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Dr. Harold Avon Doll JR., MD

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Specializes in: Adult Nephrology

Oral Roberts University School of Medicine (1985)

Professional interests include: hypertension (high blood pressure)

1609 Physicians Drive
Tallahassee, FL 32308

(850) 878-1171

Dr. Harold Avon Doll JR., MD is a nephrologist in Tallahassee, FL specializing in adult nephrology. He graduated from Oral Roberts University School of Medicine in 1985 and has 41 years of experience. Dr. Harold Avon Doll JR., MD is affiliated with HCA Florida Healthcare, Tallahassee Memorial Healthcare and HCA Florida Capital Hospital.

Office Locations

1609 Physicians Drive
Tallahassee, FL 32308

(850) 878-1171

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2617 Mitcham Drive Suite 102
Tallahassee, FL 32308

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Noteworthy Medicare Patient Procedures Performed by Dr. Harold Avon Doll JR., MD in 2024

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

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Harold Avon Doll JR., MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Florida. 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. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2012 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	352
doctor visit	177
hospital care	428
inpatient care	428

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2013 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	264
doctor visit	159
hospital care	359
inpatient care	359
lab tests	22

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	202
Female	197

**Ethnicity**
Non-Hispanic White	0
Black	239
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	81
85 and over	30
Less than 65	167

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2013

Hypertension	75
High Cholesterol	63
Stroke	11
Ischemic Heart Disease	58
Depression	21
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	61
Chronic Obstructive Pulmonary Disease	24
Diabetes	67
Dementia	17
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2014 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	315
doctor visit	146
hemofiltration	30
hospital care	453
inpatient care	453

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	221
Female	210

**Ethnicity**
Non-Hispanic White	182
Black	235
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	100
85 and over	28
Less than 65	168

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2014

Hypertension	75
High Cholesterol	71
Stroke	12
Ischemic Heart Disease	65
Depression	26
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	61
Chronic Obstructive Pulmonary Disease	29
Diabetes	73
Dementia	17
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2015 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	433
doctor visit	231
hemofiltration	36
hospital care	411
inpatient care	411

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	522
Female	476

**Ethnicity**
Non-Hispanic White	442
Black	508
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	218
85 and over	82
Less than 65	396

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	58
Depression	28
Chronic Kidney Disease	75
Asthma	21
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	55
Chronic Obstructive Pulmonary Disease	30
Diabetes	70
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2016 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	480
doctor visit	228
hemofiltration	54
hospital care	447
inpatient care	447

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	268
Female	247

**Ethnicity**
Non-Hispanic White	227
Black	271
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	103
85 and over	53
Less than 65	210

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	57
Depression	28
Chronic Kidney Disease	75
Asthma	33
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	58
Chronic Obstructive Pulmonary Disease	30
Diabetes	68
Dementia	19
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2017 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	396
doctor visit	257
hemofiltration	30
hospital care	353
inpatient care	353

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	256
Female	239

**Ethnicity**
Non-Hispanic White	214
Black	259
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	110
85 and over	42
Less than 65	186

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	60
Depression	28
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	6
Atrial Fibrilation	18
Heart Failure	58
Chronic Obstructive Pulmonary Disease	30
Diabetes	67
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2018 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	359
doctor visit	289
hospital care	379
inpatient care	379

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	264
Female	249

**Ethnicity**
Non-Hispanic White	226
Black	266
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	125
85 and over	47
Less than 65	194

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	58
Depression	29
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	58
Chronic Obstructive Pulmonary Disease	30
Diabetes	66
Dementia	20
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2019 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	231
doctor visit	235
hospital care	487
inpatient care	487

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	271
Female	228

**Ethnicity**
Non-Hispanic White	223
Black	253
Hispanic	12
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	125
85 and over	51
Less than 65	157

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	13
Ischemic Heart Disease	62
Depression	27
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	60
Chronic Obstructive Pulmonary Disease	29
Diabetes	68
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2020 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	106
doctor visit	205
hospital care	627
inpatient care	627

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	272
Female	226

**Ethnicity**
Non-Hispanic White	244
Black	230
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	136
85 and over	51
Less than 65	144

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	68
Depression	31
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	60
Chronic Obstructive Pulmonary Disease	29
Diabetes	66
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2021 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	87
doctor visit	193
hospital care	501
inpatient care	501

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	242
Female	194

**Ethnicity**
Non-Hispanic White	220
Black	193
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	136
85 and over	50
Less than 65	112

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2021

Hypertension	75
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	64
Depression	26
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	59
Chronic Obstructive Pulmonary Disease	25
Diabetes	68
Dementia	21
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2022 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

dialysis	52
doctor visit	159
hospital care	411
inpatient care	411

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	205
Female	160

**Ethnicity**
Non-Hispanic White	189
Black	160
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	116
85 and over	42
Less than 65	85

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	52
Depression	32
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	10
Atrial Fibrilation	36
Heart Failure	56
Chronic Obstructive Pulmonary Disease	32
Diabetes	69
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

doctor visit	184
hospital care	414
inpatient care	414

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	203
Female	148

**Ethnicity**
Non-Hispanic White	188
Black	144
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	115
85 and over	44
Less than 65	88

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	49
Depression	29
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	14
Atrial Fibrilation	32
Heart Failure	54
Chronic Obstructive Pulmonary Disease	29
Diabetes	64
Dementia	15
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

doctor visit	210
hospital care	171
inpatient care	171

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	158
Female	126

**Ethnicity**
Non-Hispanic White	160
Black	113
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	101
85 and over	42
Less than 65	59

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	48
Depression	28
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	15
Atrial Fibrilation	33
Heart Failure	51
Chronic Obstructive Pulmonary Disease	27
Diabetes	62
Dementia	12
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Harold Avon Doll JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. Harold Avon Doll JR., MD treated as a nephrologist in Tallahassee, FL were hospital care, inpatient care, dialysis and hemofiltration.

dialysis	279
doctor visit	205
hemofiltration	37
hospital care	418
inpatient care	418
lab tests	22

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Harold Avon Doll JR., MD.

**Gender**
Male	237
Female	207

**Ethnicity**
Black / African American	220
Asian / Pacific Islander	0
Non-Hispanic White	193
Native American / Alaskan Native	0
Hispanic	2
Other	0

**Age**
75 to 84	112
85 and over	43
Less than 65	151
65 to 74	137

Average of Total of Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Harold Avon Doll JR., MD treated were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	69
High Cholesterol	64
Stroke	11
Ischemic Heart Disease	53
Depression	25
Chronic Kidney Disease	69
Asthma	11
Osteoporosis	8
Heart Failure	53
Chronic Obstructive Pulmonary Disease	26
Diabetes	62
Atrial Fibrillation	19
Cancer	11
Dementia	16

Education & Training

Dr. Harold Avon Doll JR., MD graduated from Oral Roberts University School of Medicine in 1985. He completed residency at University of Florida Health Science Center and Affiliated Hospitals. He is certified by the American Board of Internal Medicine (Nephrology) and has a state license in Florida.

Medical School: Oral Roberts University School of Medicine (1985)

Residency: University of Florida Health Science Center and Affiliated Hospitals

Board Certification: American Board of Internal Medicine (Nephrology)

Licensed In: Florida

Affiliations & Hospitals

Dr. Harold Avon Doll JR., MD is associated with these hospitals and organizations:

HCA Florida Healthcare

Tallahassee Memorial Healthcare

HCA Florida Capital Hospital

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Harold Avon Doll JR., MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$119 ELIQUIS $119
Bayer HealthCare Pharmaceuticals Inc.	$117 Kerendia $117
Amgen Inc.	$116 Parsabiv $103	Sensipar $14
Questcor Pharmaceuticals	$104 ACTHAR- NEPH $97	ACTHAR $7
Aurinia Pharma U.S., Inc.	$36 LUPKYNIS $36
Other	$83 SOLIRIS $33	Auryxia $23	WATCHMAN $14	Velphoro $13

**Types of Payments**
Food and Beverage	$539
Education	$36

Biography

Dr. Harold Doll is a physician who specializes in adult nephrology. Areas of expertise for Dr. Doll include hypertension (high blood pressure). After attending Oral Roberts University School of Medicine, he completed his residency training at a hospital affiliated with the University of Florida Health Science Center. His professional affiliations include Tallahassee Memorial Healthcare and HCA Florida Healthcare.

Select Year:

Dr. Harold Avon Doll JR., MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Harold Avon Doll JR., MD in 2024

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Harold Avon Doll JR., MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Tallahassee, FL