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Dr. Unni Krishna Kaimal Udayasankar, MD

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(Unni Krishna Kaimal Udayasankar, MD)

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Specializes in: Pediatric Radiology, Diagnostic Radiology, Neuroradiology, General Practice and Pediatrics (Child & Adolescent Medicine)

1625 North Campbell Avenue
Tucson, AZ 85719

(520) 694-4034

Dr. Unni Krishna Kaimal Udayasankar, MD is a pediatric radiologist in Tucson, AZ specializing in pediatric radiology, diagnostic radiology, neuroradiology, general practice and pediatrics (child & adolescent medicine). Dr. Unni Krishna Kaimal Udayasankar, MD is affiliated with Banner - University Medical Group (BUMG) and Banner-University Medical Center Tucson Campus.

Office Locations

1625 North Campbell Avenue
Tucson, AZ 85719

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Noteworthy Medicare Patient Procedures Performed by Dr. Unni Krishna Kaimal Udayasankar, MD in 2023

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

Top 5%

By Volume:

brain MRI

By Affordability:

In 2023, among providers in related specialties within Arizona, Dr. Unni Krishna Kaimal Udayasankar, MD performed more brain MRI procedures for Medicare patients than 95% of them and he also had a list price for brain MRI, CT scan, head/brain CT scan, lumbar spine (low-back) CT scan, and MRI (magnetic resonance imaging) that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

brain imaging

In 2023, Dr. Unni Krishna Kaimal Udayasankar, MD performed more brain imaging (neuroimaging) procedures for Medicare patients than 90% of providers in related specialties within Arizona.

Top 25%

By Volume:

spine CT scan

By Affordability:

cervical spine CT scan

spine CT scan

In 2013, among providers in related specialties within Arizona, Dr. Unni Krishna Kaimal Udayasankar, MD performed more spine CT scan procedures for Medicare patients than 75% of them and he also had a list price for cervical (neck) spine CT scan, and spine CT scan 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

2015 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2015 were CT scan, brain imaging (neuroimaging), spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

brain imaging (neuroimaging)	250
CT scan	258
MRI (magnetic resonance imaging)	72
neck imaging	23
spinal procedures	101
vascular procedures	44

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	266
Female	292

**Ethnicity**
Non-Hispanic White	388
Black	0
Hispanic	96
Asian	0
Other	0
Native American	32

**Age**
From 65 to 74	210
From 75 to 84	156
85 and over	86
Less than 65	106

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2015

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2015 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	58
Stroke	24
Ischemic Heart Disease	47
Depression	36
Chronic Kidney Disease	47
Asthma	22
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	28
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	24
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2016 were brain imaging (neuroimaging), CT scan, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

brain imaging (neuroimaging)	409
CT scan	390
MRI (magnetic resonance imaging)	92
neck imaging	34
spinal procedures	103
vascular procedures	78

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	199
Female	205

**Ethnicity**
Non-Hispanic White	304
Black	0
Hispanic	63
Asian	0
Other	0
Native American	16

**Age**
From 65 to 74	140
From 75 to 84	137
85 and over	59
Less than 65	68

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2016

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2016 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	75
High Cholesterol	56
Stroke	23
Ischemic Heart Disease	49
Depression	32
Chronic Kidney Disease	47
Asthma	27
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	35
Dementia	31
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2017 were CT scan, brain imaging (neuroimaging), spinal procedures and vascular procedures.

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

brain imaging (neuroimaging)	344
CT scan	372
MRI (magnetic resonance imaging)	54
neck imaging	34
spinal procedures	100
vascular procedures	70

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	165
Female	170

**Ethnicity**
Non-Hispanic White	240
Black	0
Hispanic	49
Asian	0
Other	0
Native American	21

**Age**
From 65 to 74	137
From 75 to 84	86
85 and over	56
Less than 65	56

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2017

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2017 were hypertension, chronic kidney disease, high cholesterol and ischemic heart disease.

Hypertension	75
High Cholesterol	51
Stroke	21
Ischemic Heart Disease	51
Depression	42
Chronic Kidney Disease	51
Asthma	13
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	37
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2018 were CT scan, brain imaging (neuroimaging), spinal procedures and vascular procedures.

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

brain imaging (neuroimaging)	186
CT scan	219
MRI (magnetic resonance imaging)	28
neck imaging	18
spinal procedures	65
vascular procedures	33

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	104
Female	87

**Ethnicity**
Non-Hispanic White	130
Black	0
Hispanic	30
Asian	0
Other	0
Native American	13

**Age**
From 65 to 74	76
From 75 to 84	51
85 and over	22
Less than 65	42

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2018

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2018 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	58
Stroke	21
Ischemic Heart Disease	48
Depression	39
Chronic Kidney Disease	50
Asthma	11
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	27
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2019 were ultrasound (sonogram), abdominal imaging, CT scan and vascular procedures.

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

abdominal imaging	170
brain imaging (neuroimaging)	97
CT scan	151
pelvic imaging	48
spinal procedures	54
ultrasound (sonogram)	248
vascular procedures	142

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	181
Female	199

**Ethnicity**
Non-Hispanic White	247
Black	20
Hispanic	79
Asian	0
Other	0
Native American	22

**Age**
From 65 to 74	136
From 75 to 84	108
85 and over	49
Less than 65	87

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2019

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2019 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	62
Stroke	15
Ischemic Heart Disease	54
Depression	39
Chronic Kidney Disease	61
Asthma	10
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	36
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	26
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2020 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and ultrasound (sonogram).

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

abdominal imaging	13
brain imaging (neuroimaging)	87
CT scan	56
MRI (magnetic resonance imaging)	31
ultrasound (sonogram)	25
vascular procedures	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	107
Female	99

**Ethnicity**
Non-Hispanic White	145
Black	0
Hispanic	35
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	81
From 75 to 84	65
85 and over	23
Less than 65	37

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2020

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2020 were hypertension, chronic kidney disease, high cholesterol and ischemic heart disease.

Hypertension	72
High Cholesterol	56
Stroke	15
Ischemic Heart Disease	47
Depression	38
Chronic Kidney Disease	56
Asthma	8
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2021 were brain imaging (neuroimaging), CT scan and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

brain imaging (neuroimaging)	110
CT scan	80
MRI (magnetic resonance imaging)	30

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	82
Female	73

**Ethnicity**
Non-Hispanic White	119
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	46
85 and over	24
Less than 65	17

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2021

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2021 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	61
Stroke	21
Ischemic Heart Disease	53
Depression	42
Chronic Kidney Disease	54
Asthma	14
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	31
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2022 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

brain imaging (neuroimaging)	58
CT scan	52
MRI (magnetic resonance imaging)	17
spinal procedures	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	47
Female	49

**Ethnicity**
Non-Hispanic White	78
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	29
85 and over	15
Less than 65	15

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2022

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2022 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	74
High Cholesterol	66
Stroke	28
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	24
Atrial Fibrilation	27
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	20
Cancer	23

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ during 2023 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

brain imaging (neuroimaging)	200
CT scan	168
MRI (magnetic resonance imaging)	98
spinal procedures	66

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	159
Female	141

**Ethnicity**
Non-Hispanic White	226
Black	0
Hispanic	42
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	101
85 and over	41
Less than 65	34

Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD in 2023

The most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated during 2023 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	75
High Cholesterol	72
Stroke	25
Ischemic Heart Disease	39
Depression	36
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	18
Atrial Fibrilation	25
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	18
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2015 - 2023

Volume of procedures performed by Dr. Unni Krishna Kaimal Udayasankar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Unni Krishna Kaimal Udayasankar, MD treated as a pediatric radiologist in Tucson, AZ were CT scan, brain imaging (neuroimaging), ultrasound (sonogram) and abdominal imaging.

abdominal imaging	91
brain imaging (neuroimaging)	193
CT scan	194
MRI (magnetic resonance imaging)	52
neck imaging	27
pelvic imaging	48
spinal procedures	71
ultrasound (sonogram)	136
vascular procedures	63

Average Medicare Patient Data From 2015 - 2023

Information about Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD.

**Gender**
Male	145
Female	146

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	208
Native American / Alaskan Native	11
Hispanic	45
Other	1

**Age**
75 to 84	86
85 and over	41
Less than 65	51
65 to 74	112

Average of Total of Conditions of Medicare patients treated by Dr. Unni Krishna Kaimal Udayasankar, MD From 2015 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Unni Krishna Kaimal Udayasankar, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	74
High Cholesterol	60
Stroke	21
Ischemic Heart Disease	47
Depression	37
Chronic Kidney Disease	48
Asthma	12
Osteoporosis	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Atrial Fibrillation	20
Cancer	17
Dementia	26

Education & Training

He completed residency at Veer Surendra Sai Medical College. He has a state license in Arizona.

Residency: Veer Surendra Sai Medical College (2003)

Licensed In: Arizona

Affiliations & Hospitals

Dr. Unni Krishna Kaimal Udayasankar, MD is associated with these hospitals and organizations:

Banner - University Medical Group (BUMG)

Banner-University Medical Center Tucson Campus

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Unni Krishna Kaimal Udayasankar, MD appears to accept the following insurance providers: Cigna (CAC), Care1st, Arizona Physicians IPA, Aetna Health Care, United Healthcare Medicare Advantage, Cigna Healthcare AZ, United Commercial ACO, Humana Health Plan, First Health, HealthNet, Medicare, TriCare, Aetna, Health Net Federal Services, Provider Network of America, BCBS Blue Alliance (BHN Acclaim), P3 Health Partners, University Physicians Healthcare, AZ Foundation for Medical Care, USA Managed Care, Health Choice, Oscar Health, Arizona Foundation, United Healthcare, Health Choice of Arizona, Magellan Healthcare, Railroad Medicare, Banner Aetna, Arizona Complete Health, Blue Cross and Blue Shield AZ, Arizona Medical Network/PHCS/Beech Street, Humana, Evercare, State Comp, AHCCCS, Fortified Provider Network PPO, United Medicare Complete, Imperial Insurance Co, Mercy Care, United Healthcare AZ, Blue AZ Advantage and University Physicians Healthcare Plan.

Insurance Accepted by Provider includes:

According to our sources, Dr. Unni Krishna Kaimal Udayasankar, MD accepts the following insurance providers:

Cigna (CAC)

Care1st

Arizona Physicians IPA

Aetna Health Care

United Healthcare Medicare Advantage

Cigna Healthcare AZ

United Commercial ACO

Humana Health Plan

First Health

HealthNet

Medicare

TriCare

Aetna

Health Net Federal Services

Provider Network of America

BCBS Blue Alliance (BHN Acclaim)

P3 Health Partners

University Physicians Healthcare

AZ Foundation for Medical Care

USA Managed Care

Health Choice

Oscar Health

Arizona Foundation

United Healthcare

Health Choice of Arizona

Magellan Healthcare

Railroad Medicare

Banner Aetna

Arizona Complete Health

Blue Cross and Blue Shield AZ

Arizona Medical Network/PHCS/Beech Street

Humana

Evercare

State Comp

AHCCCS

Fortified Provider Network PPO

United Medicare Complete

Imperial Insurance Co

Mercy Care

United Healthcare AZ

Blue AZ Advantage

University Physicians Healthcare Plan

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General Payments

These charts describe general payments received by Dr. Unni Krishna Kaimal Udayasankar, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Philips Electronics North America Corporation	$724 MR-RT $724
Siemens Medical Solutions USA, Inc.	$220 MAGNETOM Skyra $115	MAGNETOM Free.Max $84	MAGNETOM Vida 3T $21
Bayer HealthCare Pharmaceuticals Inc.	$184 Gadavist $184
BRACCO DIAGNOSTICS INC.	$37 PROHANCE $37
GE Healthcare	$17 $17

**Types of Payments**
Food and Beverage	$610
Travel and Lodging	$572

Biography

Dr. Unni Udayasankar is a specialist in general practice, pediatric radiology, and neuroradiology in Tucson, AZ and Phoenix, AZ. Dr. Udayasankar is professionally affiliated with Banner - University Medical Group (BUMG). He welcomes new patients at his office inPhoenix, AZ as reported by Yext.