In 2023, Dr. Diane Lau Lum, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Tennessee. 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:

blood draw

phlebotomy for lab tests

In 2012, Dr. Diane Lau Lum, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 75% of providers in related specialties within Tennessee.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2012 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	773
diabetes management	215
doctor visit	842
hip imaging	23
hospital care	1181
inpatient care	1089
lab tests	1837
musculoskeletal imaging	137
outpatient care	92
preventive care	693
spinal procedures	36
thoracic (chest) imaging	25
thyroid function tests	126
X-rays	198

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

hospital care	1552
inpatient care	1475
outpatient care	64

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	298
Female	430

**Ethnicity**
Non-Hispanic White	418
Black	297
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	211
From 75 to 84	205
85 and over	120
Less than 65	192

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	12
Ischemic Heart Disease	56
Depression	24
Chronic Kidney Disease	59
Asthma	17
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	63
Chronic Obstructive Pulmonary Disease	40
Diabetes	54
Dementia	33
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2014 were hospital care, inpatient care, blood draw and lab tests.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	38
doctor visit	71
hospital care	886
inpatient care	875
lab tests	25
outpatient care	11
thoracic (chest) imaging	13
X-rays	13

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	180
Female	294

**Ethnicity**
Non-Hispanic White	286
Black	176
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	127
85 and over	86
Less than 65	117

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	52
Depression	25
Chronic Kidney Disease	55
Asthma	15
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	54
Chronic Obstructive Pulmonary Disease	33
Diabetes	50
Dementia	29
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2015 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	391
diabetes management	97
doctor visit	602
hospital care	597
inpatient care	565
lab tests	395
musculoskeletal imaging	15
outpatient care	32
preventive care	144
thoracic (chest) imaging	76
vaccines	47
X-rays	91

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	336
Female	600

**Ethnicity**
Non-Hispanic White	702
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	294
85 and over	210
Less than 65	100

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	38
Depression	21
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	29
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2016 were hospital care, inpatient care, blood draw and lab tests.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	451
diabetes management	130
doctor visit	616
hospital care	689
inpatient care	645
lab tests	384
musculoskeletal imaging	12
outpatient care	44
preventive care	162
thoracic (chest) imaging	43
vaccines	32
X-rays	55

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	137
Female	256

**Ethnicity**
Non-Hispanic White	260
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	112
85 and over	83
Less than 65	58

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2016

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	37
Asthma	20
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	30
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2017 were hospital care, inpatient care, blood draw and lab tests.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	431
diabetes management	128
doctor visit	612
hospital care	735
inpatient care	703
lab tests	332
outpatient care	32
preventive care	128
thoracic (chest) imaging	29
X-rays	29

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	117
Female	252

**Ethnicity**
Non-Hispanic White	231
Black	127
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	105
85 and over	79
Less than 65	52

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2017

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	39
Depression	33
Chronic Kidney Disease	46
Asthma	6
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2018 were hospital care, inpatient care, blood draw and lab tests.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	490
diabetes management	146
doctor visit	612
hospital care	597
inpatient care	579
lab tests	478
musculoskeletal imaging	18
outpatient care	18
preventive care	146
X-rays	18

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	142
Female	242

**Ethnicity**
Non-Hispanic White	246
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	114
85 and over	71
Less than 65	40

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	40
Depression	22
Chronic Kidney Disease	47
Asthma	6
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	31
Chronic Obstructive Pulmonary Disease	16
Diabetes	38
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2019 were blood draw, lab tests, hospital care and inpatient care.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	595
diabetes management	175
doctor visit	666
hospital care	462
inpatient care	448
lab tests	533
outpatient care	14
preventive care	214
vaccines	39

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	111
Female	215

**Ethnicity**
Non-Hispanic White	201
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	89
85 and over	74
Less than 65	34

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2019

Hypertension	75
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	46
Asthma	6
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	27
Chronic Obstructive Pulmonary Disease	16
Diabetes	33
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2020 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	459
diabetes management	168
doctor visit	539
hospital care	419
inpatient care	419
lab tests	474
preventive care	244
vaccines	76

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	83
Female	172

**Ethnicity**
Non-Hispanic White	159
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	72
85 and over	48
Less than 65	22

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2020

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	33
Depression	19
Chronic Kidney Disease	42
Asthma	4
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	26
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2021 were blood draw, lab tests, hospital care and inpatient care.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	414
diabetes management	138
doctor visit	458
hospital care	214
inpatient care	214
lab tests	330
preventive care	205
vaccines	67

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	73
Female	137

**Ethnicity**
Non-Hispanic White	133
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	54
85 and over	46
Less than 65	16

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	30
Depression	17
Chronic Kidney Disease	48
Asthma	0
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	25
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN during 2022 were blood draw, lab tests, preventive care and hospital care.

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

blood draw	442
diabetes management	154
doctor visit	491
hospital care	161
inpatient care	161
lab tests	225
preventive care	198
vaccines	44

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Male	84
Female	157

**Ethnicity**
Non-Hispanic White	144
Black	84
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	83
85 and over	45
Less than 65	16

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	29
Depression	15
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	10
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Diane Lau Lum, MD for Medicare patients.

The highest averages for the top procedures that Dr. Diane Lau Lum, MD treated as an internist in Memphis, TN were hospital care, inpatient care, lab tests and blood draw.

blood draw	448
diabetes management	150
doctor visit	550
hip imaging	23
hospital care	681
inpatient care	652
lab tests	501
musculoskeletal imaging	45
outpatient care	38
preventive care	237
spinal procedures	36
thoracic (chest) imaging	37
thyroid function tests	126
vaccines	50
X-rays	67

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Diane Lau Lum, MD.

**Gender**
Female	250
Male	141

**Ethnicity**
Black / African American	62
Asian / Pacific Islander	0
Non-Hispanic White	252
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	78
75 to 84	114
Less than 65	58
65 to 74	141

Average of Total of Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Diane Lau Lum, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	68
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	40
Asthma	8
Osteoporosis	10
Heart Failure	30
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Atrial Fibrillation	12
Dementia	18
Cancer	12

Education & Training

She completed residency at University of California, Davis Affiliated Hospitals. She has a state license in Arkansas.

Residency: University of California, Davis Affiliated Hospitals

Licensed In: Arkansas

Ratings & Reviews

Dr. Diane Lau Lum, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 9 ratings. We collect ratings and reviews of Dr. Diane Lau Lum, MD from all over the web to help you find the right in Memphis, TN.

Overall Rating

(9 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2026-03-04

Patient verified via Press Ganey

If I could rate this Doctor 1-10 She is a 10plus, I have had bad experience with some doctors, So I know the difference between a good doctor and a bad one, I have referred her to other people and will continue to do so.

Overall Rating: 5.0 2025-10-19

Patient verified via Press Ganey

My doctor is very knowledgeable. If she is uncertain about things going on in my body she does not hesitate to refer me to someone who has specific knowledge.

Overall Rating: 5.0 2025-10-18

Patient verified via Press Ganey

Dr. Lum is very thorough, she listens to all my concerns and I am amazed how she never forgets anything! She is fast but I never feel rushed. Exceptional Dr.

Overall Rating: 5.0 2025-07-26

Patient verified via Press Ganey

Dr Lum is great and listens to my comments. She has good and thoughtful advice!!!

Overall Rating: 5.0 2026-02-23

Patient verified via Press Ganey

Dr Lum is very friendly and easy to talk to. She explains things very well.

Overall Rating: 5.0 2026-01-21

Patient verified via Press Ganey

Dr Lum is a caring, qualified professional. Highly recommend.

Overall Rating: 5.0 2025-11-22

Patient verified via Press Ganey

Dr Lum is very personable and thorough.

Overall Rating: 5.0 2026-03-27

Patient verified via Press Ganey

Very thorough and confident

Overall Rating: 5.0 2025-06-13

Patient verified via Press Ganey

Excellent

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$47 FARXIGA $31	SYMBICORT $16
The Medicines Company	$45 ORBACTIV $45
Valeant Pharmaceuticals North America LLC	$29 Moviprep $16	Relistor $13
Takeda Pharmaceuticals America, Inc.	$20 Brintellix $20
Pfizer Inc.	$16 ELIQUIS $16
Other	$79 Edarbyclor $13	DALVANCE $13	TOUJEO $11	SPIRIVA RESPIMAT $11	Viekira $11	Other $19

**Types of Payments**
Food and Beverage	$191
Education	$45

Biography

Dr. Diane Lum's average rating from her patients is 5.0 stars (out of 5). She graduated from the University of Arkansas for Medical Sciences College of Medicine. Her residency was performed at a hospital affiliated with the University of California, Davis. Dr. Lum welcomes new patients at her office inMemphis, TN as reported by Doctor.com.

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Dr. Diane Lau Lum, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Diane Lau Lum, MD in 2023

By Affordability:

By Volume:

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. Diane Lau Lum, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Diane Lau Lum, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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