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Dr. Thomas Gian Berbos, MD

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Specializes in: Ophthalmology (Eye Disease)

Vanderbilt University School of Medicine

301 Saddle Drive Suite B
Helena, MT 59601

(406) 442-3937

Dr. Thomas Gian Berbos, MD is an ophthalmologist in Helena, MT specializing in ophthalmology (eye disease). He graduated from Vanderbilt University School of Medicine. Dr. Thomas Gian Berbos, MD is affiliated with St. Peter's Health System.

Office Locations

301 Saddle Drive Suite B
Helena, MT 59601

(406) 442-3937

(406) 442-3366

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Noteworthy Medicare Patient Procedures Performed by Dr. Thomas Gian Berbos, MD in 2024

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

Top 5%

By Volume:

eye procedures

SCODI of the anterior segment

In 2024, Dr. Thomas Gian Berbos, MD performed more eye procedures, and SCODI of the anterior segment (SCODI-A) procedures for Medicare patients than 95% of providers in related specialties within Montana.

Top 25%

By Volume:

intravitreal drug injection

In 2012, Dr. Thomas Gian Berbos, MD performed more intravitreal drug injection procedures for Medicare patients than 75% of providers in related specialties within Montana.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2012 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	36
doctor visit	504
eye procedures	3021
injections	144
laser treatment	36
ultrasound (sonogram)	35

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2013 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	62
doctor visit	636
eye procedures	3309
injections	241
laser treatment	62
ultrasound (sonogram)	20

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	462
Female	693

**Ethnicity**
Non-Hispanic White	1120
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	564
From 75 to 84	328
85 and over	167
Less than 65	96

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2013

Hypertension	43
High Cholesterol	29
Stroke	3
Ischemic Heart Disease	24
Depression	18
Chronic Kidney Disease	15
Asthma	4
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2014 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	45
doctor visit	483
eye procedures	3338
injections	241
laser treatment	45
ultrasound (sonogram)	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	482
Female	734

**Ethnicity**
Non-Hispanic White	1168
Black	0
Hispanic	0
Asian	0
Other	23
Native American	12

**Age**
From 65 to 74	594
From 75 to 84	342
85 and over	190
Less than 65	90

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2014

Hypertension	43
High Cholesterol	30
Stroke	2
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2015 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	48
doctor visit	513
eye procedures	3781
injections	367
laser treatment	48
ultrasound (sonogram)	26

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	988
Female	1630

**Ethnicity**
Non-Hispanic White	2498
Black	0
Hispanic	0
Asian	0
Other	58
Native American	28

**Age**
From 65 to 74	1294
From 75 to 84	740
85 and over	402
Less than 65	182

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2015

Hypertension	44
High Cholesterol	32
Stroke	3
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2016 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	61
doctor visit	488
eye procedures	4081
injections	400
laser treatment	61
ultrasound (sonogram)	21

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	526
Female	884

**Ethnicity**
Non-Hispanic White	1355
Black	0
Hispanic	0
Asian	0
Other	26
Native American	12

**Age**
From 65 to 74	705
From 75 to 84	387
85 and over	209
Less than 65	109

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2016

Hypertension	44
High Cholesterol	33
Stroke	2
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	17
Asthma	14
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2017 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	46
doctor visit	459
eye procedures	4404
injections	477
laser treatment	46
ultrasound (sonogram)	22

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	546
Female	919

**Ethnicity**
Non-Hispanic White	1398
Black	0
Hispanic	11
Asian	0
Other	31
Native American	12

**Age**
From 65 to 74	746
From 75 to 84	431
85 and over	202
Less than 65	86

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2017

Hypertension	47
High Cholesterol	32
Stroke	3
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2018 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	48
doctor visit	463
eye procedures	5402
injections	729
laser treatment	48
ultrasound (sonogram)	17

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	581
Female	973

**Ethnicity**
Non-Hispanic White	1485
Black	0
Hispanic	0
Asian	0
Other	35
Native American	12

**Age**
From 65 to 74	755
From 75 to 84	512
85 and over	219
Less than 65	68

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2018

Hypertension	49
High Cholesterol	34
Stroke	2
Ischemic Heart Disease	22
Depression	18
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2019 were eye procedures, injections, laser treatment and capsulotomy.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	56
doctor visit	422
excision	37
eye procedures	5480
injections	815
laser treatment	93
ultrasound (sonogram)	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	615
Female	986

**Ethnicity**
Non-Hispanic White	1527
Black	0
Hispanic	0
Asian	0
Other	41
Native American	13

**Age**
From 65 to 74	776
From 75 to 84	544
85 and over	206
Less than 65	75

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2019

Hypertension	48
High Cholesterol	34
Stroke	3
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2020 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	55
doctor visit	400
eye procedures	5721
injections	989
laser treatment	55
ultrasound (sonogram)	24

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	587
Female	983

**Ethnicity**
Non-Hispanic White	1498
Black	0
Hispanic	0
Asian	0
Other	40
Native American	14

**Age**
From 65 to 74	782
From 75 to 84	511
85 and over	213
Less than 65	64

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2020

Hypertension	43
High Cholesterol	33
Stroke	2
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	18
Asthma	6
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2021 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	64
doctor visit	386
eye procedures	6031
injections	1043
laser treatment	64
photocoagulation	11
prophylaxis (preventive treatment)	11
ultrasound (sonogram)	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	637
Female	1021

**Ethnicity**
Non-Hispanic White	1575
Black	0
Hispanic	0
Asian	0
Other	43
Native American	18

**Age**
From 65 to 74	819
From 75 to 84	558
85 and over	226
Less than 65	55

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2021

Hypertension	47
High Cholesterol	35
Stroke	2
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	12
Atrial Fibrilation	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2022 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	80
doctor visit	392
eye procedures	6845
injections	1173
laser treatment	80
ultrasound (sonogram)	13

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	687
Female	1088

**Ethnicity**
Non-Hispanic White	1696
Black	0
Hispanic	0
Asian	0
Other	46
Native American	13

**Age**
From 65 to 74	797
From 75 to 84	671
85 and over	248
Less than 65	59

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2022

Hypertension	62
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	17
Depression	17
Chronic Kidney Disease	11
Asthma	10
Osteoperosis	18
Atrial Fibrilation	13
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2023 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	74
doctor visit	275
eye procedures	7607
injections	1424
laser treatment	74
ultrasound (sonogram)	27

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	707
Female	1129

**Ethnicity**
Non-Hispanic White	1745
Black	0
Hispanic	13
Asian	0
Other	56
Native American	0

**Age**
From 65 to 74	799
From 75 to 84	725
85 and over	265
Less than 65	47

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2023

Hypertension	63
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	15
Depression	16
Chronic Kidney Disease	11
Asthma	11
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Dementia	4
Cancer	15

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT during 2024 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

capsulotomy	98
doctor visit	288
eye procedures	8292
injections	1602
laser treatment	98
ultrasound (sonogram)	20

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Male	720
Female	1200

**Ethnicity**
Non-Hispanic White	1832
Black	0
Hispanic	15
Asian	0
Other	58
Native American	0

**Age**
From 65 to 74	815
From 75 to 84	780
85 and over	282
Less than 65	43

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2024

Hypertension	63
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	15
Depression	17
Chronic Kidney Disease	13
Asthma	12
Osteoperosis	20
Atrial Fibrilation	14
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Thomas Gian Berbos, MD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas Gian Berbos, MD treated as an ophthalmologist in Helena, MT were eye procedures, injections, laser treatment and capsulotomy.

capsulotomy	59
doctor visit	439
excision	37
eye procedures	5177
injections	741
laser treatment	62
photocoagulation	11
prophylaxis (preventive treatment)	11
ultrasound (sonogram)	20

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Thomas Gian Berbos, MD.

**Gender**
Female	941
Male	579

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	1453
Hispanic	3
Native American / Alaskan Native	10
Other	36

**Age**
85 and over	217
75 to 84	502
Less than 65	74
65 to 74	726

Average of Total of Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD From 2012 - 2024

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

Hypertension	45
High Cholesterol	35
Stroke	2
Ischemic Heart Disease	18
Depression	16
Chronic Kidney Disease	14
Asthma	7
Osteoporosis	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Atrial Fibrillation	8
Cancer	9
Dementia	6

Education & Training

Dr. Thomas Gian Berbos, MD graduated from Vanderbilt University School of Medicine. He completed residency at University of Cincinnati Affiliated Hospitals. He is certified by the American Board of Ophthalmology and has a state license in Montana.

Medical School: Vanderbilt University School of Medicine

Residency: University of Cincinnati Affiliated Hospitals

Board Certification: American Board of Ophthalmology

Licensed In: Montana

Affiliations & Hospitals

Dr. Thomas Gian Berbos, MD is associated with these hospitals and organizations:

St. Peter's Health System

Ratings & Reviews

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General Payments

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

**Payments by Company**
Astellas Pharma US Inc	$137 Izervay $137
Regeneron Healthcare Solutions, Inc.	$134 Eylea $125	EYLEA (aflibercept) Injection $9
EyePoint Pharmaceuticals US, Inc.	$124 DEXYCU $124
Allergan Inc.	$124 RESTASIS $91	$33
Regeneron Pharmaceuticals, Inc.	$121 EYLEA (aflibercept) Injection $121
Other	$571 BEOVU $108	Duovisc $78	STELLARIS $58	Rocklatan $41	Discovisc $30	Other $256

**Types of Payments**
Food and Beverage	$1,164
Travel and Lodging	$28
Gift	$19

Biography

Dr. Thomas Berbos' area of specialization is ophthalmology (eye disease). He obtained his medical school training at Vanderbilt University School of Medicine and performed his residency at a hospital affiliated with the University of Cincinnati. He is affiliated with St. Peter's Health.

Select Year:

Dr. Thomas Gian Berbos, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Thomas Gian Berbos, MD in 2024

By Volume:

By Volume:

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. Thomas Gian Berbos, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Thomas Gian Berbos, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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