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Home > TX Providers > Retina Specialists

Dr. Calvin Einar Mein, MD

(3 Ratings)

Specializes in: Vitreoretinal Diseases (Retina and Vitreous) and General Ophthalmology

University of Illinois College of Medicine at Peoria

21 Spurs Lane
San Antonio, TX 78240

1-800-833-5921

Dr. Calvin Einar Mein, MD is a retina specialist in San Antonio, TX specializing in vitreoretinal diseases (retina and vitreous) and general ophthalmology. He graduated from University of Illinois College of Medicine at Peoria. Dr. Calvin Einar Mein, MD is affiliated with CHRISTUS Health, Baptist Hospital, Retina Consultants of Texas, Southwest Texas Methodist Hospital and Christa Santa Rosa Surgery Center.

Office Locations

21 Spurs Lane
San Antonio, TX 78240

1-800-833-5921

(713) 513-5613

open_in_new

CHRISTUS Health

9480 Huebner Road Suite 310
San Antonio, TX 78240

1-800-833-5921

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In The News

“Patient education about Medicare coverage should be considered in any response to the loss of copayment funding, suggested Calvin Mein, MD, of Retina Consultants of Texas in San Antonio, during the...”—"Retina Specialists Sound the Alarm on Loss of Copayment Support for AMD Drugs", MedPage Today, August 2025

“-- Calvin Mein, MD, of Retina Specialists of Texas in San Antonio, discussing the loss of a major copay assistance program for retinal care.”—"Opinion | 'This Is a Really Reckless Decision': What We Heard This Week", MedPage Today, August 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Calvin Einar Mein, MD in 2023

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

Top 10%

By Volume:

eye procedures

SCODI of the posterior segment

In 2023, Dr. Calvin Einar Mein, MD performed more eye procedures, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 90% of providers in related specialties within Texas.

Top 25%

By Volume:

intravitreal drug injection

By Affordability:

fundus photography

In 2012, among providers in related specialties within Texas, Dr. Calvin Einar Mein, MD performed more intravitreal drug injection procedures for Medicare patients than 75% of them and he also had a list price for fundus photography 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. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2012 were eye procedures, injections and photocoagulation.

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

eye procedures	6875
injections	1582
photocoagulation	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2013 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

diagnostic imaging	12
eye procedures	6385
injections	1532
ultrasound (sonogram)	12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	420
Female	510

**Ethnicity**
Non-Hispanic White	763
Black	0
Hispanic	136
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	329
From 75 to 84	331
85 and over	220
Less than 65	50

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2013

Hypertension	71
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	41
Depression	14
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	33
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2014 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

capsulotomy	12
diagnostic imaging	22
eye procedures	6061
injections	1415
laser treatment	12
photocoagulation	17
ultrasound (sonogram)	22

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	439
Female	555

**Ethnicity**
Non-Hispanic White	803
Black	0
Hispanic	155
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	356
From 75 to 84	319
85 and over	268
Less than 65	51

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2014

Hypertension	71
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	36
Depression	15
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2015 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

capsulotomy	15
diagnostic imaging	20
eye procedures	6366
injections	1607
laser treatment	15
ultrasound (sonogram)	20

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	892
Female	1092

**Ethnicity**
Non-Hispanic White	1592
Black	0
Hispanic	314
Asian	0
Other	40
Native American	0

**Age**
From 65 to 74	748
From 75 to 84	642
85 and over	510
Less than 65	84

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2015

Hypertension	73
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	41
Depression	14
Chronic Kidney Disease	29
Asthma	11
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2016 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

capsulotomy	13
diagnostic imaging	14
eye procedures	6699
injections	1630
laser treatment	13
ultrasound (sonogram)	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	495
Female	601

**Ethnicity**
Non-Hispanic White	891
Black	0
Hispanic	163
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	406
From 75 to 84	356
85 and over	287
Less than 65	47

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2016

Hypertension	73
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	40
Depression	14
Chronic Kidney Disease	32
Asthma	14
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2017 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

capsulotomy	13
eye procedures	6491
injections	1568
laser treatment	13
photocoagulation	12

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	461
Female	636

**Ethnicity**
Non-Hispanic White	886
Black	0
Hispanic	170
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	385
From 75 to 84	371
85 and over	289
Less than 65	52

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2017

Hypertension	72
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	38
Depression	16
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	35
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2018 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

capsulotomy	16
eye procedures	4895
injections	1014
laser treatment	16

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	339
Female	444

**Ethnicity**
Non-Hispanic White	615
Black	0
Hispanic	128
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	280
From 75 to 84	283
85 and over	179
Less than 65	41

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2018

Hypertension	71
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	39
Depression	16
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	32
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2019 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

capsulotomy	13
diagnostic imaging	22
eye procedures	4601
injections	986
laser treatment	13
ultrasound (sonogram)	22

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	349
Female	436

**Ethnicity**
Non-Hispanic White	610
Black	14
Hispanic	138
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	283
From 75 to 84	313
85 and over	155
Less than 65	34

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2019

Hypertension	72
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	39
Depression	17
Chronic Kidney Disease	38
Asthma	6
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	31
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2020 were eye procedures, injections, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

capsulotomy	12
eye procedures	4208
injections	1057
laser treatment	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	313
Female	380

**Ethnicity**
Non-Hispanic White	530
Black	16
Hispanic	128
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	265
85 and over	140
Less than 65	29

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2020

Hypertension	70
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	40
Depression	15
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	32
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2021 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

diagnostic imaging	11
eye procedures	4484
injections	1138
ultrasound (sonogram)	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	341
Female	450

**Ethnicity**
Non-Hispanic White	619
Black	0
Hispanic	147
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	321
85 and over	164
Less than 65	28

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2021

Hypertension	71
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	38
Depression	17
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	32
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX during 2022 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

diagnostic imaging	14
doctor visit	40
eye procedures	4287
injections	1120
ultrasound (sonogram)	14

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	327
Female	460

**Ethnicity**
Non-Hispanic White	624
Black	0
Hispanic	131
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	317
85 and over	157
Less than 65	28

Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	30
Depression	17
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	16
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Calvin Einar Mein, MD for Medicare patients.

The highest averages for the top procedures that Dr. Calvin Einar Mein, MD treated as a retina specialist in San Antonio, TX were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

capsulotomy	13
diagnostic imaging	16
doctor visit	40
eye procedures	5577
injections	1331
laser treatment	13
photocoagulation	14
ultrasound (sonogram)	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Calvin Einar Mein, MD.

**Gender**
Male	397
Female	505

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	721
Native American / Alaskan Native	0
Hispanic	146
Other	13

**Age**
75 to 84	319
85 and over	215
Less than 65	40
65 to 74	328

Average of Total of Conditions of Medicare patients treated by Dr. Calvin Einar Mein, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Calvin Einar Mein, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	65
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	30
Asthma	7
Osteoporosis	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	29
Atrial Fibrillation	11
Dementia	9
Cancer	10

Education & Training

Dr. Calvin Einar Mein, MD graduated from University of Illinois College of Medicine at Peoria. He completed residency at Brooke Army Medical Center. He is certified by the Certification: American Board of Ophthalmology and has a state license in Texas.

Medical School: University of Illinois College of Medicine at Peoria

Residency: Brooke Army Medical Center

Board Certification: Certification: American Board of Ophthalmology

Licensed In: Texas

Affiliations & Hospitals

Dr. Calvin Einar Mein, MD is associated with these hospitals and organizations:

CHRISTUS Health

Baptist Hospital

Retina Consultants of Texas

Southwest Texas Methodist Hospital

Christa Santa Rosa Surgery Center

Ratings & Reviews

Dr. Calvin Einar Mein, MD has a good overall rating with an average of 3.0 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Calvin Einar Mein, MD from all over the web to help you find the right in San Antonio, TX.

Overall Rating

(3 Ratings)

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General Payments

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

**Payments by Company**
US Retina LLC	$10,035 $10,035
Allergan Inc.	$8,087 OZURDEX $6,446	NATRELLE IMPLANTS $140	$1,501
Genentech USA, Inc.	$3,618 LUCENTIS $2,928	VABYSMO $200	SUSVIMO $18	Nutropin Aq $14	$458
Alcon Laboratories Inc	$2,680 Vitreoretinal Equipment $439	Wavelight $121	Simbrinza $118	Cataract Equipment $117	ORA $100	Other $1,785
Alimera Sciences, Inc.	$1,994 ILUVIEN $1,956	$38
Other	$9,426 Eylea $1,463	BEOVU $1,086	Constellation $494	JETREA $448	TISSUEBLUE $287	Other $5,648

**Types of Payments**
Food and Beverage	$15,853
Acquisitions	$6,652
Consulting Fee	$5,142
Current or prospective ownership or investment interest	$3,384
Travel and Lodging	$3,167
Other	$1,643

Research Payments

Dr. Calvin Einar Mein, MD has received 469 research payments totaling $1,382,509.

Ownership and Interest Payments

This table describes ownership payments received by Dr. Calvin Einar Mein, MD.

US Retina LLC	2017	$12,500.00	Physician Covered Recipient	Shares
US Retina LLC	2018	$12,500.00	Physician Covered Recipient	Shares
US Retina LLC	2016	$12,500.00	Physician Covered Recipient	Shares
US Retina LLC	2015	$12,500.00	Physician Covered Recipient	Shares
US Retina LLC	2019	$12,500.00	Physician Covered Recipient	Shares
US Retina LLC	2022	$10,000.00	Physician Covered Recipient	Shares
US Retina LLC	2020	$10,000.00	Physician Covered Recipient	Shares

Biography

Dr. Calvin Mein, who practices in San Antonio, TX, is a medical specialist in general ophthalmology and vitreoretinal diseases (retina and vitreous). Dr. Mein's average patient rating is 3.0 stars (out of 5). Before completing his residency at Brooke Army Medical Center, Dr. Mein attended medical school at the University of Illinois College of Medicine at Peoria. He has received professional recognition including the following: Texas Super Doctors. Dr. Mein is professionally affiliated with CHRISTUS Health and Baptist Hospital.