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Dr. Sandhya C. Ayyar, MD

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Specializes in: Adult Infectious Disease

International

Professional interests include: liver disease, infections, preventive care, and more.

10099 Ridgegate Parkway Suite 370
Lone Tree, CO 80124

(303) 799-7372

Dr. Sandhya C. Ayyar, MD is an adult infectious disease specialist in Lone Tree, CO specializing in adult infectious disease. She graduated from International. Dr. Sandhya C. Ayyar, MD is affiliated with HealthOne, CommonSpirit Health - Mountain Region and HCA HealthONE Centennial, A part of Aurora Hospital HCA HealthONE Aurora HCA HealthONE Swedish HCA HealthONE Sky Ridge.

Office Locations

CommonSpirit Health - Mountain Region

10099 Ridgegate Parkway Suite 370
Lone Tree, CO 80124

(303) 799-7372

(303) 799-7371

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CommonSpirit Health - Mountain Region

1550 S Potomac Street Suite 270
Aurora, CO 80012

(303) 750-1800

(303) 750-8000

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CommonSpirit Health - Mountain Region

7720 S Broadway Suite 110
Centennial, CO 80122

(720) 532-1518

(720) 638-4867

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Noteworthy Medicare Patient Procedures Performed by Dr. Sandhya C. Ayyar, MD in 2024

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

Top 5%

By Volume:

intravenous infusion

In 2024, Dr. Sandhya C. Ayyar, MD performed more intravenous (IV) infusion procedures for Medicare patients than 95% of providers in related specialties within Colorado.

Top 25%

By Volume:

blood draw

inpatient hospital care

phlebotomy for lab tests

In 2012, Dr. Sandhya C. Ayyar, MD performed more blood draw, inpatient hospital care (for patient admitted to hospital), and phlebotomy for lab tests procedures for Medicare patients than 75% of providers in related specialties within Colorado.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2012 were minimally invasive procedures, hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

catheterization	16
doctor visit	312
hospital care	672
inpatient care	672
minimally invasive procedures	933

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2013 were minimally invasive procedures, hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

catheterization	13
doctor visit	307
hospital care	697
inpatient care	697
minimally invasive procedures	860

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	179
Female	153

**Ethnicity**
Non-Hispanic White	287
Black	12
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	106
85 and over	40
Less than 65	61

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	51
Depression	45
Chronic Kidney Disease	63
Asthma	13
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	36
Chronic Obstructive Pulmonary Disease	33
Diabetes	42
Dementia	23
Cancer	21

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2014 were minimally invasive procedures, hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

catheterization	13
doctor visit	374
hospital care	628
inpatient care	628
minimally invasive procedures	926

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	181
Female	165

**Ethnicity**
Non-Hispanic White	288
Black	23
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	113
85 and over	31
Less than 65	74

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2014

Hypertension	75
High Cholesterol	57
Stroke	9
Ischemic Heart Disease	44
Depression	45
Chronic Kidney Disease	68
Asthma	12
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	41
Chronic Obstructive Pulmonary Disease	28
Diabetes	44
Dementia	25
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2015 were minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

doctor visit	354
hospital care	640
inpatient care	640
minimally invasive procedures	743

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	336
Female	402

**Ethnicity**
Non-Hispanic White	600
Black	38
Hispanic	66
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	250
85 and over	104
Less than 65	128

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	12
Ischemic Heart Disease	50
Depression	42
Chronic Kidney Disease	68
Asthma	23
Osteoperosis	12
Atrial Fibrilation	25
Heart Failure	40
Chronic Obstructive Pulmonary Disease	28
Diabetes	43
Dementia	27
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2016 were minimally invasive procedures, hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

catheterization	13
doctor visit	357
hospital care	821
inpatient care	821
minimally invasive procedures	938

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	185
Female	212

**Ethnicity**
Non-Hispanic White	339
Black	23
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	135
85 and over	48
Less than 65	83

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2016

Hypertension	75
High Cholesterol	55
Stroke	11
Ischemic Heart Disease	50
Depression	46
Chronic Kidney Disease	71
Asthma	32
Osteoperosis	12
Atrial Fibrilation	25
Heart Failure	40
Chronic Obstructive Pulmonary Disease	29
Diabetes	43
Dementia	27
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2017 were minimally invasive procedures, hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

catheterization	15
doctor visit	463
hospital care	808
inpatient care	808
minimally invasive procedures	1455

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	209
Female	223

**Ethnicity**
Non-Hispanic White	361
Black	27
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	172
From 75 to 84	124
85 and over	61
Less than 65	75

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	12
Ischemic Heart Disease	52
Depression	40
Chronic Kidney Disease	71
Asthma	14
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	43
Chronic Obstructive Pulmonary Disease	28
Diabetes	44
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2018 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

blood draw	25
doctor visit	366
hospital care	817
inpatient care	817
minimally invasive procedures	1068

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	204
Female	195

**Ethnicity**
Non-Hispanic White	327
Black	23
Hispanic	23
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	128
85 and over	42
Less than 65	68

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2018

Hypertension	75
High Cholesterol	64
Stroke	12
Ischemic Heart Disease	53
Depression	42
Chronic Kidney Disease	72
Asthma	10
Osteoperosis	19
Atrial Fibrilation	25
Heart Failure	44
Chronic Obstructive Pulmonary Disease	29
Diabetes	44
Dementia	27
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2019 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

blood draw	28
catheterization	13
doctor visit	382
hospital care	834
inpatient care	834
minimally invasive procedures	1465

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	180
Female	212

**Ethnicity**
Non-Hispanic White	325
Black	24
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	120
85 and over	58
Less than 65	67

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2019

Hypertension	75
High Cholesterol	61
Stroke	11
Ischemic Heart Disease	49
Depression	44
Chronic Kidney Disease	72
Asthma	15
Osteoperosis	14
Atrial Fibrilation	24
Heart Failure	49
Chronic Obstructive Pulmonary Disease	26
Diabetes	45
Dementia	27
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2020 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

blood draw	28
catheterization	13
doctor visit	397
hospital care	754
inpatient care	754
minimally invasive procedures	1634

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	172
Female	195

**Ethnicity**
Non-Hispanic White	290
Black	32
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	118
85 and over	44
Less than 65	54

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2020

Hypertension	75
High Cholesterol	62
Stroke	12
Ischemic Heart Disease	46
Depression	44
Chronic Kidney Disease	71
Asthma	14
Osteoperosis	13
Atrial Fibrilation	19
Heart Failure	46
Chronic Obstructive Pulmonary Disease	29
Diabetes	44
Dementia	28
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2021 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

blood draw	30
doctor visit	459
hospital care	666
inpatient care	666
minimally invasive procedures	2419

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	174
Female	146

**Ethnicity**
Non-Hispanic White	255
Black	15
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	100
85 and over	42
Less than 65	42

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2021

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	51
Depression	43
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	45
Chronic Obstructive Pulmonary Disease	26
Diabetes	43
Dementia	27
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2022 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

blood draw	55
doctor visit	412
hospital care	635
inpatient care	635
minimally invasive procedures	1470

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	176
Female	163

**Ethnicity**
Non-Hispanic White	274
Black	20
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	103
85 and over	49
Less than 65	53

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2022

Hypertension	75
High Cholesterol	70
Stroke	15
Ischemic Heart Disease	39
Depression	41
Chronic Kidney Disease	48
Asthma	16
Osteoperosis	13
Atrial Fibrilation	36
Heart Failure	44
Chronic Obstructive Pulmonary Disease	31
Diabetes	42
Dementia	18
Cancer	20

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2023 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

blood draw	36
doctor visit	355
hospital care	585
inpatient care	585
minimally invasive procedures	1258

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	165
Female	186

**Ethnicity**
Non-Hispanic White	286
Black	23
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	118
85 and over	64
Less than 65	49

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	39
Depression	44
Chronic Kidney Disease	46
Asthma	19
Osteoperosis	21
Atrial Fibrilation	34
Heart Failure	42
Chronic Obstructive Pulmonary Disease	31
Diabetes	43
Dementia	24
Cancer	21

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO during 2024 were minimally invasive procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

blood draw	37
doctor visit	348
hospital care	583
inpatient care	583
minimally invasive procedures	1223

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	142
Female	163

**Ethnicity**
Non-Hispanic White	246
Black	16
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	119
85 and over	49
Less than 65	28

Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	45
Depression	44
Chronic Kidney Disease	48
Asthma	18
Osteoperosis	18
Atrial Fibrilation	32
Heart Failure	45
Chronic Obstructive Pulmonary Disease	38
Diabetes	47
Dementia	24
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Sandhya C. Ayyar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sandhya C. Ayyar, MD treated as an adult infectious disease specialist in Lone Tree, CO were minimally invasive procedures, hospital care, inpatient care and blood draw.

blood draw	34
catheterization	13
doctor visit	375
hospital care	703
inpatient care	703
minimally invasive procedures	1260

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Sandhya C. Ayyar, MD.

**Gender**
Male	177
Female	185

**Ethnicity**
Black / African American	21
Asian / Pacific Islander	0
Non-Hispanic White	298
Hispanic	24
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	118
85 and over	48
Less than 65	60
65 to 74	136

Average of Total of Conditions of Medicare patients treated by Dr. Sandhya C. Ayyar, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	58
Stroke	11
Ischemic Heart Disease	43
Depression	40
Chronic Kidney Disease	59
Asthma	15
Osteoporosis	13
Heart Failure	39
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Atrial Fibrillation	22
Dementia	23
Cancer	17

Education & Training

Dr. Sandhya C. Ayyar, MD graduated from International. She completed residency at St. Joseph's Hospital. She has a state license in Colorado.

Medical School: International

Residency: St. Joseph's Hospital (2006)

Licensed In: Colorado

Affiliations & Hospitals

Dr. Sandhya C. Ayyar, MD is associated with these hospitals and organizations:

HealthOne

CommonSpirit Health - Mountain Region

HCA HealthONE Centennial, A part of Aurora Hospital HCA HealthONE Aurora HCA HealthONE Swedish HCA HealthONE Sky Ridge

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General Payments

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

**Payments by Company**
Theravance Biopharma Inc.	$122 VIBATIV $122
Allergan Inc.	$56 AVYCAZ $41	DALVANCE $15
Actavis Pharma Inc	$52 DALVANCE $33	TEFLARO $18

**Types of Payments**
Food and Beverage	$229

Biography

Dr. Sandhya Ayyar is a specialist in adult infectious disease. She works in Aurora, CO, Lone Tree, CO, and Centennial, CO. Her areas of expertise include the following: primary care, bacterial infection, and hepatitis. Dr. Ayyar obtained her medical school training at International and performed her residency at St. Joseph's Hospital. She is conversant in Spanish. She is professionally affiliated with CommonSpirit Health - Mountain Region and HealthOne.