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Dr. William George Tan, MD

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Specializes in: Internal Medicine (Adult Medicine)

University of Maryland School of Medicine (1984)

1645 Liberty Road
Eldersburg, MD 21784

(410) 795-7737

Dr. William George Tan, MD is an internist in Eldersburg, MD specializing in internal medicine (adult medicine). He graduated from University of Maryland School of Medicine in 1984 and has 42 years of experience. Dr. William George Tan, MD is affiliated with LIFEBRIDGE PRIMARY CARE OF ELDERSBURG LLC.

Office Locations

1645 Liberty Road
Eldersburg, MD 21784

(410) 795-7737

(410) 795-2828

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Noteworthy Medicare Patient Procedures Performed by Dr. William George Tan, MD in 2024

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

Top 25%

By Volume:

finger stick glucose test

lab tests

By Affordability:

blood tests

diabetes management

lab tests

In 2012, among providers in related specialties within Maryland, Dr. William George Tan, MD performed more finger stick glucose test, and lab tests procedures for Medicare patients than 75% of them and he also had a list price for blood tests, diabetes management, and lab tests 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

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2012 were nursing home care, lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

diabetes management	206
doctor visit	1917
hospital care	71
inpatient care	71
lab tests	240
nursing home care	610
preventive care	140
vaccines	140

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2013 were nursing home care, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

diabetes management	106
doctor visit	1862
hospital care	26
inpatient care	26
lab tests	137
nursing home care	709
preventive care	115
vaccines	115

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	285
Female	416

**Ethnicity**
Non-Hispanic White	672
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	242
85 and over	264
Less than 65	29

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	35
Depression	31
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	38
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2014 were nursing home care, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

doctor visit	1738
hospital care	20
inpatient care	20
nursing home care	760
preventive care	109
vaccines	109

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	300
Female	433

**Ethnicity**
Non-Hispanic White	693
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	257
85 and over	288
Less than 65	27

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2014

Hypertension	75
High Cholesterol	59
Stroke	9
Ischemic Heart Disease	34
Depression	35
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	40
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2015 were nursing home care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

diabetes management	53
doctor visit	1856
lab tests	69
nursing home care	817
preventive care	176
vaccines	176

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	632
Female	882

**Ethnicity**
Non-Hispanic White	1420
Black	42
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	526
85 and over	618
Less than 65	52

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2015

Hypertension	75
High Cholesterol	59
Stroke	9
Ischemic Heart Disease	35
Depression	33
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	15
Atrial Fibrilation	21
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	38
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2016 were nursing home care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

diabetes management	118
doctor visit	2147
lab tests	140
nursing home care	427
preventive care	146
vaccines	146

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	222
Female	324

**Ethnicity**
Non-Hispanic White	510
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	188
85 and over	210
Less than 65	19

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2016

Hypertension	75
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	31
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2017 were nursing home care, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

chronic care	156
diabetes management	143
doctor visit	2037
lab tests	178
nursing home care	369
preventive care	172
vaccines	172

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	223
Female	310

**Ethnicity**
Non-Hispanic White	501
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	174
85 and over	206
Less than 65	15

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2017

Hypertension	75
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	31
Depression	29
Chronic Kidney Disease	27
Asthma	5
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	31
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2018 were chronic care, nursing home care, lab tests and preventive care.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

chronic care	369
diabetes management	140
doctor visit	2011
lab tests	216
nursing home care	239
preventive care	178
vaccines	165

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	231
Female	305

**Ethnicity**
Non-Hispanic White	498
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	170
85 and over	202
Less than 65	20

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2018

Hypertension	75
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	31
Depression	32
Chronic Kidney Disease	28
Asthma	4
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	31
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2019 were chronic care, lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

chronic care	362
diabetes management	159
doctor visit	1877
lab tests	214
nursing home care	71
preventive care	147
vaccines	147

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	215
Female	266

**Ethnicity**
Non-Hispanic White	448
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	155
85 and over	171
Less than 65	13

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2019

Hypertension	75
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	29
Depression	37
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	5
Atrial Fibrilation	19
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	27
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2020 were lab tests, preventive care, vaccines and diabetes management.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

diabetes management	96
doctor visit	1275
lab tests	183
preventive care	182
vaccines	152

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	207
Female	234

**Ethnicity**
Non-Hispanic White	408
Black	0
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	0
85 and over	146
Less than 65	0

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2020

Hypertension	73
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	30
Depression	32
Chronic Kidney Disease	22
Asthma	3
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	25
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2021 were lab tests, preventive care, diabetes management and vaccines.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

cardiac procedures	11
diabetes management	139
doctor visit	1236
lab tests	229
preventive care	198
vaccines	129

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	212
Female	232

**Ethnicity**
Non-Hispanic White	411
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	148
85 and over	129
Less than 65	15

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2021

Hypertension	73
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	29
Depression	27
Chronic Kidney Disease	26
Asthma	5
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2022 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

cardiac procedures	11
diabetes management	150
doctor visit	1148
lab tests	256
preventive care	136
vaccines	98

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	227
Female	242

**Ethnicity**
Non-Hispanic White	429
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	172
85 and over	125
Less than 65	12

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2022

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2023 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

diabetes management	182
doctor visit	1146
lab tests	270
preventive care	95
vaccines	95

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	211
Female	219

**Ethnicity**
Non-Hispanic White	400
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	163
85 and over	117
Less than 65	12

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2023

Hypertension	75
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	13
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD during 2024 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

diabetes management	147
doctor visit	766
lab tests	195
preventive care	70
vaccines	70

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Male	179
Female	167

**Ethnicity**
Non-Hispanic White	321
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	139
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	10
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. William George Tan, MD for Medicare patients.

The highest averages for the top procedures that Dr. William George Tan, MD treated as an internist in Eldersburg, MD were nursing home care, chronic care, lab tests and preventive care.

cardiac procedures	11
chronic care	295
diabetes management	136
doctor visit	1616
hospital care	39
inpatient care	39
lab tests	193
nursing home care	500
preventive care	143
vaccines	131

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. William George Tan, MD.

**Gender**
Female	310
Male	241

**Ethnicity**
Black / African American	7
Asian / Pacific Islander	0
Non-Hispanic White	516
Hispanic	0
Native American / Alaskan Native	0
Other	11

**Age**
85 and over	190
75 to 84	179
Less than 65	16
65 to 74	146

Average of Total of Conditions of Medicare patients treated by Dr. William George Tan, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. William George Tan, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	68
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	27
Depression	26
Chronic Kidney Disease	21
Asthma	6
Osteoporosis	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Atrial Fibrillation	19
Dementia	24
Cancer	12

Education & Training

Dr. William George Tan, MD graduated from University of Maryland School of Medicine in 1984. He has a state license in Maryland.

Medical School: University of Maryland School of Medicine (1984)

Licensed In: Maryland

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General Payments

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

**Payments by Company**
Amgen Inc.	$217 Repatha $115	Prolia $86	Otezla $16
Merck Sharp & Dohme Corporation	$164 BRIDION $120	STEGLATRO $16	JANUMET XR $14	DULERA $14
Novartis Pharmaceuticals Corporation	$109 EXELON PATCH $93	LEQVIO $16
Novo Nordisk Inc	$108 RYBELSUS $58	Victoza $33	Tresiba $16
AstraZeneca Pharmaceuticals LP	$97 BYDUREON WEEKLY $63	SEROQUEL XR $19	FARXIGA $14
Other	$742 Myrbetriq $61	JARDIANCE $49	Nuedexta $44	ANORO $39	HUMALOG $33	Other $517

**Types of Payments**
Food and Beverage	$1,399
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$25
Education	$12

Biography

Dr. William Tan has obtained a license to practice in Maryland.

Select Year:

Dr. William George Tan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William George Tan, MD in 2024

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. William George Tan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William George Tan, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. William George Tan, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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