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Dr. Karen E. Zagar, MD

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Specializes in: Adult Rheumatology

32615 Us Highway 19 N Suite 2
Palm Harbor, FL 34684

(727) 789-2784

Dr. Karen E. Zagar, MD is a rheumatologist in Palm Harbor, FL specializing in adult rheumatology.

Office Locations

32615 Us Highway 19 N Suite 2
Palm Harbor, FL 34684

(727) 789-2784

(727) 785-3537

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Noteworthy Medicare Patient Procedures Performed by Dr. Karen E. Zagar, MD in 2023

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

Top 10%

By Volume:

land-based therapeutic exercise

manual therapy

In 2023, Dr. Karen E. Zagar, MD performed more land-based therapeutic exercise, and manual therapy procedures for Medicare patients than 90% of providers in related specialties within Florida.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2012 were lab tests, blood draw, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	64
blood draw	407
doctor visit	922
hip imaging	23
injections	64
lab tests	2868
musculoskeletal imaging	77
skin testing	14
tuberculosis (TB) testing	14
X-rays	77

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2013 were lab tests, blood draw, aspiration and injections.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	84
biological response modifier (BRM) therapy	48
blood draw	433
chemotherapy	48
doctor visit	918
hip imaging	24
injections	84
lab tests	2976
minimally invasive procedures	48
musculoskeletal imaging	63
X-rays	63

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	57
Female	302

**Ethnicity**
Non-Hispanic White	345
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	129
85 and over	49
Less than 65	41

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2013

Hypertension	65
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	35
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	18
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2014 were lab tests, blood draw, manual therapy and rehabilitation.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	115
biological response modifier (BRM) therapy	60
blood draw	465
chemotherapy	60
diagnostic evaluation	17
doctor visit	925
hip imaging	22
injections	115
lab tests	3335
manual therapy	147
minimally invasive procedures	60
MRI (magnetic resonance imaging)	21
musculoskeletal imaging	98
rehabilitation	124
X-rays	77

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	65
Female	319

**Ethnicity**
Non-Hispanic White	368
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	131
85 and over	51
Less than 65	42

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2014

Hypertension	65
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	45
Depression	25
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	36
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2015 were lab tests, manual therapy, blood draw and rehabilitation.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	62
biological response modifier (BRM) therapy	151
blood draw	597
chemotherapy	151
diagnostic evaluation	47
doctor visit	1075
hip imaging	23
injections	62
lab tests	4255
manual therapy	702
minimally invasive procedures	165
musculoskeletal imaging	82
rehabilitation	358
X-rays	82

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	166
Female	722

**Ethnicity**
Non-Hispanic White	856
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	370
From 75 to 84	308
85 and over	128
Less than 65	82

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2015

Hypertension	68
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	42
Depression	23
Chronic Kidney Disease	21
Asthma	13
Osteoperosis	41
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2016 were lab tests, blood draw, manual therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	105
biological response modifier (BRM) therapy	196
blood draw	607
chemotherapy	196
diagnostic evaluation	39
doctor visit	1001
injections	105
lab tests	4413
manual therapy	424
minimally invasive procedures	209
musculoskeletal imaging	78
rehabilitation	137
spinal procedures	11
X-rays	89

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	73
Female	328

**Ethnicity**
Non-Hispanic White	388
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	139
85 and over	63
Less than 65	22

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2016

Hypertension	66
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	42
Depression	26
Chronic Kidney Disease	28
Asthma	19
Osteoperosis	37
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	20
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2017 were lab tests, blood draw, manual therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	91
biological response modifier (BRM) therapy	254
blood draw	719
chemotherapy	254
doctor visit	1008
injections	91
lab tests	4999
manual therapy	549
minimally invasive procedures	271
musculoskeletal imaging	93
rehabilitation	254
thoracic (chest) imaging	14
X-rays	107

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	77
Female	330

**Ethnicity**
Non-Hispanic White	392
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	145
85 and over	60
Less than 65	27

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2017

Hypertension	70
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	38
Depression	28
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	37
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	20
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2018 were lab tests, blood draw, manual therapy and minimally invasive procedures.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	80
biological response modifier (BRM) therapy	302
blood draw	730
chemotherapy	302
doctor visit	1189
injections	80
lab tests	1654
manual therapy	362
minimally invasive procedures	320
MRI (magnetic resonance imaging)	38
musculoskeletal imaging	139
rehabilitation	140
spinal procedures	16
X-rays	117

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	98
Female	401

**Ethnicity**
Non-Hispanic White	479
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	173
85 and over	57
Less than 65	42

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2018

Hypertension	65
High Cholesterol	74
Stroke	4
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	42
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	18
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2019 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and manual therapy.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	69
biological response modifier (BRM) therapy	282
blood draw	219
chemotherapy	282
doctor visit	1189
injections	69
lab tests	139
manual therapy	263
minimally invasive procedures	304
musculoskeletal imaging	94
rehabilitation	148
X-rays	94

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	91
Female	404

**Ethnicity**
Non-Hispanic White	476
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	162
85 and over	65
Less than 65	32

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2019

Hypertension	65
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	46
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	20
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2020 were rehabilitation, minimally invasive procedures, manual therapy and chemotherapy.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	58
biological response modifier (BRM) therapy	319
blood draw	168
chemotherapy	319
doctor visit	1369
injections	58
manual therapy	336
minimally invasive procedures	341
MRI (magnetic resonance imaging)	38
musculoskeletal imaging	142
rehabilitation	360
spinal procedures	16
X-rays	120

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	100
Female	464

**Ethnicity**
Non-Hispanic White	538
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	196
85 and over	69
Less than 65	33

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2020

Hypertension	64
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	54
Asthma	8
Osteoperosis	50
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2021 were manual therapy, rehabilitation, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	50
biological response modifier (BRM) therapy	256
blood draw	126
chemotherapy	256
doctor visit	1148
injections	50
manual therapy	665
minimally invasive procedures	268
MRI (magnetic resonance imaging)	53
musculoskeletal imaging	156
rehabilitation	491
spinal procedures	12
X-rays	115

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	77
Female	384

**Ethnicity**
Non-Hispanic White	434
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	203
From 75 to 84	173
85 and over	61
Less than 65	24

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2021

Hypertension	64
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	40
Depression	28
Chronic Kidney Disease	62
Asthma	9
Osteoperosis	54
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL during 2022 were rehabilitation, manual therapy, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

aspiration	39
biological response modifier (BRM) therapy	169
blood draw	78
chemotherapy	169
doctor visit	1131
injections	39
manual therapy	554
minimally invasive procedures	250
musculoskeletal imaging	83
rehabilitation	560
spinal procedures	22
X-rays	105

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	82
Female	374

**Ethnicity**
Non-Hispanic White	427
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	175
85 and over	61
Less than 65	19

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	62
Atrial Fibrilation	15
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	20
Dementia	5
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Karen E. Zagar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karen E. Zagar, MD treated as a rheumatologist in Palm Harbor, FL were lab tests, manual therapy, blood draw and rehabilitation.

aspiration	74
biological response modifier (BRM) therapy	203
blood draw	413
chemotherapy	203
diagnostic evaluation	34
doctor visit	1079
hip imaging	23
injections	74
lab tests	3079
manual therapy	444
minimally invasive procedures	223
MRI (magnetic resonance imaging)	37
musculoskeletal imaging	100
rehabilitation	285
skin testing	14
spinal procedures	15
thoracic (chest) imaging	14
tuberculosis (TB) testing	14
X-rays	95

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Karen E. Zagar, MD.

**Gender**
Male	80
Female	366

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	427
Native American / Alaskan Native	0
Hispanic	2
Other	0

**Age**
75 to 84	157
85 and over	60
Less than 65	33
65 to 74	195

Average of Total of Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Karen E. Zagar, MD treated were high cholesterol, hypertension, osteoperosis and ischemic heart disease.

Hypertension	60
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	32
Asthma	9
Osteoporosis	40
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	18
Atrial Fibrillation	10
Dementia	7
Cancer	11

Education & Training

She has a state license in Florida.

Licensed In: Florida

Ratings & Reviews

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General Payments

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

**Payments by Company**
Amgen Inc.	$3,189 Prolia $1,215	Enbrel $983	Otezla $452	Tavneos $421	AVSOLA $41	Other $78
Novartis Pharmaceuticals Corporation	$2,504 COSENTYX $1,632	NON BRAND $250	$621
AbbVie, Inc.	$2,385 Humira $1,688	Lupron $100	Rinvoq $83	$514
Pfizer Inc.	$2,293 XELJANZ $1,191	INFLECTRA $630	PAXLOVID $348	COMIRNATY $43	LYRICA $36	Other $45
Janssen Biotech, Inc.	$2,115 STELARA $821	REMICADE $381	Tremfya $378	SIMPONI $314	SIMPONI ARIA $220
Other	$14,636 ORENCIA $1,257	Cimzia $1,209	BENLYSTA $1,133	Rinvoq $1,092	ACTHAR $1,091	Other $8,855

**Types of Payments**
Food and Beverage	$24,496
Travel and Lodging	$1,569
Consulting Fee	$590
Education	$355
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$113

Research Payments

Dr. Karen E. Zagar, MD has received 621 research payments totaling $3,092,515.

Biography

Dr. Karen Zagar specializes in adult rheumatology. Dr. Zagar studied medicine at the University of Pennsylvania School of Medicine.

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Dr. Karen E. Zagar, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Karen E. Zagar, MD in 2023

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. Karen E. Zagar, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Karen E. Zagar, 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. Karen E. Zagar, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Palm Harbor, FL