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Home > NH Providers > Pediatric Orthopedists (Orthopedic Surgeons)

Payson P. Ayer-Dufner, PA, MPAS

(Payson Ayer-Dufner, MPAS, PA-C)

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Specializes in: Pediatric Orthopedics/Orthopedic Surgery and Orthopedics/Orthopedic Surgery

580 Court Street
Keene, NH 03431

(603) 354-5482

Payson P. Ayer-Dufner, PA, MPAS is in Keene, NH specializing in pediatric orthopedics/orthopedic surgery and orthopedics/orthopedic surgery. Payson P. Ayer-Dufner, PA, MPAS is affiliated with Dartmouth-Hitchcock Clinics, Cheshire Medical Center and Dartmouth Health.

Office Locations

580 Court Street
Keene, NH 03431

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Noteworthy Medicare Patient Procedures Performed by Payson P. Ayer-Dufner, PA, MPAS in 2023

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

Top 5%

By Volume:

carpal tunnel injection

By Affordability:

ligament injection

soft tissue injections

tendon sheath injection

In 2023, among providers in related specialties within New Hampshire, Payson P. Ayer-Dufner, PA, MPAS performed more carpal tunnel injection procedures for Medicare patients than 95% of them and he also had a list price for ligament injection, soft tissue injections, and tendon sheath injection that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

injections

In 2023, Payson P. Ayer-Dufner, PA, MPAS performed more injections procedures for Medicare patients than 90% of providers in related specialties within New Hampshire.

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2015 were injections and aspiration.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	88
doctor visit	327
injections	113

2015 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	244
Female	364

**Age**
From 65 to 74	260
From 75 to 84	176
85 and over	80
Less than 65	92

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2015

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2015 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	56
High Cholesterol	36
Stroke	4
Ischemic Heart Disease	24
Depression	29
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	21
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2016 were injections and aspiration.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	42
doctor visit	304
injections	155

2016 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	105
Female	173

**Ethnicity**
Non-Hispanic White	265
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	75
85 and over	40
Less than 65	62

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2016

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2016 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	52
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	28
Depression	35
Chronic Kidney Disease	22
Asthma	16
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	13
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2017 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	20
doctor visit	306
hospital care	15
injections	141
inpatient care	15

2017 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	95
Female	178

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

**Age**
From 65 to 74	118
From 75 to 84	72
85 and over	34
Less than 65	49

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2017

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2017 were hypertension, depression, high cholesterol and ischemic heart disease.

Hypertension	51
High Cholesterol	31
Stroke	4
Ischemic Heart Disease	23
Depression	31
Chronic Kidney Disease	18
Asthma	5
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2018 were injections, hospital care, inpatient care and aspiration.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	30
doctor visit	265
hospital care	39
injections	155
inpatient care	39

2018 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	101
Female	209

**Age**
From 65 to 74	113
From 75 to 84	80
85 and over	50
Less than 65	67

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2018

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2018 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	56
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	29
Depression	37
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2019 were injections, aspiration and emergency care.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	35
doctor visit	366
emergency care	12
injections	152

2019 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	141
Female	182

**Ethnicity**
Non-Hispanic White	309
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	88
85 and over	34
Less than 65	57

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2019

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2019 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	62
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	33
Depression	32
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	7
Cancer	6

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2020 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	26
doctor visit	321
hospital care	15
injections	116
inpatient care	15

2020 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	115
Female	180

**Ethnicity**
Non-Hispanic White	281
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	79
85 and over	26
Less than 65	55

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2020

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2020 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	51
High Cholesterol	36
Stroke	4
Ischemic Heart Disease	25
Depression	34
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	11
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2021 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	49
doctor visit	506
hospital care	14
injections	228
inpatient care	14

2021 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	146
Female	209

**Ethnicity**
Non-Hispanic White	335
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	98
85 and over	33
Less than 65	46

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2021

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2021 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	54
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	27
Depression	32
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2022 were injections and aspiration.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	13
doctor visit	399
injections	149

2022 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	141
Female	168

**Ethnicity**
Non-Hispanic White	289
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	104
85 and over	32
Less than 65	41

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2022

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2022 were hypertension, high cholesterol, depression and diabetes.

Hypertension	67
High Cholesterol	60
Stroke	8
Ischemic Heart Disease	20
Depression	26
Chronic Kidney Disease	15
Asthma	12
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	23
Dementia	4
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH during 2023 were injections, aspiration, hospital care and inpatient care.

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

aspiration	35
doctor visit	415
hospital care	12
injections	192
inpatient care	12

2023 Medicare Patient Data

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	118
Female	213

**Ethnicity**
Non-Hispanic White	303
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	106
85 and over	41
Less than 65	48

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2023

The most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated during 2023 were hypertension, high cholesterol, depression and diabetes.

Hypertension	63
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	18
Depression	29
Chronic Kidney Disease	14
Asthma	9
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	21
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2015 - 2023

Volume of procedures performed by Payson P. Ayer-Dufner, PA, MPAS for Medicare patients.

The highest averages for the top procedures that Payson P. Ayer-Dufner, PA, MPAS treated as in Keene, NH were injections, aspiration, hospital care and inpatient care.

aspiration	37
doctor visit	356
emergency care	12
hospital care	19
injections	155
inpatient care	19

Average Medicare Patient Data From 2015 - 2023

Information about Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS.

**Gender**
Male	134
Female	208

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	226
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	97
85 and over	41
Less than 65	57
65 to 74	146

Average of Total of Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS From 2015 - 2023

The highest averages of the most common conditions of Medicare patients that Payson P. Ayer-Dufner, PA, MPAS treated were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	56
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	25
Depression	31
Chronic Kidney Disease	19
Asthma	9
Osteoporosis	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Atrial Fibrillation	11
Cancer	8
Dementia	9

Education & Training

He is certified by the PA-C, Physician Assistant and has a state license in New Hampshire.

Board Certification: PA-C, Physician Assistant (2014)

Licensed In: New Hampshire

Affiliations & Hospitals

Payson P. Ayer-Dufner, PA, MPAS is associated with these hospitals and organizations:

Dartmouth-Hitchcock Clinics

Cheshire Medical Center

Dartmouth Health

Ratings & Reviews

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Biography

Mr. Payson Ayer-Dufner specializes in pediatric orthopedics/orthopedic surgery and practices in Keene, NH. He is affiliated with Dartmouth-Hitchcock Clinics and Cheshire Medical Center at Dartmouth-Hitchcock (D-H) Keene.

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Payson P. Ayer-Dufner, PA, MPAS

Office Locations

Noteworthy Medicare Patient Procedures Performed by Payson P. Ayer-Dufner, PA, MPAS in 2023

By Volume:

By Affordability:

By Volume:

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2015 - 2023

Average Medicare Patient Data From 2015 - 2023

Average of Total of Conditions of Medicare patients treated by Payson P. Ayer-Dufner, PA, MPAS From 2015 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

Other Providers in Keene, NH