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Dr. Joanna Blake Tyzack, MD

(Dr. Joanna B. Tyzack, MD)

(No ratings)

Specializes in: Adult Endocrinology
Medical University of South Carolina College of Medicine (1988)
1 Texas Station Court Suite 300
Lutherville Timonium, MD 21093

Dr. Joanna Blake Tyzack, MD is an endocrinologist in Lutherville Timonium, MD specializing in adult endocrinology. She graduated from Medical University of South Carolina College of Medicine in 1988 and has 38 years of experience. Dr. Joanna Blake Tyzack, MD is affiliated with University of Maryland Medical System, GBMC Healthcare and PRIVIA MEDICAL GROUP LLC.

View Doctor's Full Profile (410) 828-7417

Office Locations

1 Texas Station Court Suite 300
Lutherville Timonium, MD 21093
open_in_new

University of Maryland Medical System

6535 North Charles Street
Towson, MD 21204
(410) 828-7417
(410) 828-4695
open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Joanna Blake Tyzack, MD in 2023

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

Top 10%

By Volume:

A1C test
diabetes management

In 2023, Dr. Joanna Blake Tyzack, MD performed more A1C test, and diabetes management procedures for Medicare patients than 90% of providers in related specialties within Maryland.

Top 25%

By Volume:

blood draw
central DEXA
finger stick glucose test
lab tests
neck ultrasound
phlebotomy for lab tests
ultrasound

By Affordability:

blood draw
blood draw for lab tests
blood glucose self-monitoring
blood glucose tests
blood tests
finger stick glucose test
glucose monitoring
glucose tests
hospital care
inpatient care
inpatient hospital care
lab tests
peripheral DEXA
phlebotomy for lab tests
venipuncture

In 2013, among providers in related specialties within Maryland, Dr. Joanna Blake Tyzack, MD performed more blood draw, central DEXA, finger stick glucose test, lab tests, neck ultrasound, phlebotomy for lab tests, and ultrasound (sonogram) procedures for Medicare patients than 75% of them and she also had a list price for blood draw, blood draw for lab tests, blood glucose self-monitoring, blood glucose tests, blood tests, finger stick glucose test, glucose monitoring, glucose tests, hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), lab tests, peripheral DEXA, phlebotomy for lab tests, and venipuncture (phlebotomy) 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

2013 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2013 were lab tests, preventive care, thyroid function tests and diabetes management.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 439
diabetes management 454
doctor visit 948
hospital care 196
inpatient care 196
lab tests 2077
musculoskeletal imaging 106
neck imaging 124
preventive care 1151
thyroid function tests 566
ultrasound (sonogram) 124
vaccines 31
X-rays 106

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 143
Female 450
Ethnicity
Non-Hispanic White 509
Black 65
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 276
From 75 to 84 190
85 and over 65
Less than 65 62

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2013

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2013 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension 68
High Cholesterol 63
Stroke 6
Ischemic Heart Disease 36
Depression 23
Chronic Kidney Disease 27
Asthma 10
Osteoperosis 29
Atrial Fibrilation 13
Heart Failure 19
Chronic Obstructive Pulmonary Disease 14
Diabetes 55
Dementia 10
Cancer 11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2014 were lab tests, preventive care, thyroid function tests and diabetes management.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 416
diabetes management 494
doctor visit 978
hospital care 102
inpatient care 102
lab tests 2092
musculoskeletal imaging 136
neck imaging 118
preventive care 1197
thyroid function tests 593
ultrasound (sonogram) 118
vaccines 43
X-rays 136

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 137
Female 426
Ethnicity
Non-Hispanic White 484
Black 56
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 280
From 75 to 84 172
85 and over 55
Less than 65 56

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2014

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2014 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension 67
High Cholesterol 65
Stroke 6
Ischemic Heart Disease 37
Depression 18
Chronic Kidney Disease 21
Asthma 9
Osteoperosis 27
Atrial Fibrilation 10
Heart Failure 16
Chronic Obstructive Pulmonary Disease 11
Diabetes 51
Dementia 8
Cancer 11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2015 were lab tests, preventive care, thyroid function tests and diabetes management.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 516
diabetes management 606
doctor visit 1143
hospital care 123
inpatient care 123
lab tests 2864
musculoskeletal imaging 146
neck imaging 128
preventive care 1489
thyroid function tests 830
ultrasound (sonogram) 128
vaccines 31
X-rays 146

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 306
Female 972
Ethnicity
Non-Hispanic White 1112
Black 106
Hispanic 0
Asian 0
Other 22
Native American 0
Age
From 65 to 74 624
From 75 to 84 402
85 and over 134
Less than 65 118

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2015

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2015 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension 69
High Cholesterol 66
Stroke 5
Ischemic Heart Disease 33
Depression 21
Chronic Kidney Disease 26
Asthma 12
Osteoperosis 27
Atrial Fibrilation 10
Heart Failure 15
Chronic Obstructive Pulmonary Disease 11
Diabetes 50
Dementia 9
Cancer 11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2016 were lab tests, preventive care, thyroid function tests and diabetes management.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 518
diabetes management 662
doctor visit 1211
hospital care 63
inpatient care 63
lab tests 3022
musculoskeletal imaging 148
neck imaging 144
preventive care 1597
thyroid function tests 817
ultrasound (sonogram) 144
vaccines 44
X-rays 148

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 162
Female 477
Ethnicity
Non-Hispanic White 555
Black 51
Hispanic 0
Asian 0
Other 15
Native American 0
Age
From 65 to 74 332
From 75 to 84 206
85 and over 61
Less than 65 40

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2016

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2016 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension 68
High Cholesterol 67
Stroke 4
Ischemic Heart Disease 35
Depression 20
Chronic Kidney Disease 41
Asthma 14
Osteoperosis 27
Atrial Fibrilation 12
Heart Failure 16
Chronic Obstructive Pulmonary Disease 9
Diabetes 49
Dementia 9
Cancer 13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2017 were lab tests, preventive care, thyroid function tests and diabetes management.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 558
diabetes management 660
doctor visit 1240
hospital care 99
inpatient care 99
lab tests 3116
musculoskeletal imaging 166
neck imaging 176
preventive care 1574
thyroid function tests 869
ultrasound (sonogram) 176
vaccines 35
X-rays 166

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 165
Female 537
Ethnicity
Non-Hispanic White 600
Black 59
Hispanic 0
Asian 0
Other 24
Native American 0
Age
From 65 to 74 378
From 75 to 84 208
85 and over 65
Less than 65 51

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2017

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2017 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension 67
High Cholesterol 58
Stroke 4
Ischemic Heart Disease 34
Depression 21
Chronic Kidney Disease 40
Asthma 8
Osteoperosis 26
Atrial Fibrilation 12
Heart Failure 16
Chronic Obstructive Pulmonary Disease 13
Diabetes 46
Dementia 10
Cancer 11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2018 were lab tests, diabetes management, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 542
diabetes management 1291
doctor visit 1219
hospital care 52
inpatient care 52
lab tests 3338
musculoskeletal imaging 167
neck imaging 142
preventive care 1049
thyroid function tests 782
ultrasound (sonogram) 142
vaccines 23
X-rays 167

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 150
Female 536
Ethnicity
Non-Hispanic White 0
Black 58
Hispanic 0
Asian 0
Other 29
Native American 0
Age
From 65 to 74 365
From 75 to 84 220
85 and over 57
Less than 65 44

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2018

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2018 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension 67
High Cholesterol 69
Stroke 5
Ischemic Heart Disease 34
Depression 20
Chronic Kidney Disease 43
Asthma 7
Osteoperosis 27
Atrial Fibrilation 9
Heart Failure 14
Chronic Obstructive Pulmonary Disease 9
Diabetes 46
Dementia 7
Cancer 10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2019 were lab tests, diabetes management, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 549
diabetes management 1401
doctor visit 1315
hospital care 57
inpatient care 57
lab tests 3547
musculoskeletal imaging 210
neck imaging 167
preventive care 1040
thyroid function tests 830
ultrasound (sonogram) 167
vaccines 24
X-rays 210

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 166
Female 0
Ethnicity
Non-Hispanic White 660
Black 56
Hispanic 0
Asian 0
Other 33
Native American 0
Age
From 65 to 74 396
From 75 to 84 268
85 and over 62
Less than 65 45

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2019

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2019 were high cholesterol, hypertension, chronic kidney disease and diabetes.

Hypertension 67
High Cholesterol 68
Stroke 5
Ischemic Heart Disease 31
Depression 19
Chronic Kidney Disease 44
Asthma 7
Osteoperosis 32
Atrial Fibrilation 8
Heart Failure 13
Chronic Obstructive Pulmonary Disease 9
Diabetes 44
Dementia 7
Cancer 12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2020 were lab tests, diabetes management, thyroid function tests and preventive care.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 353
diabetes management 648
doctor visit 1076
hospital care 86
inpatient care 86
lab tests 2175
musculoskeletal imaging 212
neck imaging 208
preventive care 551
thyroid function tests 613
ultrasound (sonogram) 208
vaccines 20
X-rays 212

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 165
Female 625
Ethnicity
Non-Hispanic White 666
Black 68
Hispanic 0
Asian 0
Other 34
Native American 0
Age
From 65 to 74 403
From 75 to 84 284
85 and over 63
Less than 65 40

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2020

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2020 were high cholesterol, hypertension, chronic kidney disease and diabetes.

Hypertension 65
High Cholesterol 66
Stroke 3
Ischemic Heart Disease 34
Depression 21
Chronic Kidney Disease 42
Asthma 7
Osteoperosis 30
Atrial Fibrilation 10
Heart Failure 12
Chronic Obstructive Pulmonary Disease 7
Diabetes 42
Dementia 8
Cancer 11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2021 were lab tests, diabetes management, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 382
diabetes management 1012
doctor visit 1259
hospital care 105
inpatient care 105
lab tests 2364
musculoskeletal imaging 258
neck imaging 236
preventive care 687
thyroid function tests 542
ultrasound (sonogram) 236
X-rays 258

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 168
Female 669
Ethnicity
Non-Hispanic White 697
Black 77
Hispanic 0
Asian 0
Other 40
Native American 0
Age
From 65 to 74 418
From 75 to 84 308
85 and over 64
Less than 65 47

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2021

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2021 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension 66
High Cholesterol 69
Stroke 5
Ischemic Heart Disease 31
Depression 21
Chronic Kidney Disease 41
Asthma 7
Osteoperosis 31
Atrial Fibrilation 8
Heart Failure 12
Chronic Obstructive Pulmonary Disease 7
Diabetes 42
Dementia 10
Cancer 11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2022 were lab tests, diabetes management, preventive care and blood draw.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 597
diabetes management 1257
doctor visit 1345
hospital care 79
inpatient care 79
lab tests 1257
musculoskeletal imaging 283
neck imaging 239
preventive care 614
ultrasound (sonogram) 239
X-rays 283

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 174
Female 688
Ethnicity
Non-Hispanic White 725
Black 71
Hispanic 0
Asian 0
Other 45
Native American 0
Age
From 65 to 74 422
From 75 to 84 326
85 and over 73
Less than 65 41

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2022

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2022 were high cholesterol, hypertension, diabetes and osteoperosis.

Hypertension 69
High Cholesterol 75
Stroke 9
Ischemic Heart Disease 24
Depression 21
Chronic Kidney Disease 22
Asthma 10
Osteoperosis 39
Atrial Fibrilation 14
Heart Failure 11
Chronic Obstructive Pulmonary Disease 10
Diabetes 42
Dementia 5
Cancer 15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD during 2023 were lab tests, diabetes management, blood draw and preventive care.

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

blood draw 587
diabetes management 1168
doctor visit 1262
hospital care 52
inpatient care 52
lab tests 1168
musculoskeletal imaging 272
neck imaging 231
preventive care 575
ultrasound (sonogram) 231
X-rays 272

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 153
Female 696
Ethnicity
Non-Hispanic White 719
Black 69
Hispanic 11
Asian 11
Other 39
Native American 0
Age
From 65 to 74 405
From 75 to 84 332
85 and over 80
Less than 65 32

Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD in 2023

The most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated during 2023 were high cholesterol, hypertension, osteoperosis and diabetes.

Hypertension 70
High Cholesterol 75
Stroke 8
Ischemic Heart Disease 23
Depression 19
Chronic Kidney Disease 21
Asthma 9
Osteoperosis 43
Atrial Fibrilation 14
Heart Failure 9
Chronic Obstructive Pulmonary Disease 11
Diabetes 39
Dementia 5
Cancer 15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Joanna Blake Tyzack, MD for Medicare patients.

The highest averages for the top procedures that Dr. Joanna Blake Tyzack, MD treated as an endocrinologist in Lutherville Timonium, MD were lab tests, preventive care, diabetes management and thyroid function tests.

blood draw 496
diabetes management 877
doctor visit 1181
hospital care 92
inpatient care 92
lab tests 2456
musculoskeletal imaging 191
neck imaging 173
preventive care 1047
thyroid function tests 715
ultrasound (sonogram) 173
vaccines 31
X-rays 191

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Joanna Blake Tyzack, MD.

Gender
Male 171
Female 552
Ethnicity
Black / African American 66
Asian / Pacific Islander 1
Non-Hispanic White 611
Native American / Alaskan Native 0
Hispanic 1
Other 25
Age
75 to 84 265
85 and over 70
Less than 65 52
65 to 74 390

Average of Total of Conditions of Medicare patients treated by Dr. Joanna Blake Tyzack, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Joanna Blake Tyzack, MD treated were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension 67
High Cholesterol 67
Stroke 5
Ischemic Heart Disease 32
Depression 20
Chronic Kidney Disease 33
Asthma 9
Osteoporosis 30
Heart Failure 13
Chronic Obstructive Pulmonary Disease 10
Diabetes 46
Atrial Fibrillation 10
Cancer 11
Dementia 8

Education & Training

Dr. Joanna Blake Tyzack, MD graduated from Medical University of South Carolina College of Medicine in 1988. She completed residency at University of Maryland Medical Center. She is certified by the American Board of Internal Medicine - Endocrinology Diabetes and Metabolism and has a state license in Maryland.

Medical School: Medical University of South Carolina College of Medicine (1988)

Residency: University of Maryland Medical Center (1991)

Board Certification: American Board of Internal Medicine - Endocrinology Diabetes and Metabolism (1993)

Licensed In: Maryland

Affiliations & Hospitals

Dr. Joanna Blake Tyzack, MD is associated with these hospitals and organizations:

University of Maryland Medical System
GBMC Healthcare
PRIVIA MEDICAL GROUP LLC

Ratings & Reviews

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General Payments

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

Payments by Company
Medtronic MiniMed, Inc. $1,956 Minimed 530G
$1,551 		iPro2
$139 		Minimed 670G System
$136 		Minimed 630G
$39 		MiniMed Connect
$38 		Other
$54
Novo Nordisk Inc $783 Tresiba
$129 		RYBELSUS
$114 		Ozempic
$112 		Xultophy 100/3.6
$111 		Victoza
$95 		Other
$223
Amgen Inc. $591 Prolia
$399 		Repatha
$159
$33
SANOFI-AVENTIS U.S. LLC $478 TOUJEO
$271 		SOLIQUA 100/33
$92 		THYROGEN
$26 		TZIELD
$24 		PRALUENT
$21 		Other
$44
AbbVie, Inc. $428 Synthroid
$284 		Androgel
$144
Other $6,477 Omnipod
$375 		PRIMLEV
$308 		AFREZZA
$273 		Tymlos
$215 		DEXCOM G6 TRANSMITTER
$193 		Other
$5,114
Types of Payments
Food and Beverage $9,234
Travel and Lodging $1,345
Gift $59
Education $48
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $25

Biography

Dr. Joanna Tyzack specializes in adult endocrinology and practices in Towson, MD and Timonium, MD. Dr. Tyzack obtained her medical school training at Medical University of South Carolina College of Medicine and performed her residency at the University of Maryland Medical Center. Her professional affiliations include the University of Maryland Medical System and GBMC Healthcare.

Other Providers in Lutherville Timonium, MD