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Dr. Johanna D. Larrazabal, MD

Accepting New Patients

(364 Ratings)

Specializes in: General Internal Medicine

1500 Commonwealth Avenue
Williamsburg, VA 23185

(757) 585-2250

Dr. Johanna D. Larrazabal, MD is a general internist in WILLIAMSBURG, VA specializing in general internal medicine. Dr. Johanna D. Larrazabal, MD is affiliated with Riverside Health.

Office Locations

5231 JOHN TYLER HIGHWAY
WILLIAMSBURG, VA 23185

open_in_new

Riverside Health

1500 Commonwealth Avenue
Williamsburg, VA 23185

(757) 585-2250

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Noteworthy Medicare Patient Procedures Performed by Dr. Johanna D. Larrazabal, MD in 2023

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

Top 5%

By Volume:

lab tests

By Affordability:

screening PSA test

susceptibility testing

urine culture

In 2023, among providers in related specialties within Virginia, Dr. Johanna D. Larrazabal, MD performed more lab tests procedures for Medicare patients than 95% of them and she also had a list price for screening PSA test, susceptibility testing, and urine culture 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:

preventive care

By Affordability:

C-reactive protein testing

In 2023, among providers in related specialties within Virginia, Dr. Johanna D. Larrazabal, MD performed more preventive care procedures for Medicare patients than 90% of them and she also had a list price for C-reactive protein testing, influenza tests, prostate screening, rapid flu test, and sed rate (ESR) that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

hepatitis C antibody screening

lipid profile

phlebotomy for lab tests

thyroid blood test

By Affordability:

cholesterol screening

lipid profile

magnesium test

metabolic panel

phosphorus blood test

phosphorus test

prostate-specific antigen test

thyroid blood test

thyroid function tests

In 2012, among providers in related specialties within Virginia, Dr. Johanna D. Larrazabal, MD performed more A1C test, blood draw, complete blood count (CBC), flu shot, hepatitis C antibody screening, lipid profile, phlebotomy for lab tests, and thyroid blood test procedures for Medicare patients than 75% of them and she also had a list price for cholesterol screening, lipid profile, magnesium test, metabolic panel, phosphorus blood test, phosphorus test, prostate-specific antigen (PSA) test, thyroid blood test, thyroid function tests, total PSA test, uric acid blood test, uric acid test, vitamin B12 test, and vitamin D test 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. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2012 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	126
diabetes management	26
doctor visit	232
hospital care	219
inpatient care	219
lab tests	260
preventive care	72
thyroid function tests	20

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

hospital care	630
inpatient care	606
outpatient care	24

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	170
Female	209

**Ethnicity**
Non-Hispanic White	254
Black	112
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	119
85 and over	73
Less than 65	68

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2013

Hypertension	75
High Cholesterol	72
Stroke	20
Ischemic Heart Disease	57
Depression	40
Chronic Kidney Disease	65
Asthma	16
Osteoperosis	14
Atrial Fibrilation	30
Heart Failure	53
Chronic Obstructive Pulmonary Disease	35
Diabetes	51
Dementia	31
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2014 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

hospital care	696
inpatient care	684
outpatient care	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	190
Female	221

**Ethnicity**
Non-Hispanic White	285
Black	114
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	133
85 and over	94
Less than 65	69

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	21
Ischemic Heart Disease	57
Depression	41
Chronic Kidney Disease	66
Asthma	15
Osteoperosis	10
Atrial Fibrilation	33
Heart Failure	55
Chronic Obstructive Pulmonary Disease	34
Diabetes	48
Dementia	32
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2015 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	81
diabetes management	15
doctor visit	172
hospital care	364
inpatient care	364
lab tests	247
preventive care	78
thyroid function tests	22
vaccines	15

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	276
Female	350

**Ethnicity**
Non-Hispanic White	478
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	196
85 and over	154
Less than 65	80

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	13
Ischemic Heart Disease	50
Depression	31
Chronic Kidney Disease	50
Asthma	19
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	42
Chronic Obstructive Pulmonary Disease	30
Diabetes	41
Dementia	30
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2016 were lab tests, blood draw, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	279
diabetes management	51
doctor visit	760
lab tests	1127
preventive care	251
thyroid function tests	175
vaccines	48

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	89
Female	179

**Ethnicity**
Non-Hispanic White	227
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	78
85 and over	31
Less than 65	35

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2016

Hypertension	65
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	29
Depression	24
Chronic Kidney Disease	21
Asthma	18
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2017 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	540
diabetes management	240
doctor visit	1507
lab tests	3031
preventive care	872
thyroid function tests	403
vaccines	158

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	142
Female	340

**Ethnicity**
Non-Hispanic White	399
Black	61
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	157
85 and over	73
Less than 65	34

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2017

Hypertension	71
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	25
Depression	22
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	14
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2018 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	835
diabetes management	317
doctor visit	1394
lab tests	4374
preventive care	1149
thyroid function tests	524
vaccines	182

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	150
Female	337

**Ethnicity**
Non-Hispanic White	400
Black	62
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	153
85 and over	70
Less than 65	35

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2018

Hypertension	71
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	15
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2019 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	764
diabetes management	312
doctor visit	1327
lab tests	3604
preventive care	1001
thyroid function tests	402
vaccines	110

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	138
Female	314

**Ethnicity**
Non-Hispanic White	371
Black	58
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	141
85 and over	69
Less than 65	29

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2019

Hypertension	71
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	21
Depression	25
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2020 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	698
diabetes management	257
doctor visit	1171
lab tests	3269
preventive care	896
thyroid function tests	367
vaccines	137

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	139
Female	297

**Ethnicity**
Non-Hispanic White	358
Black	58
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	209
From 75 to 84	138
85 and over	62
Less than 65	27

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2020

Hypertension	66
High Cholesterol	74
Stroke	4
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	22
Asthma	5
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2021 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	734
diabetes management	277
doctor visit	1206
lab tests	3401
preventive care	952
thyroid function tests	430
vaccines	147

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	206
Female	397

**Ethnicity**
Non-Hispanic White	503
Black	68
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	241
85 and over	99
Less than 65	25

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2021

Hypertension	63
High Cholesterol	67
Stroke	2
Ischemic Heart Disease	19
Depression	17
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA during 2022 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

blood draw	583
diabetes management	221
doctor visit	1001
lab tests	2964
preventive care	800
thyroid function tests	367
vaccines	154

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	133
Female	286

**Ethnicity**
Non-Hispanic White	350
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	151
85 and over	50
Less than 65	17

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	15
Depression	19
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	23
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Johanna D. Larrazabal, MD for Medicare patients.

The highest averages for the top procedures that Dr. Johanna D. Larrazabal, MD treated as a general internist in WILLIAMSBURG, VA were lab tests, preventive care, blood draw and hospital care.

blood draw	515
diabetes management	190
doctor visit	974
hospital care	477
inpatient care	468
lab tests	2475
outpatient care	18
preventive care	674
thyroid function tests	301
vaccines	118

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Johanna D. Larrazabal, MD.

**Gender**
Male	148
Female	266

**Ethnicity**
Black / African American	55
Asian / Pacific Islander	0
Non-Hispanic White	329
Native American / Alaskan Native	0
Hispanic	0
Other	4

**Age**
75 to 84	137
85 and over	70
Less than 65	38
65 to 74	169

Average of Total of Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Johanna D. Larrazabal, MD treated were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	64
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	28
Depression	23
Chronic Kidney Disease	30
Asthma	9
Osteoporosis	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Atrial Fibrillation	13
Cancer	12
Dementia	13

Education & Training

She completed residency at Allegheny General Hospital. She is certified by the American Board of Internal Medicine - Internal Medicine and has a state license in Virginia.

Residency: Allegheny General Hospital

Board Certification: American Board of Internal Medicine - Internal Medicine

Licensed In: Virginia

Affiliations & Hospitals

Dr. Johanna D. Larrazabal, MD is associated with these hospitals and organizations:

Riverside Health

Ratings & Reviews

Dr. Johanna D. Larrazabal, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 364 ratings. We collect ratings and reviews of Dr. Johanna D. Larrazabal, MD from all over the web to help you find the right in WILLIAMSBURG, VA.

4.9

Overall Rating

(364 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$848 FARXIGA $467	SYMBICORT $144	BEVESPI AEROSPHERE $133	BYDUREON $51	BYDUREON PEN $12	Other $41
Amgen Inc.	$419 Repatha $305	Prolia $70	Aimovig $30	$14
Novo Nordisk Inc	$302 Ozempic $174	Saxenda $57	Tresiba $38	RYBELSUS $12	$21
SANOFI-AVENTIS U.S. LLC	$259 TOUJEO $218	PRALUENT $40
Merck Sharp & Dohme Corporation	$217 STEGLATRO $90	JANUMET XR $41	GARDASIL9 $26	ZINPLAVA $17	DULERA $15	Other $27
Other	$1,636 INVOKANA $159	Trintellix $127	Xhance $125	ELIQUIS $111	Synthroid $90	Other $1,024

**Types of Payments**
Food and Beverage	$3,615
Education	$65

Biography

Dr. Johanna Larrazabal specializes in general internal medicine. Her medical residency was performed at Allegheny General Hospital. She has received a 5.0 out of 5 star rating by her patients. Dr. Larrazabal is professionally affiliated with Riverside Medical Group and Riverside Health. Her practice in Williamsburg, VA is open to new patients as reported by Doctor.com.

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Dr. Johanna D. Larrazabal, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Johanna D. Larrazabal, MD in 2023

By Volume:

By Affordability:

By Volume:

By Affordability:

By Volume:

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. Johanna D. Larrazabal, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Johanna D. Larrazabal, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in WILLIAMSBURG, VA