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Home > CA Providers > Obstetricians & Gynecologists: OB-GYNs

Dr. Gregory R. Klis, MD

Accepting New Patients

(5 Ratings)

Specializes in: Obstetrics & Gynecology

University of Minnesota Medical School

8339 Brimhall Road Suite 1303
Bakersfield, CA 93312

(661) 829-0026

Dr. Gregory R. Klis, MD is an obstetrician and gynecologist in Bakersfield, CA specializing in obstetrics & gynecology. He graduated from University of Minnesota Medical School. Dr. Gregory R. Klis, MD is affiliated with Dignity Health and Mercy Hospitals of Bakersfield.

Office Locations

100 Old River Road
Bakersfield, CA 93311

open_in_new

Mercy Hospitals of Bakersfield

8339 Brimhall Road Suite 1303
Bakersfield, CA 93312

(661) 829-0026

(661) 829-0027

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory R. Klis, MD in 2023

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

Top 5%

By Affordability:

breast imaging

mammogram

screening mammogram

In 2023, Dr. Gregory R. Klis, MD had a list price for breast imaging, mammogram (breast X-ray), and screening mammogram that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. 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:

preventive care

In 2023, Dr. Gregory R. Klis, MD performed more preventive care procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

blind endometrial biopsy

breast exam

gynecologic procedures

Pap screening

pelvic exam

women's imaging

By Affordability:

blind endometrial biopsy

breast exam

cervical cancer screening

cytology

gynecologic cytology

gynecologic exams

gynecologic pathology

non-obstetric transvaginal ultrasound

Pap screening

Pap test

pelvic exam

transabdominal ultrasound

transvaginal ultrasound

women's imaging

In 2012, among providers in related specialties within California, Dr. Gregory R. Klis, MD performed more blind endometrial biopsy, breast exam, gynecologic procedures, Pap screening, pelvic exam, and women's imaging procedures for Medicare patients than 75% of them and he also had a list price for blind endometrial biopsy, breast exam, cervical cancer screening, cytology, gynecologic cytology, gynecologic exams, gynecologic pathology, non-obstetric transvaginal ultrasound, Pap screening, Pap test, pelvic exam, transabdominal ultrasound, transvaginal ultrasound, and women's imaging 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. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2012 were breast exam, gynecologic procedures, lab tests and minor procedures.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

breast exam	42
doctor visit	242
gynecologic procedures	42
lab tests	23
minor procedures	17

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2013 were breast exam, gynecologic procedures and lab tests.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

breast exam	23
doctor visit	188
gynecologic procedures	23
lab tests	17

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	147

**Ethnicity**
Non-Hispanic White	113
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	23
85 and over	15
Less than 65	29

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2013

Hypertension	67
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	16
Asthma	12
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2014 were gynecologic procedures, lab tests, breast exam and diagnostic procedures.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

breast exam	31
diagnostic procedures	15
doctor visit	217
gynecologic procedures	46
lab tests	43

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	144

**Ethnicity**
Non-Hispanic White	107
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	24
85 and over	16
Less than 65	34

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2014

Hypertension	60
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	13
Asthma	12
Osteoperosis	9
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2015 were breast exam, gynecologic procedures, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

breast exam	64
doctor visit	176
gynecologic procedures	64
lab tests	15
pelvic imaging	23
ultrasound (sonogram)	23
women's imaging	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	324

**Ethnicity**
Non-Hispanic White	262
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	72
85 and over	26
Less than 65	46

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2015

Hypertension	58
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	30
Depression	23
Chronic Kidney Disease	12
Asthma	17
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	20
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2016 were ultrasound (sonogram), pelvic imaging, breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

blood draw	27
breast exam	39
doctor visit	274
gynecologic procedures	39
lab tests	24
pelvic imaging	40
ultrasound (sonogram)	40
women's imaging	23

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	180

**Ethnicity**
Non-Hispanic White	143
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	36
85 and over	11
Less than 65	30

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2016

Hypertension	63
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	23
Asthma	17
Osteoperosis	6
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	0
Cancer	6

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2017 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

blood draw	26
breast exam	88
cytology	54
doctor visit	244
gynecologic pathology	54
gynecologic procedures	88
lab tests	23
pelvic imaging	43
preventive care	54
ultrasound (sonogram)	43
women's imaging	22

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	209

**Ethnicity**
Non-Hispanic White	171
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	43
85 and over	13
Less than 65	33

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2017

Hypertension	61
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	15
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2018 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

blood draw	20
breast exam	82
cytology	73
doctor visit	244
gynecologic pathology	73
gynecologic procedures	82
lab tests	28
pelvic imaging	13
preventive care	73
ultrasound (sonogram)	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	205

**Ethnicity**
Non-Hispanic White	162
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	41
85 and over	13
Less than 65	30

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2018

Hypertension	60
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2019 were preventive care, gynecologic procedures, breast exam and cytology.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

blood draw	16
breast exam	89
breast procedures	23
cytology	80
diagnostic procedures	14
doctor visit	321
gynecologic pathology	80
gynecologic procedures	103
lab tests	39
pelvic imaging	57
placement of vaginal support device	21
preventive care	103
ultrasound (sonogram)	57
women's imaging	48
X-rays	23

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	240

**Ethnicity**
Non-Hispanic White	182
Black	0
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	56
85 and over	12
Less than 65	34

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2019

Hypertension	64
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	38
Depression	19
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	8
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	31
Dementia	5
Cancer	5

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2020 were preventive care, gynecologic procedures, cytology and gynecologic pathology.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

blood draw	17
breast exam	67
breast procedures	47
catheterization	19
cytology	72
diagnostic procedures	17
doctor visit	273
gynecologic pathology	72
gynecologic procedures	84
lab tests	51
pelvic imaging	43
placement of vaginal support device	12
preventive care	119
ultrasound (sonogram)	43
urologic procedures	19
women's imaging	71
X-rays	47

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	227

**Ethnicity**
Non-Hispanic White	181
Black	0
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	46
85 and over	14
Less than 65	30

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2020

Hypertension	56
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	22
Asthma	14
Osteoperosis	12
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2021 were preventive care, women's imaging, gynecologic procedures and breast exam.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

breast exam	66
breast procedures	63
cytology	57
diagnostic procedures	13
doctor visit	234
gynecologic pathology	57
gynecologic procedures	79
lab tests	41
pelvic imaging	43
preventive care	120
ultrasound (sonogram)	43
women's imaging	85
X-rays	63

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	235

**Ethnicity**
Non-Hispanic White	174
Black	0
Hispanic	45
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	50
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2021

Hypertension	55
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	34
Depression	21
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	11
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA during 2022 were preventive care, gynecologic procedures, women's imaging and breast exam.

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

breast exam	83
breast procedures	77
catheterization	13
cytology	76
diagnostic procedures	19
doctor visit	270
gynecologic pathology	76
gynecologic procedures	102
lab tests	69
pelvic imaging	32
preventive care	153
ultrasound (sonogram)	32
urologic procedures	13
women's imaging	92
X-rays	77

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	279

**Ethnicity**
Non-Hispanic White	205
Black	0
Hispanic	49
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	59
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2022

Hypertension	67
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	14
Asthma	15
Osteoperosis	15
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory R. Klis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory R. Klis, MD treated as an obstetrician and gynecologist in Bakersfield, CA were preventive care, cytology, gynecologic procedures and gynecologic pathology.

blood draw	21
breast exam	61
breast procedures	52
catheterization	16
cytology	68
diagnostic procedures	15
doctor visit	243
gynecologic pathology	68
gynecologic procedures	68
lab tests	33
minor procedures	17
pelvic imaging	36
preventive care	103
ultrasound (sonogram)	36
urologic procedures	16
women's imaging	50
X-rays	52

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory R. Klis, MD.

**Gender**
Male	0
Female	199

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	154
Native American / Alaskan Native	0
Hispanic	26
Other	0

**Age**
75 to 84	40
85 and over	10
Less than 65	24
65 to 74	115

Average of Total of Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD From 2012 - 2022

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

Hypertension	55
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	16
Asthma	11
Osteoporosis	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Atrial Fibrillation	3
Dementia	1
Cancer	5

Education & Training

Dr. Gregory R. Klis, MD graduated from University of Minnesota Medical School. He completed residency at Butterworth Hospital. He has a state license in California.

Medical School: University of Minnesota Medical School

Residency: Butterworth Hospital

Licensed In: California

Affiliations & Hospitals

Dr. Gregory R. Klis, MD is associated with these hospitals and organizations:

Dignity Health

Mercy Hospitals of Bakersfield

Ratings & Reviews

Dr. Gregory R. Klis, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Gregory R. Klis, MD from all over the web to help you find the right in Bakersfield, CA.

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Allergan, Inc.	$5,039 LO LOESTRIN FE $20	$5,020
AbbVie, Inc.	$441 Orilissa $167	Lupaneta $132	Lupron $124	$17
AbbVie Inc.	$402 LO LOESTRIN FE $160	ORIAHNN $134	Orilissa $90	BOTOX $18
ASCEND Therapeutics US, LLC	$210 EstroGel $105	PROTIVA $21	Sprix $19	$65
Allergan Inc.	$206 LO LOESTRIN FE $107	Liletta $45	ESTRACE CREAM $18	$37
Other	$2,974 NEXPLANON $209	PARAGARD $148	Osphena $138	Injectafer $132	MYFEMBREE $128	Other $2,219

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$5,010
Food and Beverage	$4,031
Gift	$173
Education	$59

Biography

Dr. Gregory Klis' area of specialization is obstetrics & gynecology. He is conversant in Spanish. Dr. Klis is affiliated with Mercy Hospitals of Bakersfield. Before completing his residency at Butterworth Hospital, Dr. Klis attended medical school at the University of Minnesota Medical School. Patient reviews placed him at an average of 5.0 stars (out of 5). According to Dignity Health, new patients are welcome to contact Dr. Klis's office in Bakersfield, CA.

Select Year:

Dr. Gregory R. Klis, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory R. Klis, MD in 2023

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. Gregory R. Klis, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Klis, 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. Gregory R. Klis, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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