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Dr. Gwen Johanna Grewe, MD

Accepting New Patients

(91 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

Eastern Virginia Medical School (1997)

19875 SW 65TH AVENUE SUITE 100
TUALATIN, OR 97062

(503) 692-7785

Dr. Gwen Johanna Grewe, MD is an internist in TUALATIN, OR specializing in internal medicine (adult medicine). She graduated from Eastern Virginia Medical School in 1997 and has 29 years of experience. Dr. Gwen Johanna Grewe, MD is affiliated with Legacy Health and Legacy Meridian Park Medical Center.

Office Locations

19875 SW 65TH AVENUE SUITE 100
TUALATIN, OR 97062

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	112

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	108

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	13
Female	41

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2013

Hypertension	67
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	20
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

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	125

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	12
Female	42

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	26
From 75 to 84	16
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2014

Hypertension	67
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	0
Depression	37
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

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	123

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	24
Female	72

**Age**
From 65 to 74	44
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2015

Hypertension	73
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	0
Depression	33
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

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	135

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	13
Female	42

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

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2016

Hypertension	69
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	0
Depression	40
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

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	139

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	15
Female	47

**Age**
From 65 to 74	31
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2017

Hypertension	65
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	18
Depression	42
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	146

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	14
Female	46

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2018

Hypertension	65
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	0
Depression	23
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	126

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	17
Female	38

**Ethnicity**
Non-Hispanic White	55
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	28
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2019

Hypertension	69
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	0
Depression	29
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	93

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	16
Female	46

**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. Gwen Johanna Grewe, MD in 2020

Hypertension	63
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	0
Depression	32
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	74

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	13
Female	38

**Ethnicity**
Non-Hispanic White	51
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2021

Hypertension	73
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	0
Depression	35
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	75

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	12
Female	38

**Ethnicity**
Non-Hispanic White	50
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	26
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2022

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	0
Depression	28
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	24

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	91

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	15
Female	42

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

Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD in 2023

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	19
Depression	28
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Gwen Johanna Grewe, MD for Medicare patients.

doctor visit	112

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Gwen Johanna Grewe, MD.

**Gender**
Male	13
Female	41

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	22
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	1
85 and over	0
Less than 65	0
65 to 74	28

Average of Total of Conditions of Medicare patients treated by Dr. Gwen Johanna Grewe, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Gwen Johanna Grewe, MD treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	63
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	4
Depression	27
Chronic Kidney Disease	0
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Atrial Fibrillation	0
Cancer	2
Dementia	0

Education & Training

Dr. Gwen Johanna Grewe, MD graduated from Eastern Virginia Medical School in 1997. She is certified by the Internal Medicine, Board-certified and has a state license in Oregon.

Medical School: Eastern Virginia Medical School (1997)

Board Certification: Internal Medicine, Board-certified

Licensed In: Oregon

Affiliations & Hospitals

Dr. Gwen Johanna Grewe, MD is associated with these hospitals and organizations:

Legacy Health

Legacy Meridian Park Medical Center

Ratings & Reviews

Dr. Gwen Johanna Grewe, MD has an exceptional overall rating with an average of 4.92 out of 5 stars based on 91 ratings. We collect ratings and reviews of Dr. Gwen Johanna Grewe, MD from all over the web to help you find the right in TUALATIN, OR.

4.92

Overall Rating

(91 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-07-17

Patient verified via Press Ganey

Dr Grewe is always very personable, treats me with respect and she takes time to explain her reasoning

Overall Rating: 5.0 2026-01-15

Patient verified via Press Ganey

Dr. Grewe was very attentive and caring. She listened carefully to my questions and answered them.

Overall Rating: 5.0 2024-12-07

Patient verified via Press Ganey

No complaints. Appointment went great.

Overall Rating: 5.0 2025-04-24

Patient verified via Press Ganey

Very pleased with Dr. Grewe.

General Payments

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

**Payments by Company**
Takeda Pharmaceuticals U.S.A., Inc.	$46 $46

**Types of Payments**
Consulting Fee	$46

Biography

Dr. Gwen Grewe graduated from Eastern Virginia Medical School. Her patients gave her an average rating of 5.0 stars (out of 5). She offers interpreting services for her patients. Dr. Grewe is affiliated with Legacy Meridian Park Medical Center. According to Doctor.com, she is currently accepting new patients at her office in Tualatin, OR.