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Home > WI Providers > Internists & Internal Medicine Doctors

Dr. Efrain Sueldo, MD, FACP

Accepting New Patients

(202 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

Cayetano Heredia University (1987)

2116 Craig Road
Eau Claire, WI 54701

(715) 858-4700

Dr. Efrain Sueldo, MD, FACP is an internist in Eau Claire, WI specializing in internal medicine (adult medicine). He graduated from Cayetano Heredia University in 1987 and has 39 years of experience. Dr. Efrain Sueldo, MD, FACP is affiliated with Marshfield Clinic Health System.

Office Locations

2116 Craig Road
Eau Claire, WI 54701

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Noteworthy Medicare Patient Procedures Performed by Dr. Efrain Sueldo, MD, FACP in 2023

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

Top 5%

By Affordability:

X-rays

In 2023, Dr. Efrain Sueldo, MD, FACP had a list price for X-rays that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Wisconsin. 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 Affordability:

bone density test

central DEXA

dual-energy X-ray absorptiometry

In 2023, Dr. Efrain Sueldo, MD, FACP had a list price for bone density test, central DEXA, and dual-energy X-ray absorptiometry (DEXA) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Wisconsin. 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:

central DEXA

In 2012, Dr. Efrain Sueldo, MD, FACP performed more central DEXA procedures for Medicare patients than 75% of providers in related specialties within Wisconsin.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2012 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

doctor visit	588
hospital care	132
inpatient care	132
musculoskeletal imaging	67
preventive care	82
vaccines	82
X-rays	67

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2013 were preventive care, vaccines, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

doctor visit	688
musculoskeletal imaging	137
preventive care	191
vaccines	191
X-rays	137

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	212
Female	261

**Ethnicity**
Non-Hispanic White	429
Black	0
Hispanic	0
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	108
85 and over	46
Less than 65	120

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2013

Hypertension	59
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	15
Atrial Fibrilation	6
Heart Failure	11
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2014 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	335
breast procedures	21
diabetes management	160
doctor visit	779
lab tests	1272
musculoskeletal imaging	126
preventive care	559
thoracic (chest) imaging	21
thyroid function tests	221
vaccines	227
women's imaging	21
X-rays	168

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	239
Female	297

**Ethnicity**
Non-Hispanic White	492
Black	0
Hispanic	0
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	104
85 and over	37
Less than 65	159

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2014

Hypertension	59
High Cholesterol	60
Stroke	2
Ischemic Heart Disease	24
Depression	25
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	13
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	5
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2015 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	582
breast procedures	14
diabetes management	318
doctor visit	831
lab tests	2258
musculoskeletal imaging	118
preventive care	1016
thyroid function tests	368
vaccines	415
women's imaging	14
X-rays	132

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	612
Female	716

**Ethnicity**
Non-Hispanic White	1220
Black	0
Hispanic	0
Asian	72
Other	0
Native American	0

**Age**
From 65 to 74	660
From 75 to 84	210
85 and over	108
Less than 65	350

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2015

Hypertension	56
High Cholesterol	57
Stroke	2
Ischemic Heart Disease	26
Depression	22
Chronic Kidney Disease	24
Asthma	15
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2016 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	641
diabetes management	325
doctor visit	925
lab tests	2437
musculoskeletal imaging	132
preventive care	1140
thyroid function tests	365
vaccines	513
X-rays	132

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	333
Female	450

**Ethnicity**
Non-Hispanic White	711
Black	0
Hispanic	0
Asian	43
Other	13
Native American	0

**Age**
From 65 to 74	389
From 75 to 84	141
85 and over	60
Less than 65	193

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2016

Hypertension	55
High Cholesterol	46
Stroke	1
Ischemic Heart Disease	22
Depression	18
Chronic Kidney Disease	24
Asthma	20
Osteoperosis	11
Atrial Fibrilation	4
Heart Failure	12
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2017 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	582
diabetes management	270
doctor visit	821
lab tests	2250
musculoskeletal imaging	131
preventive care	1094
thyroid function tests	326
vaccines	564
X-rays	131

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	398
Female	508

**Ethnicity**
Non-Hispanic White	815
Black	0
Hispanic	0
Asian	50
Other	18
Native American	0

**Age**
From 65 to 74	454
From 75 to 84	166
85 and over	52
Less than 65	234

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2017

Hypertension	51
High Cholesterol	39
Stroke	2
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	9
Atrial Fibrilation	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2018 were lab tests, preventive care, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	492
brain imaging (neuroimaging)	16
diabetes management	280
doctor visit	785
lab tests	2398
MRI (magnetic resonance imaging)	16
musculoskeletal imaging	195
preventive care	664
thyroid function tests	362
vaccines	92
X-rays	195

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	424
Female	547

**Ethnicity**
Non-Hispanic White	884
Black	0
Hispanic	0
Asian	48
Other	19
Native American	0

**Age**
From 65 to 74	503
From 75 to 84	173
85 and over	54
Less than 65	241

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2018

Hypertension	50
High Cholesterol	46
Stroke	2
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	12
Atrial Fibrilation	6
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2019 were lab tests, X-rays, musculoskeletal imaging and preventive care.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	120
diabetes management	71
doctor visit	774
lab tests	555
musculoskeletal imaging	154
preventive care	142
thyroid function tests	80
X-rays	154

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	245
Female	264

**Ethnicity**
Non-Hispanic White	449
Black	0
Hispanic	14
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	272
From 75 to 84	87
85 and over	25
Less than 65	125

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2019

Hypertension	54
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	23
Depression	0
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	17
Atrial Fibrilation	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2020 were X-rays, musculoskeletal imaging, lab tests and blood draw.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	23
doctor visit	712
lab tests	25
musculoskeletal imaging	137
X-rays	137

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	229
Female	256

**Ethnicity**
Non-Hispanic White	432
Black	0
Hispanic	16
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	87
85 and over	33
Less than 65	117

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2020

Hypertension	49
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	14
Atrial Fibrilation	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2021 were X-rays, musculoskeletal imaging, blood draw and lab tests.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	29
doctor visit	722
lab tests	26
musculoskeletal imaging	136
X-rays	136

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	212
Female	245

**Ethnicity**
Non-Hispanic White	417
Black	0
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	98
85 and over	17
Less than 65	115

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2021

Hypertension	55
High Cholesterol	52
Stroke	2
Ischemic Heart Disease	21
Depression	21
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	14
Atrial Fibrilation	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI during 2022 were X-rays, musculoskeletal imaging, lab tests and blood draw.

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

blood draw	19
doctor visit	771
lab tests	20
musculoskeletal imaging	118
X-rays	118

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	210
Female	280

**Ethnicity**
Non-Hispanic White	445
Black	0
Hispanic	0
Asian	20
Other	11
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	114
85 and over	26
Less than 65	120

Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP in 2022

Hypertension	63
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	18
Depression	20
Chronic Kidney Disease	20
Asthma	11
Osteoperosis	18
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Efrain Sueldo, MD, FACP for Medicare patients.

The highest averages for the top procedures that Dr. Efrain Sueldo, MD, FACP treated as an internist in Eau Claire, WI were lab tests, preventive care, blood draw and vaccines.

blood draw	313
brain imaging (neuroimaging)	16
breast procedures	17
diabetes management	237
doctor visit	763
hospital care	132
inpatient care	132
lab tests	1249
MRI (magnetic resonance imaging)	16
musculoskeletal imaging	131
preventive care	611
thoracic (chest) imaging	21
thyroid function tests	287
vaccines	297
women's imaging	17
X-rays	137

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Efrain Sueldo, MD, FACP.

**Gender**
Male	283
Female	347

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	31
Non-Hispanic White	572
Native American / Alaskan Native	0
Hispanic	2
Other	5

**Age**
75 to 84	117
85 and over	41
Less than 65	161
65 to 74	310

Average of Total of Conditions of Medicare patients treated by Dr. Efrain Sueldo, MD, FACP From 2012 - 2022

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

Hypertension	50
High Cholesterol	47
Stroke	1
Ischemic Heart Disease	21
Depression	17
Chronic Kidney Disease	23
Asthma	8
Osteoporosis	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Atrial Fibrillation	5
Dementia	5
Cancer	7

Education & Training

Dr. Efrain Sueldo, MD, FACP graduated from Cayetano Heredia University in 1987. He completed residency at Guillermo Almenara Hospital Lima, Peru Internal Medicine. He is certified by the Board Certification: Internal Medicine: recertified and has a state license in Wisconsin.

Medical School: Cayetano Heredia University (1987)

Residency: Guillermo Almenara Hospital Lima, Peru Internal Medicine (1993)

Board Certification: Board Certification: Internal Medicine: recertified (1996)

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Efrain Sueldo, MD, FACP is associated with these hospitals and organizations:

Marshfield Clinic Health System

Ratings & Reviews

Dr. Efrain Sueldo, MD, FACP has an exceptional overall rating with an average of 4.52 out of 5 stars based on 202 ratings. We collect ratings and reviews of Dr. Efrain Sueldo, MD, FACP from all over the web to help you find the right in Eau Claire, WI.

4.52

Overall Rating

(202 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2024-05-12

Patient verified via Press Ganey

I have been going to this doctor for 20 years. I continue to see him because he is excellent.

Overall Rating: 5.0 2025-06-25

Patient verified via Press Ganey

I've been with them for many many years and look forward to seeing them.

Overall Rating: 5.0 2024-09-06

Patient verified via Press Ganey

Excellent doctor! I already recommended to all my relatives and friends

Overall Rating: 4.0 2025-04-18

Patient verified via Press Ganey

Dr Sueldo is very cheerful, supportive and kind.

General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$282 Pradaxa $104	STIOLTO RESPIMAT $90	Spiriva $82	STIOLTO $6
Janssen Pharmaceuticals, Inc	$102 INVOKANA $92	XARELTO $9
FOREST PHARMACEUTICALS, INC.	$73 VIIBRYD $73
Novartis Pharmaceuticals Corporation	$68 ENTRESTO $68
Amgen Inc.	$68 Prolia $68
Other	$242 PRALUENT $65	ABILIFY TABLET $58	ELIQUIS $36	Belviq $15	$69

**Types of Payments**
Food and Beverage	$786
Education	$49

Biography

Dr. Efrain Sueldo is affiliated with Marshfield Clinic Health System. Dr. Sueldo obtained his medical school training at Cayetano Heredia University and performed his residency at Henry Ford Hospital. The average patient rating for Dr. Sueldo is 4.5 stars (out of 5). Doctor.com reports that he is accepting new patients at his office in Eau Claire, WI.