Biomedical Sciences

2950 Elmwood Avenue
Kenmore, NY 14217

(716) 447-6100

Dr. Ryan P. Denhaese, MD is a spine surgeon in Williamsville, NY specializing in spine surgery and neurosurgery. He graduated from SUNY, University at Buffalo School of Medicine & Biomedical Sciences. Dr. Ryan P. Denhaese, MD is affiliated with Kenmore Mercy Hospital, Catholic Health System, Kaleida Health and AXIS NEUROSURGERY AND SPINE OF WNY PLLC.

Office Locations

Kaleida Health

19 Limestone Drive Suite 11
Williamsville, NY 14221

(716) 634-3500

(716) 634-3525

open_in_new

29 E Main Street
Fredonia, NY 14063

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Catholic Health System

2950 Elmwood Avenue
Kenmore, NY 14217

(716) 447-6100

open_in_new

535 Main Street 2nd Floor
Olean, NY 14760

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2012 were spinal procedures, X-rays and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

arthrodesis (bone fusion surgery)	11
doctor visit	57
spinal procedures	27
X-rays	16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2013 were X-rays and spinal procedures.

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

doctor visit	58
spinal procedures	22
X-rays	22

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	40
Female	43

**Age**
From 65 to 74	35
From 75 to 84	0
85 and over	0
Less than 65	27

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2013

Hypertension	75
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	35
Depression	39
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	19
Diabetes	45
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

doctor visit	14

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Ethnicity**
Non-Hispanic White	23
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2014

Hypertension	65
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	0
Depression	0
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. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2015 were spinal procedures, nerve procedures, decompression surgery and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

arthrodesis (bone fusion surgery)	11
decompression surgery	20
doctor visit	101
nerve procedures	20
spinal procedures	56

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	72
Female	98

**Age**
From 65 to 74	64
From 75 to 84	0
85 and over	0
Less than 65	54

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2015

Hypertension	72
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	28
Depression	31
Chronic Kidney Disease	29
Asthma	20
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	18
Diabetes	40
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2016 were spinal procedures, nerve procedures, decompression surgery and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

arthrodesis (bone fusion surgery)	13
decompression surgery	17
doctor visit	92
nerve procedures	17
spinal procedures	59

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	31
Female	51

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	24

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	24
Depression	37
Chronic Kidney Disease	35
Asthma	32
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2017 were spinal procedures, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

decompression surgery	12
doctor visit	65
nerve procedures	12
spinal procedures	24

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	33
Female	37

**Age**
From 65 to 74	23
From 75 to 84	30
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	31
Depression	29
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	26
Diabetes	27
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2018 were neck surgery, spinal procedures, arthrodesis (bone fusion surgery) and nerve procedures.

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

arthrodesis (bone fusion surgery)	15
bone surgery	13
decompression surgery	13
doctor visit	66
neck surgery	28
nerve procedures	13
spinal procedures	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	25
Female	39

**Age**
From 65 to 74	33
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2018

Hypertension	70
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	28
Depression	50
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	20
Diabetes	20
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2019 were spinal procedures and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

arthrodesis (bone fusion surgery)	13
doctor visit	73
spinal procedures	39

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	41
Female	32

**Age**
From 65 to 74	38
From 75 to 84	0
85 and over	0
Less than 65	20

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2019

Hypertension	68
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	26
Depression	37
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	25
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

doctor visit	43

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	19
Female	27

**Age**
From 65 to 74	23
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2020

Hypertension	61
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	24
Depression	26
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2021 were spinal procedures and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

arthrodesis (bone fusion surgery)	15
doctor visit	54
spinal procedures	39

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	26
Female	40

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	18

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2021

Hypertension	71
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	30
Depression	26
Chronic Kidney Disease	26
Asthma	17
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	21
Diabetes	21
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY during 2022 were spinal procedures and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

arthrodesis (bone fusion surgery)	21
doctor visit	46
spinal procedures	50

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	21
Female	35

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

Conditions of Medicare patients treated by Dr. Ryan P. Denhaese, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	20
Depression	34
Chronic Kidney Disease	23
Asthma	23
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ryan P. Denhaese, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ryan P. Denhaese, MD treated as a spine surgeon in Williamsville, NY were spinal procedures, neck surgery, X-rays and nerve procedures.

arthrodesis (bone fusion surgery)	14
bone surgery	13
decompression surgery	15
doctor visit	60
neck surgery	28
nerve procedures	15
spinal procedures	38
X-rays	19

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ryan P. Denhaese, MD.

**Gender**
Male	28
Female	36

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	2
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	2
85 and over	0
Less than 65	16
65 to 74	29

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

The highest averages of the most common conditions of Medicare patients that Dr. Ryan P. Denhaese, MD treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	64
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	22
Depression	28
Chronic Kidney Disease	21
Asthma	8
Osteoporosis	1
Heart Failure	5
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Atrial Fibrillation	1
Dementia	0
Cancer	0

Education & Training

Dr. Ryan P. Denhaese, MD graduated from SUNY, University at Buffalo School of Medicine & Biomedical Sciences. He completed residency at University of Maryland Affiliated Hospitals. He has a state license in New York.

Medical School: SUNY, University at Buffalo School of Medicine & Biomedical Sciences

Residency: University of Maryland Affiliated Hospitals

Licensed In: New York

Affiliations & Hospitals

Dr. Ryan P. Denhaese, MD is associated with these hospitals and organizations:

Kenmore Mercy Hospital

Catholic Health System

Kaleida Health

AXIS NEUROSURGERY AND SPINE OF WNY PLLC

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General Payments

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

**Payments by Company**
Zimmer Biomet Holdings, Inc.	$2,432,844 Timberline $944,255	Spine $686,883	Alpine XC $283,610	Alta $272,689	Durango $189,091	Other $56,316
CoreLink, LLC	$1,117,059 $1,117,059
BIOMET SPINE, LLC	$918,834 Spine $918,748	BSBHT - SPINE $87
Lanx, Inc.	$525,811 Spinal Fusion Device $525,811
Stryker Corporation	$144,632 RAVINE Lateral Access System $74,319	Lateral Access Spinal System $24,869	ES2 $15,572	CASCADIA $13,038	CAYMAN $10,623	Other $6,212
Other	$215,072 MAP3 Cellular Allogeneic Bone Graft $29,888	Streamline MIS $22,702	General K2M Product Discussion $16,628	MIS Pedicle Screw $16,500	Spine $14,053	Other $115,301

**Types of Payments**
Royalty or License	$2,829,150
Consulting Fee	$2,237,065
Travel and Lodging	$235,019
Food and Beverage	$51,303
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$1,363
Other	$351

Research Payments

Dr. Ryan P. Denhaese, MD has received 23 research payments totaling $120,789.

Biography

Dr. Ryan Denhaese's areas of specialization are spine surgery and neurosurgery; he sees patients in Williamsville, NY, Kenmore, NY, and Fredonia, NY. Dr. Denhaese is a graduate of SUNY, University at Buffalo School of Medicine & Biomedical Sciences. He completed his residency training at a hospital affiliated with the University of Maryland. He is professionally affiliated with Kenmore Mercy Hospital and Kaleida Health.