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Home > RI Providers > Ophthalmologists

Dr. Charles Carl Calenda, MD

(No ratings)

Specializes in: Ophthalmology (Eye Disease)

639 Metacom Avenue
Warren, RI 02885

(401) 245-3937

Dr. Charles Carl Calenda, MD is an ophthalmologist in Warren, RI specializing in ophthalmology (eye disease). Dr. Charles Carl Calenda, MD is affiliated with CharterCare.

Office Locations

CharterCare

639 Metacom Avenue
Warren, RI 02885

(401) 245-3937

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In The News

“The patient, not identified in RIDOH documents, had gone to Dr. Charles Calenda for bilateral posterior capsular opacities that developed after a cataract surgery.”—"Warwick doctor fined $1,100 for performing laser surgery on wrong eye", Providence Business News, August 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Charles Carl Calenda, MD in 2023

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

Top 5%

By Affordability:

visual field test

In 2023, Dr. Charles Carl Calenda, MD had a list price for visual field test that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Rhode Island. 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:

diagnostic B-scan

In 2023, Dr. Charles Carl Calenda, MD performed more diagnostic B-scan procedures for Medicare patients than 90% of providers in related specialties within Rhode Island.

Top 25%

By Volume:

comprehensive eye exam

By Affordability:

comprehensive eye exam

eye exam

intermediate eye exam

In 2012, among providers in related specialties within Rhode Island, Dr. Charles Carl Calenda, MD performed more comprehensive eye exam procedures for Medicare patients than 75% of them and he also had a list price for comprehensive eye exam, eye exam, and intermediate eye exam 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 Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2012 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	59
diagnostic imaging	28
doctor visit	58
excision	13
eye procedures	1955
laser treatment	84
removal of lesion (e.g. growth)	13
ultrasound (sonogram)	143

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2013 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	45
diagnostic imaging	41
doctor visit	362
eye procedures	1321
laser treatment	45
ultrasound (sonogram)	181

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	265
Female	485

**Ethnicity**
Non-Hispanic White	706
Black	12
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	251
85 and over	198
Less than 65	42

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2013

Hypertension	75
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	34
Depression	19
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2014 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	57
diagnostic imaging	27
doctor visit	128
eye procedures	1422
laser treatment	57
ultrasound (sonogram)	123

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	267
Female	434

**Ethnicity**
Non-Hispanic White	659
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	231
From 75 to 84	253
85 and over	181
Less than 65	36

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2014

Hypertension	75
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	34
Depression	18
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	34
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2015 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	43
diagnostic imaging	28
doctor visit	165
eye procedures	1334
laser treatment	43
ultrasound (sonogram)	137

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	546
Female	878

**Ethnicity**
Non-Hispanic White	1334
Black	0
Hispanic	50
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	458
From 75 to 84	506
85 and over	366
Less than 65	94

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2015

Hypertension	75
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	33
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2016 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	57
diagnostic imaging	35
doctor visit	377
eye procedures	1685
laser treatment	57
ultrasound (sonogram)	155

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	345
Female	542

**Ethnicity**
Non-Hispanic White	826
Black	0
Hispanic	26
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	303
85 and over	201
Less than 65	50

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	33
Depression	19
Chronic Kidney Disease	28
Asthma	14
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2017 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	75
diagnostic imaging	37
doctor visit	112
eye procedures	1720
laser treatment	129
ultrasound (sonogram)	134

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	314
Female	481

**Ethnicity**
Non-Hispanic White	739
Black	0
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	269
85 and over	181
Less than 65	43

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2017

Hypertension	74
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	33
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2018 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	106
diagnostic imaging	67
doctor visit	101
eye procedures	2447
laser treatment	141
ultrasound (sonogram)	181

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	355
Female	510

**Ethnicity**
Non-Hispanic White	800
Black	0
Hispanic	27
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	349
From 75 to 84	299
85 and over	174
Less than 65	43

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2018

Hypertension	74
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	34
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2019 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	79
diagnostic imaging	78
doctor visit	113
eye procedures	2249
laser treatment	118
ultrasound (sonogram)	152

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	355
Female	497

**Ethnicity**
Non-Hispanic White	788
Black	0
Hispanic	23
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	311
85 and over	132
Less than 65	35

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2019

Hypertension	73
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2020 were eye procedures, ultrasound (sonogram), diagnostic imaging and laser treatment.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	38
diagnostic imaging	74
doctor visit	93
eye procedures	1738
laser treatment	74
ultrasound (sonogram)	105

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	298
Female	403

**Ethnicity**
Non-Hispanic White	645
Black	0
Hispanic	14
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	319
From 75 to 84	255
85 and over	104
Less than 65	23

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2020

Hypertension	71
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	31
Depression	22
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2021 were eye procedures, diagnostic imaging, ultrasound (sonogram) and laser treatment.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	39
diagnostic imaging	65
doctor visit	53
eye procedures	1920
laser treatment	59
ultrasound (sonogram)	65

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	328
Female	452

**Ethnicity**
Non-Hispanic White	709
Black	0
Hispanic	22
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	346
From 75 to 84	302
85 and over	113
Less than 65	19

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2021

Hypertension	71
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	32
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2022 were eye procedures, diagnostic imaging, ultrasound (sonogram) and laser treatment.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	27
diagnostic imaging	83
doctor visit	59
eye procedures	1806
laser treatment	43
ultrasound (sonogram)	83

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	299
Female	415

**Ethnicity**
Non-Hispanic White	653
Black	0
Hispanic	16
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	282
From 75 to 84	299
85 and over	121
Less than 65	12

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	4
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI during 2023 were eye procedures, diagnostic imaging, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

capsulotomy	45
diagnostic imaging	49
doctor visit	84
eye procedures	1775
laser treatment	45
ultrasound (sonogram)	49

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	281
Female	414

**Ethnicity**
Non-Hispanic White	643
Black	0
Hispanic	11
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	260
From 75 to 84	306
85 and over	118
Less than 65	11

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	21
Asthma	12
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	3
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Charles Carl Calenda, MD for Medicare patients.

The highest averages for the top procedures that Dr. Charles Carl Calenda, MD treated as an ophthalmologist in Warren, RI were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

capsulotomy	55
diagnostic imaging	51
doctor visit	142
excision	13
eye procedures	1781
laser treatment	74
removal of lesion (e.g. growth)	13
ultrasound (sonogram)	125

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Charles Carl Calenda, MD.

**Gender**
Male	304
Female	459

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	708
Hispanic	19
Native American / Alaskan Native	0
Other	16

**Age**
75 to 84	279
85 and over	157
Less than 65	34
65 to 74	292

Average of Total of Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD From 2012 - 2023

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

Hypertension	67
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	23
Asthma	8
Osteoporosis	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Atrial Fibrillation	10
Cancer	12
Dementia	6

Education & Training

He has a state license in Rhode Island.

Licensed In: Rhode Island

Affiliations & Hospitals

Dr. Charles Carl Calenda, MD is associated with these hospitals and organizations:

CharterCare

Ratings & Reviews

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General Payments

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

**Payments by Company**
Allergan Inc.	$543 LUMIGAN $282	RESTASIS $262
Alcon Vision LLC	$458 AcrySof IQ VIVITY $140	CLAREON $84	Centurion $78	AcrySof $26	$128
Alcon Laboratories Inc	$320 Pazeo $106	Centurion $48	CataractEquipment $34	Simbrinza $22	AcrySof $18	Other $92
TissueTech, Inc.	$205 AmnioGuard $169	AmnioGraft $36
Abbott Laboratories	$99 $99
Other	$276 Travatan Z $98	LUMIGAN $68	AmnioGraft $44	VUITY $35	ULTRA $17	Other $14

**Types of Payments**
Food and Beverage	$1,901

Biography

Dr. Charles Calenda's medical specialty is ophthalmology (eye disease). Dr. Calenda is affiliated with CharterCare.

Select Year:

Dr. Charles Carl Calenda, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Charles Carl Calenda, 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. Charles Carl Calenda, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Charles Carl Calenda, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Ophthalmologists in Nearby Locations

Other Providers in Warren, RI