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Dr. Mahwash Kassi, MD

Accepting New Patients

(43 Ratings)

Specializes in: Advanced Heart Failure and Transplant Cardiology and Adult Cardiology

Professional interests include: heart transplant, advanced heart failure, left ventricular assist device (LVAD), and more.

6550 FANNIN STREET SUITE 1901
HOUSTON, TX 77030

(713) 441-1100

Dr. Mahwash Kassi, MD is a cardiologist in HOUSTON, TX specializing in advanced heart failure and transplant cardiology and adult cardiology. Dr. Mahwash Kassi, MD is affiliated with Houston Methodist Hospital, Houston Methodist and TMH PHYSICIAN ASSOCIATES PLLC.

Office Locations

6550 FANNIN STREET SUITE 1901
HOUSTON, TX 77030

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Noteworthy Medicare Patient Procedures Performed by Dr. Mahwash Kassi, MD in 2023

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

Top 25%

By Volume:

diagnostic procedures

By Affordability:

diagnostic right heart catheterization

right heart catheterization

In 2013, among providers in related specialties within Texas, Dr. Mahwash Kassi, MD performed more diagnostic procedures procedures for Medicare patients than 75% of them and she also had a list price for diagnostic right heart catheterization, and right heart catheterization 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

2018 Medicare Procedure Volume

The top procedures that Dr. Mahwash Kassi, MD treated as a cardiologist in HOUSTON, TX during 2018 were hospital care, inpatient care, diagnostic procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mahwash Kassi, MD for Medicare patients.

cardiac procedures	18
catheterization	18
diagnostic procedures	45
hospital care	367
inpatient care	367
minimally invasive procedures	18

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mahwash Kassi, MD.

**Gender**
Male	100
Female	55

**Ethnicity**
Non-Hispanic White	93
Black	44
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	0
85 and over	0
Less than 65	53

Conditions of Medicare patients treated by Dr. Mahwash Kassi, MD in 2018

The most common conditions of Medicare patients that Dr. Mahwash Kassi, MD treated during 2018 were chronic kidney disease, heart failure, high cholesterol and hypertension.

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	75
Depression	34
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	17
Atrial Fibrilation	42
Heart Failure	75
Chronic Obstructive Pulmonary Disease	41
Diabetes	63
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mahwash Kassi, MD treated as a cardiologist in HOUSTON, TX during 2019 were hospital care, inpatient care, diagnostic procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mahwash Kassi, MD for Medicare patients.

cardiac procedures	43
catheterization	43
diagnostic procedures	68
doctor visit	128
hospital care	1058
inpatient care	1058
minimally invasive procedures	43

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mahwash Kassi, MD.

**Gender**
Male	213
Female	125

**Ethnicity**
Non-Hispanic White	190
Black	96
Hispanic	35
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	66
85 and over	12
Less than 65	108

Conditions of Medicare patients treated by Dr. Mahwash Kassi, MD in 2019

The most common conditions of Medicare patients that Dr. Mahwash Kassi, MD treated during 2019 were chronic kidney disease, heart failure, high cholesterol and hypertension.

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	75
Depression	36
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	17
Atrial Fibrilation	40
Heart Failure	75
Chronic Obstructive Pulmonary Disease	37
Diabetes	61
Dementia	18
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mahwash Kassi, MD treated as a cardiologist in HOUSTON, TX during 2020 were hospital care, inpatient care, diagnostic procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mahwash Kassi, MD for Medicare patients.

cardiac procedures	42
catheterization	42
diagnostic procedures	78
doctor visit	169
hospital care	967
inpatient care	967
minimally invasive procedures	42

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mahwash Kassi, MD.

**Gender**
Male	207
Female	118

**Ethnicity**
Non-Hispanic White	176
Black	89
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	62
85 and over	14
Less than 65	107

Conditions of Medicare patients treated by Dr. Mahwash Kassi, MD in 2020

The most common conditions of Medicare patients that Dr. Mahwash Kassi, MD treated during 2020 were chronic kidney disease, heart failure, high cholesterol and hypertension.

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	75
Depression	37
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	11
Atrial Fibrilation	40
Heart Failure	75
Chronic Obstructive Pulmonary Disease	33
Diabetes	64
Dementia	22
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mahwash Kassi, MD treated as a cardiologist in HOUSTON, TX during 2021 were hospital care, inpatient care, diagnostic procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mahwash Kassi, MD for Medicare patients.

cardiac procedures	28
catheterization	28
diagnostic procedures	65
doctor visit	207
hospital care	737
inpatient care	737
minimally invasive procedures	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mahwash Kassi, MD.

**Gender**
Male	190
Female	110

**Ethnicity**
Non-Hispanic White	164
Black	81
Hispanic	37
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	64
85 and over	20
Less than 65	89

Conditions of Medicare patients treated by Dr. Mahwash Kassi, MD in 2021

The most common conditions of Medicare patients that Dr. Mahwash Kassi, MD treated during 2021 were chronic kidney disease, heart failure, high cholesterol and hypertension.

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	75
Depression	33
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	13
Atrial Fibrilation	33
Heart Failure	75
Chronic Obstructive Pulmonary Disease	26
Diabetes	67
Dementia	24
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mahwash Kassi, MD treated as a cardiologist in HOUSTON, TX during 2022 were hospital care, inpatient care, diagnostic procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mahwash Kassi, MD for Medicare patients.

cardiac procedures	24
catheterization	24
diagnostic procedures	46
doctor visit	199
hospital care	468
inpatient care	468
minimally invasive procedures	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mahwash Kassi, MD.

**Gender**
Male	156
Female	107

**Ethnicity**
Non-Hispanic White	154
Black	65
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	59
85 and over	16
Less than 65	72

Conditions of Medicare patients treated by Dr. Mahwash Kassi, MD in 2022

The most common conditions of Medicare patients that Dr. Mahwash Kassi, MD treated during 2022 were chronic kidney disease, heart failure, high cholesterol and hypertension.

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	72
Depression	27
Chronic Kidney Disease	75
Asthma	16
Osteoperosis	19
Atrial Fibrilation	57
Heart Failure	75
Chronic Obstructive Pulmonary Disease	34
Diabetes	64
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mahwash Kassi, MD treated as a cardiologist in HOUSTON, TX during 2023 were hospital care, inpatient care, diagnostic procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Mahwash Kassi, MD for Medicare patients.

cardiac procedures	21
catheterization	21
diagnostic procedures	42
doctor visit	158
hospital care	287
inpatient care	287
minimally invasive procedures	21

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mahwash Kassi, MD.

**Gender**
Male	139
Female	76

**Ethnicity**
Non-Hispanic White	132
Black	39
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	61
85 and over	13
Less than 65	39

Conditions of Medicare patients treated by Dr. Mahwash Kassi, MD in 2023

The most common conditions of Medicare patients that Dr. Mahwash Kassi, MD treated during 2023 were chronic kidney disease, heart failure, high cholesterol and hypertension.

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	75
Depression	27
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	17
Atrial Fibrilation	62
Heart Failure	75
Chronic Obstructive Pulmonary Disease	38
Diabetes	56
Dementia	18
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2018 - 2023

Volume of procedures performed by Dr. Mahwash Kassi, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mahwash Kassi, MD treated as a cardiologist in HOUSTON, TX were hospital care, inpatient care, diagnostic procedures and minimally invasive procedures.

cardiac procedures	29
catheterization	29
diagnostic procedures	57
doctor visit	172
hospital care	647
inpatient care	647
minimally invasive procedures	29

Average Medicare Patient Data From 2018 - 2023

Information about Medicare patients treated by Dr. Mahwash Kassi, MD.

**Gender**
Male	167
Female	98

**Ethnicity**
Black / African American	69
Asian / Pacific Islander	0
Non-Hispanic White	151
Hispanic	29
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	12
75 to 84	52
Less than 65	78
65 to 74	119

Average of Total of Conditions of Medicare patients treated by Dr. Mahwash Kassi, MD From 2018 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Mahwash Kassi, MD treated were chronic kidney disease, heart failure, high cholesterol and hypertension.

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	74
Depression	32
Chronic Kidney Disease	75
Asthma	11
Osteoporosis	15
Heart Failure	75
Chronic Obstructive Pulmonary Disease	34
Diabetes	62
Atrial Fibrillation	45
Cancer	11
Dementia	17

Education & Training

She has a state license in Minnesota.

Licensed In: Minnesota

Affiliations & Hospitals

Dr. Mahwash Kassi, MD is associated with these hospitals and organizations:

Houston Methodist Hospital

Houston Methodist

TMH PHYSICIAN ASSOCIATES PLLC

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. Mahwash Kassi, MD appears to accept the following insurance providers: CIGNA Open Access, United Healthcare PPO, United Healthcare POS, United Healthcare HMO, United Healthcare EPO, Blue Choice PPO, Blue Choice POS, First Health PPO, Aetna POS, Aetna QPOS, Aetna Workers' Compensation, Golden Rule, TRICARE, Best Doctors, Aetna Select, Aetna EPO, Trustmark , Aetna PPO, Aetna HMO, CIGNA Network, Aetna Signature Administrators, Aetna Affordable Health Choices, CIGNA PPO, CIGNA POS, CIGNA HMO, Aetna Medicare PPO, CIGNA EPO, CIGNA Choice Fund, CIGNA Indemnity, AARP, Medicare Advantage, Blue Cross Blue Shield HMO, Blue Cross Blue Shield POS, Blue Cross Blue Shield EPO, Three Rivers Provider Network, Coventry PPO, HealthSpring, US Family Health Plan, Blue Cross Blue Shield PPO, United Healthcare, Medicare, Railroad Medicare, Humana, Cigna, Molina Healthcare, WellPoint, Aetna Open Access, United Healthcare Community Plan (AmeriChoice), Humana Medicare Advantage PPO, Horizon Blue Cross Blue Shield, CIGNA Network Open Access, PHCS PPO, MultiPlan PPO, Private Healthcare Systems (PHCS), Aetna APCN Plus Multi-Tier HM Tier 2, GeoBlue, BCBS PPO GUIDESTONE, TRS-Care Standard ALT B II Group 485006, TRS-Care Standard ALT B I Group 485005, Community Health Choice PREMIER Gold, TRS-ActiveCare Fully Insured Plan-South Texas Region Group 295430, Aetna Student Health, TX Annual Conf of UMC-UMR, TRS-Care Standard ALT A II Group 485003, Aetna Transplant, TRS-ActiveCare Primary Group 385003, DEVOTED DUAL PLUS GREATER HOUSTON, DEVOTED CORE GREATER HOUSTON HMO, TRS-Care Standard Group 485000, UnitedHealthOne, TRS-Care Standard ALT A I Group 485002, Community Health Choice PREMIER Silver, Blue Essentials Access, UMR, TRS-ActiveCare Fully Insured Plan-West Texas Region Group 295781, TRS-ActiveCare 2 Group 385002, DEVOTED EXTRA GREATER HOUSTON (HMO), HAA Preferred Partners (International), Aetna Common Spirit Minimum Value Plan, BCBS PPO Wespath, Aetna Health Network, Aetna Managed Choice / Elect Choice, United Health Integrated Services, Aetna Meritain Hlth/Aetna Premier Care (APCN), Olympus Managed Care (International), DEVOTED PREMIUM (PRIME) GREATER HOUSTON (HMO), Aetna Medicare HMO Prime, Aetna Choice POS / Open Choice, Aetna Signature Administrators Allied Benefits, Blue Edge, Blue Essentials, Aetna International, Aetna Medicare Dual Complete Plan (HMO D-SNP), Aetna TX Pref Plus II Network, Blue Cross Blue Shield FEP Federal Employee Plan, DEVOTED GIVEBACK GREATER HOUSTON (HMO), TRS-Care Standard CMED Group 485001, TRS-ActiveCare HD Group 385000, TRS-ActiveCare Primary Plus Group 385001, Aetna Signature Administrators TX Annual Conf of UMC and Aetna Premier Care Network.

Insurance Accepted by Provider includes:

According to our sources, Dr. Mahwash Kassi, MD accepts the following insurance providers:

CIGNA Open Access

United Healthcare PPO

United Healthcare POS

United Healthcare HMO

United Healthcare EPO

Blue Choice PPO

Blue Choice POS

First Health PPO

Aetna POS

Aetna QPOS

Aetna Workers' Compensation

Golden Rule

TRICARE

Best Doctors

Aetna Select

Aetna EPO

Trustmark

Aetna PPO

Aetna HMO

CIGNA Network

Aetna Signature Administrators

Aetna Affordable Health Choices

CIGNA PPO

CIGNA POS

CIGNA HMO

Aetna Medicare PPO

CIGNA EPO

CIGNA Choice Fund

CIGNA Indemnity

AARP

Medicare Advantage

Blue Cross Blue Shield HMO

Blue Cross Blue Shield POS

Blue Cross Blue Shield EPO

Three Rivers Provider Network

Coventry PPO

HealthSpring

US Family Health Plan

Blue Cross Blue Shield PPO

United Healthcare

Medicare

Railroad Medicare

Humana

Cigna

Molina Healthcare

WellPoint

Aetna Open Access

United Healthcare Community Plan (AmeriChoice)

Humana Medicare Advantage PPO

Horizon Blue Cross Blue Shield

CIGNA Network Open Access

PHCS PPO

MultiPlan PPO

Private Healthcare Systems (PHCS)

Aetna APCN Plus Multi-Tier HM Tier 2

GeoBlue

BCBS PPO GUIDESTONE

TRS-Care Standard ALT B II Group 485006

TRS-Care Standard ALT B I Group 485005

Community Health Choice PREMIER Gold

TRS-ActiveCare Fully Insured Plan-South Texas Region Group 295430

Aetna Student Health

TX Annual Conf of UMC-UMR

TRS-Care Standard ALT A II Group 485003

Aetna Transplant

TRS-ActiveCare Primary Group 385003

DEVOTED DUAL PLUS GREATER HOUSTON

DEVOTED CORE GREATER HOUSTON HMO

TRS-Care Standard Group 485000

UnitedHealthOne

TRS-Care Standard ALT A I Group 485002

Community Health Choice PREMIER Silver

Blue Essentials Access

UMR

TRS-ActiveCare Fully Insured Plan-West Texas Region Group 295781

TRS-ActiveCare 2 Group 385002

DEVOTED EXTRA GREATER HOUSTON (HMO)

HAA Preferred Partners (International)

Aetna Common Spirit Minimum Value Plan

BCBS PPO Wespath

Aetna Health Network

Aetna Managed Choice / Elect Choice

United Health Integrated Services

Aetna Meritain Hlth/Aetna Premier Care (APCN)

Olympus Managed Care (International)

DEVOTED PREMIUM (PRIME) GREATER HOUSTON (HMO)

Aetna Medicare HMO Prime

Aetna Choice POS / Open Choice

Aetna Signature Administrators Allied Benefits

Blue Edge

Blue Essentials

Aetna International

Aetna Medicare Dual Complete Plan (HMO D-SNP)

Aetna TX Pref Plus II Network

Blue Cross Blue Shield FEP Federal Employee Plan

DEVOTED GIVEBACK GREATER HOUSTON (HMO)

TRS-Care Standard CMED Group 485001

TRS-ActiveCare HD Group 385000

TRS-ActiveCare Primary Plus Group 385001

Aetna Signature Administrators TX Annual Conf of UMC

Aetna Premier Care Network

Ratings & Reviews

Dr. Mahwash Kassi, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 43 ratings. We collect ratings and reviews of Dr. Mahwash Kassi, MD from all over the web to help you find the right in HOUSTON, TX.

Overall Rating

(43 Ratings)

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Reviews From Around The Web

Overall Rating: 5.0 2025-11-14

Patient verified via Press Ganey

I interacted with MA Laura, RN Georgia and Dr.'s Patel and Kassi. All were caring and epithetic, spending time to hear my concerns.Dr. Kassi is very kind and sympathetic to my health concerns and spend time to explain the recent test results and treatment plan. She has always been very caring, approachable and easy to communicate with. She is the expert in my health condition and I am grateful that she is my doctor. Under her treatment plan my condition has steadily improved. Dr. Kassi Is the BEST!

Overall Rating: 5.0 2025-10-03

Patient verified via Press Ganey

Dr. Kassi is absolutely amazing and brilliant. I am so very thankful for her research and work in the area of Genetic ATTR. Her knowledge and work and medical advice is life saving for me. She is detailed and engaging with her patients. She is never rushed and allows for questions and provides detailed information.

Overall Rating: 5.0 2024-05-01

Patient verified via Press Ganey

An outstanding doctor. She listened, had good explanations, and actual concern for my condition.

Overall Rating: 5.0 2024-08-31

Patient verified via Press Ganey

All were cordial and interested !

General Payments

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

**Payments by Company**
Alexion Pharmaceuticals, Inc.	$4,620 SOLIRIS $44	$4,576
Abbott Laboratories	$4,329 THORATEC HEARTMATE 3 LVAS IMPLANT KIT $1,665	CardioMEMS $1,283	HeartMate 3 Left Ventricular Assist Device $395	CardioMEMS HF System $240	Aortic and Mitral Tissue Stented $216	Other $530
ABIOMED	$3,262 Impella $3,262
St. Jude Medical, Inc.	$2,579 Electrophysiology $1,163	Structural Heart $261	Epic Stented Tissue Valve $260	CardioMEMS HF System $209	Ampere RF Ablation Generator $177	Other $509
AstraZeneca Pharmaceuticals LP	$1,077 BRILINTA $1,077
Other	$4,504 ELIQUIS $515	Repatha $331	XARELTO $329	LifeVest $272	ENTRESTO $240	Other $2,817

**Types of Payments**
Food and Beverage	$14,042
Consulting Fee	$3,850
Travel and Lodging	$2,236
Education	$242

Research Payments

Dr. Mahwash Kassi, MD has received 35 research payments totaling $99,621.

Biography

Dr. Mahwash Kassi is a physician who specializes in adult cardiology and advanced heart failure and transplant cardiology. Dr. Kassi is rated highly by her patients. Her areas of expertise include the following: advanced heart failure, heart transplant, and cardiomyopathy. She is affiliated with Houston Methodist Hospital. Trustmark, Aetna EPO, and Blue California appears to be the insurance carriers that Dr. Kassi takes. According to Doctor.com, new patients are welcome to contact Dr. Kassi's office in Houston, TX.