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Dr. Rosamund Slack Lehmann, MD

Accepting New Patients

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Specializes in: Emergency Medicine

University of Rochester School of Medicine and Dentistry

975 Westtown Road
West Chester, PA 19382

(202) 412-1303

Dr. Rosamund Slack Lehmann, MD is an emergency medicine doctor in West Chester, PA specializing in emergency medicine. She graduated from University of Rochester School of Medicine and Dentistry. Dr. Rosamund Slack Lehmann, MD is affiliated with EMERGENCY CARE SPECIALISTS PC.

Office Locations

701 East Marshall Street
West Chester, PA 19380

(610) 431-5000

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975 Westtown Road
West Chester, PA 19382

(202) 412-1303

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Noteworthy Medicare Patient Procedures Performed by Dr. Rosamund Slack Lehmann, MD in 2024

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

Top 5%

By Volume:

emergency room care

In 2024, Dr. Rosamund Slack Lehmann, MD performed more emergency room (ER) care procedures for Medicare patients than 95% of providers in related specialties within Pennsylvania.

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2014 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	87

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	53
Female	51

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

**Age**
From 65 to 74	38
From 75 to 84	29
85 and over	19
Less than 65	18

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	22
Ischemic Heart Disease	67
Depression	50
Chronic Kidney Disease	46
Asthma	13
Osteoperosis	0
Atrial Fibrilation	21
Heart Failure	33
Chronic Obstructive Pulmonary Disease	31
Diabetes	40
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2015 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	485

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	424
Female	570

**Ethnicity**
Non-Hispanic White	858
Black	74
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	296
85 and over	232
Less than 65	144

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	15
Ischemic Heart Disease	58
Depression	40
Chronic Kidney Disease	43
Asthma	19
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2016 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	622

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	288
Female	442

**Ethnicity**
Non-Hispanic White	638
Black	54
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	208
85 and over	164
Less than 65	112

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	15
Ischemic Heart Disease	62
Depression	43
Chronic Kidney Disease	48
Asthma	30
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	35
Chronic Obstructive Pulmonary Disease	26
Diabetes	34
Dementia	25
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2017 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	636

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	345
Female	467

**Ethnicity**
Non-Hispanic White	720
Black	61
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	281
From 75 to 84	243
85 and over	169
Less than 65	119

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	14
Ischemic Heart Disease	58
Depression	39
Chronic Kidney Disease	47
Asthma	13
Osteoperosis	13
Atrial Fibrilation	27
Heart Failure	36
Chronic Obstructive Pulmonary Disease	28
Diabetes	35
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2018 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	827

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	407
Female	534

**Ethnicity**
Non-Hispanic White	816
Black	68
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	342
From 75 to 84	276
85 and over	211
Less than 65	112

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2018

Hypertension	75
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	54
Depression	41
Chronic Kidney Disease	49
Asthma	12
Osteoperosis	13
Atrial Fibrilation	26
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	27
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2019 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	801

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	413
Female	508

**Ethnicity**
Non-Hispanic White	778
Black	82
Hispanic	29
Asian	15
Other	17
Native American	0

**Age**
From 65 to 74	323
From 75 to 84	276
85 and over	209
Less than 65	113

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	58
Depression	40
Chronic Kidney Disease	49
Asthma	12
Osteoperosis	10
Atrial Fibrilation	27
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	40
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2020 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	653

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	330
Female	411

**Ethnicity**
Non-Hispanic White	643
Black	60
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	223
85 and over	152
Less than 65	90

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	54
Depression	40
Chronic Kidney Disease	46
Asthma	13
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	23
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2021 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	755

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	364
Female	491

**Ethnicity**
Non-Hispanic White	731
Black	71
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	286
From 75 to 84	301
85 and over	173
Less than 65	95

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	56
Depression	39
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	13
Atrial Fibrilation	24
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	27
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2022 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	789

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	382
Female	490

**Ethnicity**
Non-Hispanic White	752
Black	65
Hispanic	0
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	290
85 and over	193
Less than 65	87

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	25
Ischemic Heart Disease	49
Depression	38
Chronic Kidney Disease	36
Asthma	14
Osteoperosis	19
Atrial Fibrilation	34
Heart Failure	31
Chronic Obstructive Pulmonary Disease	25
Diabetes	35
Dementia	21
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2023 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	705

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	405
Female	494

**Ethnicity**
Non-Hispanic White	779
Black	64
Hispanic	0
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	293
From 75 to 84	339
85 and over	197
Less than 65	70

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	24
Ischemic Heart Disease	48
Depression	38
Chronic Kidney Disease	39
Asthma	14
Osteoperosis	18
Atrial Fibrilation	34
Heart Failure	34
Chronic Obstructive Pulmonary Disease	30
Diabetes	36
Dementia	18
Cancer	23

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA during 2024 were emergency care.

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

emergency care	716

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Male	328
Female	538

**Ethnicity**
Non-Hispanic White	766
Black	52
Hispanic	12
Asian	12
Other	24
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	331
85 and over	187
Less than 65	69

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	45
Depression	39
Chronic Kidney Disease	36
Asthma	16
Osteoperosis	23
Atrial Fibrilation	33
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	33
Dementia	22
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2024

Volume of procedures performed by Dr. Rosamund Slack Lehmann, MD for Medicare patients.

The highest averages for the top procedures that Dr. Rosamund Slack Lehmann, MD treated as an emergency medicine doctor in West Chester, PA were emergency care.

emergency care	643

Average Medicare Patient Data From 2014 - 2024

Information about Medicare patients treated by Dr. Rosamund Slack Lehmann, MD.

**Gender**
Female	454
Male	339

**Ethnicity**
Black / African American	59
Asian / Pacific Islander	2
Non-Hispanic White	688
Hispanic	11
Native American / Alaskan Native	0
Other	13

**Age**
85 and over	173
75 to 84	255
Less than 65	93
65 to 74	271

Average of Total of Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD From 2014 - 2024

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

Hypertension	75
High Cholesterol	72
Stroke	18
Ischemic Heart Disease	55
Depression	40
Chronic Kidney Disease	44
Asthma	15
Osteoporosis	13
Heart Failure	33
Chronic Obstructive Pulmonary Disease	25
Diabetes	35
Atrial Fibrillation	27
Dementia	23
Cancer	17

Education & Training

Dr. Rosamund Slack Lehmann, MD graduated from University of Rochester School of Medicine and Dentistry. She completed residency at Christiana Care Health System. She is certified by the Board certifications: Emergency Medicine and has a state license in Pennsylvania.

Medical School: University of Rochester School of Medicine and Dentistry

Residency: Christiana Care Health System

Board Certification: Board certifications: Emergency Medicine (2015)

Licensed In: Pennsylvania

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$39 XARELTO $39
Genentech USA, Inc.	$38 Activase $38
E.R. Squibb & Sons, L.L.C.	$30 ELIQUIS $30
Salix Pharmaceuticals, Ltd	$18 Relistor $18

**Types of Payments**
Food and Beverage	$124

Biography

Dr. Rosamund Lehmann's specialty is emergency medicine. After attending the University of Rochester School of Medicine and Dentistry for medical school, she completed her residency training at Christiana Care Health System. Dr. Lehmann is professionally affiliated with Chester County Hospital. Penn Medicine reports that she is accepting new patients at her office in West Chester, PA.

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Dr. Rosamund Slack Lehmann, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Rosamund Slack Lehmann, MD in 2024

By Volume:

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2024

Average Medicare Patient Data From 2014 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Rosamund Slack Lehmann, MD From 2014 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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