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Dr. Amy C. Trewella, MD

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Specializes in: Family Medicine

Creighton University School of Medicine (2005)

277 Rancheros Drive Suite 100
San Marcos, CA 92069

(760) 291-6700

Dr. Amy C. Trewella, MD is a family medicine practitioner in San Marcos, CA specializing in family medicine. She graduated from Creighton University School of Medicine in 2005 and has 21 years of experience. Dr. Amy C. Trewella, MD is affiliated with Cedars-Sinai, ARCH HEALTH PARTNERS INC and CEDARS-SINAI MEDICAL CARE FOUNDATION.

Office Locations

277 Rancheros Drive Suite 100
San Marcos, CA 92069

(760) 291-6700

(760) 471-0513

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	40

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Amy C. Trewella, MD treated as a family medicine practitioner in San Marcos, CA during 2013 were lab tests.

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	148
lab tests	21

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Gender**
Male	41
Female	82

**Ethnicity**
Non-Hispanic White	93
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	29
85 and over	12
Less than 65	24

Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD in 2013

Hypertension	54
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	24
Depression	26
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Amy C. Trewella, MD treated as a family medicine practitioner in San Marcos, CA during 2014 were lab tests.

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	118
lab tests	17

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Gender**
Male	31
Female	71

**Ethnicity**
Non-Hispanic White	90
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	20
85 and over	14
Less than 65	21

Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD in 2014

Hypertension	52
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	15
Depression	18
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	21
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Amy C. Trewella, MD treated as a family medicine practitioner in San Marcos, CA during 2015 were lab tests.

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	148
lab tests	19

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Gender**
Male	86
Female	196

**Ethnicity**
Non-Hispanic White	252
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	74
85 and over	58
Less than 65	28

Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD in 2015

Hypertension	62
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	29
Depression	25
Chronic Kidney Disease	31
Asthma	16
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	27
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	48

Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD in 2016

Hypertension	46
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
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

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	26

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Age**
From 65 to 74	11
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD in 2018

Hypertension	70
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	0
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

2019 Medicare Procedure Volume

The top procedures that Dr. Amy C. Trewella, MD treated as a family medicine practitioner in San Marcos, CA during 2019 were lab tests.

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	143
lab tests	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Gender**
Male	45
Female	114

**Ethnicity**
Non-Hispanic White	128
Black	0
Hispanic	0
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	63
85 and over	18
Less than 65	12

Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD in 2019

Hypertension	49
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	18
Dementia	7
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	42

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Ethnicity**
Non-Hispanic White	18
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	17
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD in 2020

Hypertension	57
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	0
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

2021 Medicare Procedure Volume

The top procedures that Dr. Amy C. Trewella, MD treated as a family medicine practitioner in San Marcos, CA during 2021 were lab tests.

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	79
lab tests	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Gender**
Male	11
Female	49

**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. Amy C. Trewella, MD in 2021

Hypertension	52
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	20
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Amy C. Trewella, MD treated as a family medicine practitioner in San Marcos, CA during 2022 were lab tests.

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

doctor visit	126
lab tests	23

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Gender**
Male	46
Female	84

**Ethnicity**
Non-Hispanic White	111
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	45
85 and over	15
Less than 65	14

Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD in 2022

Hypertension	68
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	15
Depression	23
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	19
Diabetes	27
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Amy C. Trewella, MD for Medicare patients.

The highest averages for the top procedures that Dr. Amy C. Trewella, MD treated as a family medicine practitioner in San Marcos, CA were lab tests.

doctor visit	91
lab tests	17

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Amy C. Trewella, MD.

**Gender**
Male	26
Female	59

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	69
Native American / Alaskan Native	0
Hispanic	1
Other	0

**Age**
75 to 84	23
85 and over	11
Less than 65	9
65 to 74	41

Average of Total of Conditions of Medicare patients treated by Dr. Amy C. Trewella, MD From 2012 - 2022

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

Hypertension	51
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	10
Depression	11
Chronic Kidney Disease	13
Asthma	3
Osteoporosis	6
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	14
Atrial Fibrillation	6
Dementia	2
Cancer	4

Education & Training

Dr. Amy C. Trewella, MD graduated from Creighton University School of Medicine in 2005. She has a state license in California.

Medical School: Creighton University School of Medicine (2005)

Licensed In: California

Affiliations & Hospitals

Dr. Amy C. Trewella, MD is associated with these hospitals and organizations:

Cedars-Sinai

ARCH HEALTH PARTNERS INC

CEDARS-SINAI MEDICAL CARE FOUNDATION

Ratings & Reviews

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General Payments

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

**Payments by Company**
Iroko Pharmaceuticals, LLC	$63 ZORVOLEX $63
AstraZeneca Pharmaceuticals LP	$62 CRESTOR $34	FARXIGA $13	$16
Lilly USA, LLC	$50 EMGALITY $33	HUMALOG $17
Teva Pharmaceuticals USA, Inc.	$43 AJOVY $43
Takeda Pharmaceuticals U.S.A., Inc.	$36 Trintellix $36
Other	$202 Tresiba $25	Myrbetriq $24	BEXSERO $22	XARELTO $17	Xofluza $17	Other $98

**Types of Payments**
Food and Beverage	$457

Biography

Dr. Amy Trewella's area of specialization is family medicine. She is professionally affiliated with Cedars-Sinai. Dr. Trewella attended medical school at Creighton University School of Medicine. She is not accepting new patients at this time according to Cedars-Sinai.