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Dr. Matthew J. Riffle, MD

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Specializes in: Internal Medicine (Adult Medicine)

St. Louis University School of Medicine

225 Physician Park Drive
Poplar Bluff, MO 63901

(573) 727-5500

Dr. Matthew J. Riffle, MD is an internist in Poplar Bluff, MO specializing in internal medicine (adult medicine). He graduated from St. Louis University School of Medicine. Dr. Matthew J. Riffle, MD is affiliated with Poplar Bluff Regional Medical Center.

Office Locations

Poplar Bluff Regional Medical Center

225 Physician Park Drive
Poplar Bluff, MO 63901

(573) 727-5500

(573) 727-5599

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In The News

“"This year s graduating class continues the legacy of excellence," said Matthew Riffle, M.D., program director for the Internal Medicine Residency Program.”—"PBRMC celebrates second graduating class; welcomes six new residents", Daily American Republic, July 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Matthew J. Riffle, MD in 2023

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

Top 5%

By Volume:

colonoscopy

colonoscopy with biopsy

colonoscopy with lesion removal

Doppler echocardiography

echocardiogram

EGD with biopsy

EGD with lesion removal

endoscopy

gastrointestinal biopsy

gastrointestinal procedures

inpatient hospital care

screening colonoscopy

ultrasound

By Affordability:

cardiac imaging

color Doppler echocardiography

Doppler echocardiography

echocardiogram

spectral Doppler echocardiography

In 2023, among providers in related specialties within Missouri, Dr. Matthew J. Riffle, MD performed more colonoscopy, colonoscopy with biopsy, colonoscopy with lesion removal, Doppler echocardiography, echocardiogram (echo), EGD with biopsy, EGD with lesion removal, endoscopy, gastrointestinal biopsy, gastrointestinal procedures, inpatient hospital care (for patient admitted to hospital), screening colonoscopy, and ultrasound (sonogram) procedures for Medicare patients than 95% of them and he also had a list price for cardiac imaging, color Doppler echocardiography, Doppler echocardiography, echocardiogram (echo), and spectral Doppler echocardiography 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 Affordability:

transthoracic echocardiography

In 2023, Dr. Matthew J. Riffle, MD had a list price for transthoracic echocardiography (TTE) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Missouri. 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:

removal of lesion

In 2012, Dr. Matthew J. Riffle, MD performed more removal of lesion (e.g. growth) procedures for Medicare patients than 75% of providers in related specialties within Missouri.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2012 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

ambulatory monitoring	16
cardiac procedures	853
cytology	15
diagnostic procedures	441
gastrointestinal procedures	627
gynecologic pathology	15
hip imaging	11
hospital care	3364
inpatient care	3267
lab tests	52
minimally invasive procedures	627
musculoskeletal imaging	100
outpatient care	97
preventive care	224
removal of lesion (e.g. growth)	441
spinal procedures	15
stress testing	15
thoracic (chest) imaging	103
ultrasound (sonogram)	822
X-rays	218

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2013 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

ambulatory monitoring	22
cardiac procedures	774
cytology	24
diagnostic procedures	428
gastrointestinal procedures	622
gynecologic pathology	24
hip imaging	14
hospital care	3549
inpatient care	3432
lab tests	30
minimally invasive procedures	622
musculoskeletal imaging	99
outpatient care	117
preventive care	248
removal of lesion (e.g. growth)	428
spinal procedures	11
thoracic (chest) imaging	109
ultrasound (sonogram)	752
X-rays	219

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	651
Female	1075

**Ethnicity**
Non-Hispanic White	1676
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	630
From 75 to 84	532
85 and over	255
Less than 65	309

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2013

Hypertension	75
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	55
Depression	30
Chronic Kidney Disease	23
Asthma	6
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	33
Chronic Obstructive Pulmonary Disease	33
Diabetes	40
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2014 were lab tests, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

blood draw	1071
cardiac procedures	692
diabetes management	331
diagnostic procedures	443
gastrointestinal procedures	659
hospital care	3416
inpatient care	3231
lab tests	3468
minimally invasive procedures	659
musculoskeletal imaging	66
outpatient care	185
preventive care	1155
removal of lesion (e.g. growth)	443
thoracic (chest) imaging	33
thyroid function tests	180
ultrasound (sonogram)	692
X-rays	99

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	707
Female	1147

**Ethnicity**
Non-Hispanic White	1797
Black	39
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	732
From 75 to 84	552
85 and over	305
Less than 65	265

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	22
Asthma	5
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	29
Diabetes	42
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2015 were hospital care, lab tests, inpatient care and preventive care.

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

ambulatory monitoring	14
blood draw	45
cardiac procedures	720
diabetes management	324
diagnostic procedures	370
gastrointestinal procedures	585
hospital care	3478
inpatient care	3204
lab tests	3377
minimally invasive procedures	585
musculoskeletal imaging	95
outpatient care	274
preventive care	1132
removal of lesion (e.g. growth)	370
thoracic (chest) imaging	40
thyroid function tests	159
ultrasound (sonogram)	706
X-rays	135

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	1488
Female	2170

**Ethnicity**
Non-Hispanic White	3562
Black	68
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	1390
From 75 to 84	1072
85 and over	594
Less than 65	602

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	52
Depression	29
Chronic Kidney Disease	24
Asthma	16
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2016 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

blood draw	24
cardiac procedures	787
diabetes management	273
diagnostic procedures	424
gastrointestinal procedures	615
hospital care	3308
inpatient care	2950
lab tests	2444
minimally invasive procedures	615
musculoskeletal imaging	21
outpatient care	358
preventive care	806
removal of lesion (e.g. growth)	424
thoracic (chest) imaging	30
thyroid function tests	126
ultrasound (sonogram)	787
X-rays	51

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	767
Female	1171

**Ethnicity**
Non-Hispanic White	1885
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	760
From 75 to 84	605
85 and over	291
Less than 65	282

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2016

Hypertension	75
High Cholesterol	56
Stroke	9
Ischemic Heart Disease	50
Depression	31
Chronic Kidney Disease	27
Asthma	31
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	31
Diabetes	40
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2017 were hospital care, inpatient care, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

blood draw	228
cardiac procedures	865
diabetes management	124
diagnostic procedures	416
gastrointestinal procedures	571
hospital care	3166
inpatient care	2773
lab tests	823
minimally invasive procedures	571
outpatient care	393
preventive care	372
removal of lesion (e.g. growth)	416
stress testing	13
thoracic (chest) imaging	25
thyroid function tests	57
ultrasound (sonogram)	865
X-rays	25

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	774
Female	1102

**Ethnicity**
Non-Hispanic White	1828
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	733
From 75 to 84	566
85 and over	302
Less than 65	275

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2017

Hypertension	75
High Cholesterol	49
Stroke	9
Ischemic Heart Disease	51
Depression	32
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	33
Chronic Obstructive Pulmonary Disease	35
Diabetes	40
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2018 were hospital care, inpatient care, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

cardiac procedures	813
diagnostic procedures	392
gastrointestinal procedures	551
hospital care	3310
inpatient care	2897
minimally invasive procedures	551
musculoskeletal imaging	19
outpatient care	413
preventive care	147
removal of lesion (e.g. growth)	392
ultrasound (sonogram)	813
X-rays	19

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	655
Female	1011

**Ethnicity**
Non-Hispanic White	1626
Black	26
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	598
From 75 to 84	557
85 and over	270
Less than 65	241

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2018

Hypertension	75
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	54
Depression	33
Chronic Kidney Disease	35
Asthma	5
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	37
Chronic Obstructive Pulmonary Disease	35
Diabetes	41
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2019 were hospital care, inpatient care, lab tests and ultrasound (sonogram).

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

balloon dilation	13
cardiac procedures	688
diabetes management	71
diagnostic procedures	335
esophageal dilation	13
gastrointestinal procedures	505
hospital care	2928
inpatient care	2604
lab tests	733
minimally invasive procedures	505
musculoskeletal imaging	34
outpatient care	324
preventive care	302
removal of lesion (e.g. growth)	335
thyroid function tests	40
ultrasound (sonogram)	688
X-rays	34

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	651
Female	967

**Ethnicity**
Non-Hispanic White	1581
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	572
From 75 to 84	555
85 and over	284
Less than 65	207

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2019

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	51
Depression	33
Chronic Kidney Disease	38
Asthma	5
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	35
Chronic Obstructive Pulmonary Disease	33
Diabetes	44
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2020 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

balloon dilation	15
cardiac procedures	342
diabetes management	161
diagnostic procedures	272
esophageal dilation	15
gastrointestinal procedures	346
hospital care	1996
inpatient care	1964
lab tests	1672
minimally invasive procedures	346
musculoskeletal imaging	29
outpatient care	32
preventive care	458
removal of lesion (e.g. growth)	272
thyroid function tests	129
ultrasound (sonogram)	342
X-rays	29

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	466
Female	707

**Ethnicity**
Non-Hispanic White	1133
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	432
From 75 to 84	421
85 and over	195
Less than 65	125

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2020

Hypertension	75
High Cholesterol	57
Stroke	10
Ischemic Heart Disease	48
Depression	32
Chronic Kidney Disease	40
Asthma	4
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	33
Chronic Obstructive Pulmonary Disease	27
Diabetes	42
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2021 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

balloon dilation	17
cardiac procedures	388
diabetes management	144
diagnostic procedures	292
esophageal dilation	17
gastrointestinal procedures	404
hospital care	1731
inpatient care	1717
lab tests	1538
minimally invasive procedures	404
musculoskeletal imaging	12
outpatient care	14
preventive care	424
removal of lesion (e.g. growth)	292
thyroid function tests	84
ultrasound (sonogram)	388
X-rays	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	491
Female	704

**Ethnicity**
Non-Hispanic White	1164
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	445
From 75 to 84	427
85 and over	221
Less than 65	102

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2021

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	46
Depression	29
Chronic Kidney Disease	36
Asthma	4
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	33
Chronic Obstructive Pulmonary Disease	29
Diabetes	41
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO during 2022 were hospital care, inpatient care, lab tests and ultrasound (sonogram).

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

balloon dilation	18
cardiac procedures	550
diabetes management	79
diagnostic procedures	328
esophageal dilation	18
gastrointestinal procedures	431
hospital care	2182
inpatient care	2110
lab tests	832
minimally invasive procedures	431
musculoskeletal imaging	12
outpatient care	72
preventive care	259
removal of lesion (e.g. growth)	328
thyroid function tests	47
ultrasound (sonogram)	550
X-rays	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Male	533
Female	732

**Ethnicity**
Non-Hispanic White	1228
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	442
From 75 to 84	465
85 and over	237
Less than 65	121

Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	11
Atrial Fibrilation	26
Heart Failure	29
Chronic Obstructive Pulmonary Disease	33
Diabetes	40
Dementia	13
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Matthew J. Riffle, MD for Medicare patients.

The highest averages for the top procedures that Dr. Matthew J. Riffle, MD treated as an internist in Poplar Bluff, MO were hospital care, inpatient care, lab tests and cardiac procedures.

ambulatory monitoring	17
balloon dilation	15
blood draw	342
cardiac procedures	679
cytology	19
diabetes management	188
diagnostic procedures	376
esophageal dilation	15
gastrointestinal procedures	537
gynecologic pathology	19
hip imaging	12
hospital care	2948
inpatient care	2740
lab tests	1496
minimally invasive procedures	537
musculoskeletal imaging	48
outpatient care	207
preventive care	502
removal of lesion (e.g. growth)	376
spinal procedures	13
stress testing	14
thoracic (chest) imaging	56
thyroid function tests	102
ultrasound (sonogram)	673
X-rays	77

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Matthew J. Riffle, MD.

**Gender**
Female	980
Male	653

**Ethnicity**
Black / African American	28
Asian / Pacific Islander	0
Non-Hispanic White	1589
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	268
75 to 84	522
Less than 65	229
65 to 74	612

Average of Total of Conditions of Medicare patients treated by Dr. Matthew J. Riffle, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Matthew J. Riffle, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	45
Depression	27
Chronic Kidney Disease	27
Asthma	8
Osteoporosis	7
Heart Failure	29
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Atrial Fibrillation	17
Dementia	16
Cancer	11

Education & Training

Dr. Matthew J. Riffle, MD graduated from St. Louis University School of Medicine. He completed residency at Wilford Hall Medical Center. He is certified by the American Board of Internal Medicine Internal Medicine and has a state license in Missouri.

Medical School: St. Louis University School of Medicine

Residency: Wilford Hall Medical Center

Board Certification: American Board of Internal Medicine Internal Medicine

Licensed In: Missouri

Affiliations & Hospitals

Dr. Matthew J. Riffle, MD is associated with these hospitals and organizations:

Poplar Bluff Regional Medical Center

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General Payments

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

**Payments by Company**
Abbott Laboratories	$184 Freestyle Libre 2 $92	Assurity $52	Fortify Assura $21	THORATEC HEARTMATE 3 LVAS IMPLANT KIT $19
Edwards Lifesciences Corporation	$172 Transcatheter Heart Valves $87	Edwards SAPIEN 3 Transcatheter Heart Valve $85
Avanir Pharmaceuticals, Inc.	$152 Nuedexta $152
Novo Nordisk Inc	$132 NovoLog $35	Victoza $35	Ozempic $27	Tresiba $18	RYBELSUS $17
Medtronic, Inc.	$114 Micra $114
Other	$701 ELIQUIS $111	HIPS $99	GANIRELIX $73	XARELTO $70	Endovascular $64	Other $285

**Types of Payments**
Food and Beverage	$1,369
Education	$86

Biography

Dr. Matthew Riffle is professionally affiliated with St. Francis Hospital and Poplar Bluff Regional Medical Center. He attended St. Louis University School of Medicine and subsequently trained at Wilford Hall Medical Center for residency.