In 2023, Dr. Grant H. Louie, MD had a list price for creatinine test, creatinine urine test, kidney function tests, protein electrophoresis, serum protein electrophoresis (SPEP), total protein test, total protein urine test, and urinalysis that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Maryland. 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:

biological response modifier therapy

intravenous chemotherapy

lipid profile

By Affordability:

cholesterol screening

lipid profile

sed rate

In 2023, among providers in related specialties within Maryland, Dr. Grant H. Louie, MD performed more biological response modifier (BRM) therapy, intravenous (IV) chemotherapy, and lipid profile procedures for Medicare patients than 90% of them and he also had a list price for cholesterol screening, lipid profile, and sed rate (ESR) that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

complete blood count

intravenous infusion

By Affordability:

antibody tests

antinuclear antibody test

autoantibody tests

blood draw

blood draw for lab tests

complement tests

C-reactive protein testing

immunoglobulin tests

joint X-ray

knee X-ray

phlebotomy for lab tests

In 2012, among providers in related specialties within Maryland, Dr. Grant H. Louie, MD performed more complete blood count (CBC), and intravenous (IV) infusion procedures for Medicare patients than 75% of them and he also had a list price for antibody tests, antinuclear antibody (ANA) test, autoantibody tests, blood draw, blood draw for lab tests, complement tests, C-reactive protein testing, immunoglobulin tests, joint X-ray, knee X-ray, phlebotomy for lab tests, uric acid blood test, uric acid test, urine tests, venipuncture (phlebotomy), and vitamin D test 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

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

doctor visit	204

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

doctor visit	185
hospital care	32
inpatient care	32

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	45
Female	83

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	0
85 and over	0
Less than 65	43

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2013

Hypertension	66
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	34
Depression	34
Chronic Kidney Disease	27
Asthma	11
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

doctor visit	252

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	39
Female	82

**Ethnicity**
Non-Hispanic White	84
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	0
85 and over	0
Less than 65	38

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2014

Hypertension	69
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	24
Depression	32
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

doctor visit	215

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	98
Female	162

**Ethnicity**
Non-Hispanic White	204
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	0
85 and over	0
Less than 65	74

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2015

Hypertension	66
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	34
Depression	28
Chronic Kidney Disease	35
Asthma	14
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2016 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

blood draw	40
doctor visit	208
hospital care	12
inpatient care	12
lab tests	172

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	55
Female	109

**Ethnicity**
Non-Hispanic White	131
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	0
85 and over	0
Less than 65	40

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2016

Hypertension	66
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	38
Depression	23
Chronic Kidney Disease	29
Asthma	20
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2017 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

aspiration	33
biological response modifier (BRM) therapy	58
blood draw	206
chemotherapy	58
doctor visit	573
injections	33
lab tests	1514
minimally invasive procedures	58
musculoskeletal imaging	29
tuberculosis (TB) testing	20
vertebral fracture assessment (VFA)	17
X-rays	29

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	67
Female	199

**Ethnicity**
Non-Hispanic White	242
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	103
85 and over	16
Less than 65	22

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2017

Hypertension	73
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	20
Asthma	9
Osteoperosis	30
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2018 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

aspiration	63
biological response modifier (BRM) therapy	106
blood draw	326
chemotherapy	106
doctor visit	665
injections	63
lab tests	2024
minimally invasive procedures	119
musculoskeletal imaging	69
spinal procedures	14
tuberculosis (TB) testing	11
X-rays	83

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	128
Female	345

**Ethnicity**
Non-Hispanic White	406
Black	34
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	191
From 75 to 84	165
85 and over	56
Less than 65	61

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2018

Hypertension	66
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	33
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2019 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

aspiration	40
biological response modifier (BRM) therapy	113
blood draw	390
chemotherapy	113
doctor visit	861
injections	40
lab tests	2455
minimally invasive procedures	113
musculoskeletal imaging	36
spinal procedures	17
thyroid function tests	11
X-rays	53

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	111
Female	326

**Ethnicity**
Non-Hispanic White	348
Black	35
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	108
85 and over	53
Less than 65	66

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2019

Hypertension	66
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	30
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2020 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

aspiration	55
biological response modifier (BRM) therapy	228
blood draw	354
chemotherapy	228
doctor visit	769
injections	55
lab tests	2235
minimally invasive procedures	228
musculoskeletal imaging	46
thyroid function tests	11
X-rays	46

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	137
Female	369

**Ethnicity**
Non-Hispanic White	433
Black	28
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	270
From 75 to 84	128
85 and over	45
Less than 65	63

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2020

Hypertension	59
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	30
Depression	25
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	31
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	23
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2021 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

aspiration	35
biological response modifier (BRM) therapy	436
blood draw	413
chemotherapy	436
doctor visit	883
injections	35
lab tests	3146
minimally invasive procedures	508
musculoskeletal imaging	54
thyroid function tests	14
X-rays	54

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	166
Female	470

**Ethnicity**
Non-Hispanic White	553
Black	30
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	334
From 75 to 84	177
85 and over	54
Less than 65	71

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2021

Hypertension	65
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	35
Depression	28
Chronic Kidney Disease	24
Asthma	13
Osteoperosis	34
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2022 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

aspiration	52
biological response modifier (BRM) therapy	575
blood draw	449
chemotherapy	575
doctor visit	1021
injections	52
lab tests	2963
minimally invasive procedures	651
musculoskeletal imaging	97
preventive care	18
spinal procedures	12
thyroid function tests	34
X-rays	109

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	180
Female	547

**Ethnicity**
Non-Hispanic White	632
Black	31
Hispanic	0
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	373
From 75 to 84	229
85 and over	59
Less than 65	66

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2022

Hypertension	72
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	14
Asthma	16
Osteoperosis	44
Atrial Fibrilation	12
Heart Failure	7
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD during 2023 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

aspiration	64
biological response modifier (BRM) therapy	564
blood draw	424
chemotherapy	564
doctor visit	1067
injections	64
lab tests	3043
minimally invasive procedures	632
musculoskeletal imaging	118
preventive care	23
spinal procedures	16
X-rays	134

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	175
Female	580

**Ethnicity**
Non-Hispanic White	674
Black	26
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	375
From 75 to 84	263
85 and over	53
Less than 65	64

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2023

Hypertension	69
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	15
Asthma	16
Osteoperosis	47
Atrial Fibrilation	12
Heart Failure	8
Chronic Obstructive Pulmonary Disease	15
Diabetes	21
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Grant H. Louie, MD for Medicare patients.

The highest averages for the top procedures that Dr. Grant H. Louie, MD treated as a rheumatologist in Frederick, MD were lab tests, minimally invasive procedures, blood draw and chemotherapy.

aspiration	48
biological response modifier (BRM) therapy	297
blood draw	325
chemotherapy	297
doctor visit	575
hospital care	22
injections	48
inpatient care	22
lab tests	2194
minimally invasive procedures	329
musculoskeletal imaging	64
preventive care	20
spinal procedures	14
thyroid function tests	17
tuberculosis (TB) testing	15
vertebral fracture assessment (VFA)	17
X-rays	72

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Grant H. Louie, MD.

**Gender**
Male	100
Female	272

**Ethnicity**
Black / African American	16
Asian / Pacific Islander	0
Non-Hispanic White	316
Hispanic	1
Native American / Alaskan Native	0
Other	10

**Age**
75 to 84	97
85 and over	28
Less than 65	50
65 to 74	182

Average of Total of Conditions of Medicare patients treated by Dr. Grant H. Louie, MD From 2012 - 2023

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

Hypertension	61
High Cholesterol	54
Stroke	2
Ischemic Heart Disease	29
Depression	24
Chronic Kidney Disease	21
Asthma	11
Osteoporosis	24
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Atrial Fibrillation	7
Cancer	7
Dementia	4

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Scientific Affairs, LLC	$6,204 SIMPONI ARIA $6,204
AbbVie, Inc.	$5,636 Humira $5,489	Rinvoq $113	$34
Janssen Biotech, Inc.	$4,761 STELARA $4,603	SIMPONI ARIA $82	SIMPONI $58	Tremfya $18
UCB, Inc.	$4,653 Cimzia $4,584	$69
Janssen Global Services, LLC	$1,500 Tremfya $1,500
Other	$4,592 XELJANZ $1,321	ORENCIA $331	COSENTYX $266	Enbrel $200	Prolia $196	Other $2,279

**Types of Payments**
Consulting Fee	$17,975
Food and Beverage	$6,004
Travel and Lodging	$3,269
Education	$99

Biography

Dr. Grant Louie sees patients in Frederick, MD. His medical specialty is adult rheumatology. He is a graduate of MCP Hahnemann School of Medicine.

Select Year:

Dr. Grant H. Louie, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Grant H. Louie, MD in 2023

By Affordability:

By Volume:

By Affordability:

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. Grant H. Louie, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Grant H. Louie, 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. Grant H. Louie, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Frederick, MD