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Home > CO Providers > Family Physicians & Family Medicine Specialists

Dr. Charles Anthony Gerk, MD

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Specializes in: Family Medicine

1405 S 8th Avenue Suite 103
Sterling, CO 80751

(970) 522-3304

Dr. Charles Anthony Gerk, MD is a family medicine practitioner in Sterling, CO specializing in family medicine.

Office Locations

1405 S 8th Avenue Suite 103
Sterling, CO 80751

(970) 522-3304

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In The News

“Lauren Elizabeth Stecik and Dr. Charles Anthony Gerk (Tony), both of Fort Worth, Texas, were married April 10 at St. Patrick Cathedral in Fort Worth, Texas.”—"Weddings", Greeley Tribune, January 2011

“Tom and Eileen Stecik are pleased to announce the engagement of their daughter, Lauren Elizabeth Stecik, to Dr. Charles Anthony Gerk, both of Fort Worth, Texas.”—"Stecik-Gerk engagement", Greeley Tribune, February 2010

Noteworthy Medicare Patient Procedures Performed by Dr. Charles Anthony Gerk, MD in 2023

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

Top 5%

By Volume:

immunization

By Affordability:

glycated protein test

pneumonia shot

screening EKG

In 2023, among providers in related specialties within Colorado, Dr. Charles Anthony Gerk, MD performed more immunization (preventive vaccines) procedures for Medicare patients than 95% of them and he also had a list price for 12-lead (standard) EKG, A1C test, blood tests, diabetes management, diabetes screening, electrocardiogram (EKG), glycated protein test, pneumonia shot, and screening EKG 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:

blood draw

flu shot

phlebotomy for lab tests

preventive care

In 2023, Dr. Charles Anthony Gerk, MD performed more blood draw, flu shot, phlebotomy for lab tests, and preventive care procedures for Medicare patients than 90% of providers in related specialties within Colorado.

Top 25%

By Volume:

A1C test

lab tests

removal of lesion

By Affordability:

flu shot

flu vaccine

lab tests

removal of skin lesion

skin lesion destruction

skin procedures

In 2012, among providers in related specialties within Colorado, Dr. Charles Anthony Gerk, MD performed more A1C test, lab tests, and removal of lesion (e.g. growth) procedures for Medicare patients than 75% of them and he also had a list price for flu shot, flu vaccine, lab tests, removal of skin lesion (growth or mark), skin lesion destruction (e.g. laser surgery), and skin procedures 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. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2012 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

blood draw	54
doctor visit	234
preventive care	34
vaccines	34

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2013 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

blood draw	95
doctor visit	307
lab tests	26
preventive care	33
vaccines	33

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	75
Female	66

**Age**
From 65 to 74	73
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2013

Hypertension	66
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	26
Depression	16
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2014 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

blood draw	77
doctor visit	250
lab tests	20
preventive care	31
removal of lesion (e.g. growth)	15
skin procedures	15
vaccines	31

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	75
Female	55

**Age**
From 65 to 74	64
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2014

Hypertension	63
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	29
Depression	15
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	18
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2015 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

aspiration	15
blood draw	76
doctor visit	352
injections	15
lab tests	18
preventive care	62
removal of lesion (e.g. growth)	18
skin procedures	18
vaccines	62

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	168
Female	136

**Age**
From 65 to 74	150
From 75 to 84	82
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2015

Hypertension	70
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	30
Depression	13
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2016 were blood draw, preventive care, vaccines and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

aspiration	15
blood draw	117
diagnostic procedures	12
doctor visit	370
gastrointestinal procedures	12
injections	15
lab tests	23
minimally invasive procedures	12
preventive care	63
removal of lesion (e.g. growth)	30
skin procedures	18
vaccines	63

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	80
Female	76

**Age**
From 65 to 74	86
From 75 to 84	42
85 and over	17
Less than 65	11

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2016

Hypertension	62
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	22
Depression	11
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2017 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

blood draw	173
diagnostic procedures	11
doctor visit	275
gastrointestinal procedures	11
lab tests	30
minimally invasive procedures	11
preventive care	44
removal of lesion (e.g. growth)	30
skin procedures	19
vaccines	44

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	88
Female	61

**Age**
From 65 to 74	87
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2017

Hypertension	61
High Cholesterol	32
Stroke	0
Ischemic Heart Disease	24
Depression	7
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2018 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

blood draw	309
diagnostic procedures	11
doctor visit	358
lab tests	39
preventive care	95
removal of lesion (e.g. growth)	15
skin procedures	15
vaccines	95

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	121
Female	89

**Ethnicity**
Non-Hispanic White	191
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	48
85 and over	37
Less than 65	12

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2018

Hypertension	64
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	24
Depression	9
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	5
Diabetes	21
Dementia	11
Cancer	6

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2019 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

aspiration	17
blood draw	369
doctor visit	353
injections	17
lab tests	28
nursing home care	23
preventive care	47
removal of lesion (e.g. growth)	19
skin procedures	19
vaccines	47

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	123
Female	82

**Ethnicity**
Non-Hispanic White	188
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	50
85 and over	32
Less than 65	11

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2019

Hypertension	70
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	34
Depression	13
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Dementia	15
Cancer	6

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2020 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

blood draw	203
doctor visit	250
lab tests	25
preventive care	61
removal of lesion (e.g. growth)	13
skin procedures	13
vaccines	61

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	104
Female	72

**Ethnicity**
Non-Hispanic White	158
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2020

Hypertension	56
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	31
Depression	7
Chronic Kidney Disease	15
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	11
Cancer	6

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2021 were blood draw, preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

aspiration	25
blood draw	97
diabetes management	34
diagnostic procedures	20
doctor visit	333
gastrointestinal procedures	20
injections	25
lab tests	63
minimally invasive procedures	20
preventive care	75
removal of lesion (e.g. growth)	34
skin procedures	14
vaccines	41

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	141
Female	119

**Ethnicity**
Non-Hispanic White	232
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	67
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2021

Hypertension	55
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	24
Depression	7
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	7
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	20
Dementia	5
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO during 2022 were preventive care, blood draw, lab tests and vaccines.

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

aspiration	13
blood draw	186
cardiac procedures	13
diabetes management	79
diagnostic procedures	13
doctor visit	459
gastrointestinal procedures	13
injections	13
lab tests	124
minimally invasive procedures	13
preventive care	210
removal of lesion (e.g. growth)	36
skin procedures	23
vaccines	101

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	155
Female	131

**Ethnicity**
Non-Hispanic White	263
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2022

Hypertension	66
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	18
Depression	13
Chronic Kidney Disease	24
Asthma	5
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Charles Anthony Gerk, MD for Medicare patients.

The highest averages for the top procedures that Dr. Charles Anthony Gerk, MD treated as a family medicine practitioner in Sterling, CO were blood draw, preventive care, diabetes management and vaccines.

aspiration	17
blood draw	159
cardiac procedures	13
diabetes management	56
diagnostic procedures	13
doctor visit	321
gastrointestinal procedures	14
injections	17
lab tests	39
minimally invasive procedures	14
nursing home care	23
preventive care	68
removal of lesion (e.g. growth)	23
skin procedures	17
vaccines	55

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Charles Anthony Gerk, MD.

**Gender**
Male	102
Female	80

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	93
Native American / Alaskan Native	0
Hispanic	0
Other	1

**Age**
75 to 84	47
85 and over	7
Less than 65	3
65 to 74	101

Average of Total of Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD From 2012 - 2022

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

Hypertension	57
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	23
Depression	10
Chronic Kidney Disease	16
Asthma	1
Osteoporosis	4
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	20
Atrial Fibrillation	10
Dementia	4
Cancer	6

Education & Training

He has a state license in Colorado.

Licensed In: Colorado

Ratings & Reviews

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General Payments

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

**Payments by Company**
GlaxoSmithKline, LLC.	$19,169 TRELEGY ELLIPTA $4,881	SHINGRIX $1,275	FLOVENT $90	Menveo $17	TANZEUM $11	Other $12,896
AstraZeneca Pharmaceuticals LP	$7,557 BREZTRI $2,762	SYMBICORT $401	FARXIGA $147	CRESTOR $79	BREZTRI AEROSPHERE $15	Other $4,152
Midmark Corporation	$4,278 $4,278
Mylan Specialty L.P.	$2,802 Yupelri $2,802
Teva Pharmaceuticals USA, Inc.	$2,800 $2,800
Other	$1,931 TOUJEO $140	MOUNJARO $129	JARDIANCE $102	REYVOW $78	INVOKANA $71	Other $1,411

**Types of Payments**
Consulting Fee	$29,635
Travel and Lodging	$4,590
Food and Beverage	$4,294
Education	$18

Biography

Dr. Charles Gerk specializes in family medicine and practices in Sterling, CO. He studied medicine at the University of Colorado Denver School of Medicine.

Select Year:

Dr. Charles Anthony Gerk, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Charles Anthony Gerk, MD in 2023

By Volume:

By Affordability:

By Volume:

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. Charles Anthony Gerk, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Anthony Gerk, 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. Charles Anthony Gerk, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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