Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > MI Providers > Internists & Internal Medicine Doctors

Mrs. Mary Chao, DO

(50 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

Michigan State University College of Osteopathic Medicine

1540 Lake Lansing Road Suite 102
Lansing, MI 48912

(517) 913-3810

Mrs. Mary Chao, DO is an internist in Lansing, MI specializing in internal medicine (adult medicine). She graduated from Michigan State University College of Osteopathic Medicine. Mrs. Mary Chao, DO is affiliated with McLaren Health Care and McLaren Greater Lansing.

Office Locations

McLaren Health Care

1540 Lake Lansing Road Suite 102
Lansing, MI 48912

(517) 913-3810

(517) 913-3811

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Mrs. Mary Chao, DO treated as an internist in Lansing, MI during 2012 were hospital care, inpatient care, lab tests and outpatient care.

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	961
hospital care	1093
inpatient care	1034
lab tests	258
outpatient care	59
preventive care	30
vaccines	30

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Mrs. Mary Chao, DO treated as an internist in Lansing, MI during 2013 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	832
hospital care	929
inpatient care	893
lab tests	182
outpatient care	36
preventive care	72
vaccines	72

2013 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	190
Female	401

**Ethnicity**
Non-Hispanic White	507
Black	56
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	169
85 and over	123
Less than 65	73

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2013

Hypertension	75
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	43
Depression	33
Chronic Kidney Disease	37
Asthma	14
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	35
Chronic Obstructive Pulmonary Disease	28
Diabetes	39
Dementia	22
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Mrs. Mary Chao, DO treated as an internist in Lansing, MI during 2014 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	803
hospital care	884
inpatient care	833
lab tests	145
outpatient care	51
preventive care	56
vaccines	56

2014 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	184
Female	397

**Ethnicity**
Non-Hispanic White	491
Black	54
Hispanic	0
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	168
85 and over	117
Less than 65	61

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2014

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	40
Depression	36
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	35
Dementia	24
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Mrs. Mary Chao, DO treated as an internist in Lansing, MI during 2015 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	989
hospital care	744
inpatient care	723
outpatient care	21

2015 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	338
Female	868

**Ethnicity**
Non-Hispanic White	1016
Black	132
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	498
From 75 to 84	356
85 and over	202
Less than 65	150

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2015

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	38
Depression	36
Chronic Kidney Disease	37
Asthma	17
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	22
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	1252

2016 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	119
Female	401

**Ethnicity**
Non-Hispanic White	446
Black	39
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	138
85 and over	61
Less than 65	72

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2016

Hypertension	71
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	27
Depression	26
Chronic Kidney Disease	25
Asthma	22
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	1127

2017 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	93
Female	375

**Ethnicity**
Non-Hispanic White	387
Black	47
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	124
85 and over	42
Less than 65	70

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2017

Hypertension	69
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	23
Depression	25
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	1044

2018 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	76
Female	368

**Ethnicity**
Non-Hispanic White	363
Black	42
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	223
From 75 to 84	121
85 and over	39
Less than 65	61

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2018

Hypertension	66
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	22
Depression	24
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	29
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	964

2019 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	74
Female	330

**Ethnicity**
Non-Hispanic White	325
Black	36
Hispanic	16
Asian	15
Other	12
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	99
85 and over	35
Less than 65	54

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2019

Hypertension	65
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	19
Depression	24
Chronic Kidney Disease	18
Asthma	8
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	31
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	504

2020 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	45
Female	222

**Ethnicity**
Non-Hispanic White	222
Black	24
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	69
85 and over	21
Less than 65	45

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2020

Hypertension	66
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	19
Depression	23
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	9
Cancer	4

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	512

2021 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	39
Female	166

**Ethnicity**
Non-Hispanic White	168
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	53
85 and over	18
Less than 65	36

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2021

Hypertension	69
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	20
Depression	26
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	33
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

doctor visit	501

2022 Medicare Patient Data

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	48
Female	182

**Ethnicity**
Non-Hispanic White	190
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	62
85 and over	25
Less than 65	42

Conditions of Medicare patients treated by Mrs. Mary Chao, DO in 2022

Hypertension	73
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	16
Depression	22
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	14
Diabetes	32
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Mrs. Mary Chao, DO for Medicare patients.

The highest averages for the top procedures that Mrs. Mary Chao, DO treated as an internist in Lansing, MI were hospital care, inpatient care, lab tests and preventive care.

doctor visit	862
hospital care	912
inpatient care	870
lab tests	195
outpatient care	41
preventive care	52
vaccines	52

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Mrs. Mary Chao, DO.

**Gender**
Male	109
Female	337

**Ethnicity**
Black / African American	42
Asian / Pacific Islander	4
Non-Hispanic White	374
Native American / Alaskan Native	0
Hispanic	8
Other	1

**Age**
75 to 84	123
85 and over	62
Less than 65	60
65 to 74	200

Average of Total of Conditions of Medicare patients treated by Mrs. Mary Chao, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Mrs. Mary Chao, DO treated were hypertension, high cholesterol, diabetes and depression.

Hypertension	64
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	24
Depression	25
Chronic Kidney Disease	23
Asthma	11
Osteoporosis	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Atrial Fibrillation	11
Dementia	11
Cancer	8

Education & Training

Mrs. Mary Chao, DO graduated from Michigan State University College of Osteopathic Medicine. She completed residency at Ingham Regional Medical Center. She is certified by the American Osteopathic Board of Internal Medicine and has a state license in Michigan.

Medical School: Michigan State University College of Osteopathic Medicine

Residency: Ingham Regional Medical Center

Board Certification: American Osteopathic Board of Internal Medicine

Licensed In: Michigan

Affiliations & Hospitals

Mrs. Mary Chao, DO is associated with these hospitals and organizations:

McLaren Health Care

McLaren Greater Lansing

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.

Mrs. Mary Chao, DO appears to accept the following insurance providers: Aetna PPO, WellCare Medicare Advantage, Aetna Medicare, WellCare, Medicare Advantage, United Healthcare, TRICARE, Medicare, Medicaid, Humana, Cigna, Priority Health PPO, Priority Health, Blue Cross and Blue Shield of Michigan, McLaren Health Advantage PPO, Blue Care Network HMO, McLaren Health Plan, Molina Healthcare, First Health PPO, HAP PPO, HAP HMO, HAP CareSource - MI Health Link, VACCN - Military, Cofinity - PPO, U of M Health Plan (PHP) - Marketplace, Michigan Amish - Special Arrangements, HAP - D-SNP/HIDE-SNP, U of M Health Plan (PHP) - PPO, Meridian - Ambetter - MarketPlace, Employee Benefit Logistics - PPO, VitalCore Physicians Group of Michigan - Special Arrangements, BCCCP - County Health Plan (CHP), Provider Networks of America LLC - MediLodge PNOA-HMA - PPO, Aetna - D-SNP and U of M Health Plan (PHP) - HMO.

Insurance Accepted by Provider includes:

According to our sources, Mrs. Mary Chao, DO accepts the following insurance providers:

Aetna PPO

WellCare Medicare Advantage

Aetna Medicare

WellCare

Medicare Advantage

United Healthcare

TRICARE

Medicare

Medicaid

Humana

Cigna

Priority Health PPO

Priority Health

Blue Cross and Blue Shield of Michigan

McLaren Health Advantage PPO

Blue Care Network HMO

McLaren Health Plan

Molina Healthcare

First Health PPO

HAP PPO

HAP HMO

HAP CareSource - MI Health Link

VACCN - Military

Cofinity - PPO

U of M Health Plan (PHP) - Marketplace

Michigan Amish - Special Arrangements

HAP - D-SNP/HIDE-SNP

U of M Health Plan (PHP) - PPO

Meridian - Ambetter - MarketPlace

Employee Benefit Logistics - PPO

VitalCore Physicians Group of Michigan - Special Arrangements

BCCCP - County Health Plan (CHP)

Provider Networks of America LLC - MediLodge PNOA-HMA - PPO

Aetna - D-SNP

U of M Health Plan (PHP) - HMO

Ratings & Reviews

Mrs. Mary Chao, DO has an exceptional overall rating with an average of 4.98 out of 5 stars based on 50 ratings. We collect ratings and reviews of Mrs. Mary Chao, DO from all over the web to help you find the right in Lansing, MI.

4.98

Overall Rating

(50 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Mrs. Mary Chao, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novo Nordisk Inc	$1,357 Tresiba $306	Ozempic $292	Saxenda $213	Victoza $150	RYBELSUS $143	Other $254
Lilly USA, LLC	$1,050 BASAGLAR $252	JARDIANCE $196	TRULICITY $190	GLYXAMBI $153	MOUNJARO $110	Other $150
AstraZeneca Pharmaceuticals LP	$695 FARXIGA $165	BYDUREON PEN $116	BYDUREON $112	SYMBICORT $93	$208
Novartis Pharmaceuticals Corporation	$683 ENTRESTO $478	Aimovig $101	LEQVIO $98	$7
SANOFI-AVENTIS U.S. LLC	$682 TOUJEO $398	PRALUENT $124	LANTUS $77	SOLIQUA 100/33 $42	SOLIQUA $41
Other	$5,163 Vesicare $388	NURTEC ODT $280	ELIQUIS $238	INVOKANA $229	TRELEGY ELLIPTA $212	Other $3,817

**Types of Payments**
Food and Beverage	$9,551
Education	$80

Biography

Patient reviews placed Dr. Mary Chao at an average of 5.0 stars (out of 5). She is affiliated with McLaren Greater Lansing. She is an in-network provider for several insurance carriers, including Blue California, Coventry, and TRICARE. Before performing her residency at Ingham Regional Medical Center, Dr. Chao attended Michigan State University College of Osteopathic Medicine for medical school.