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Dr. Merry Lynn Tetef, MD

Specializes in: Adult Oncology and Adult Hematology
24302 Paseo De Valencia Suite 200
Laguna Hills, CA 92653

Dr. Merry Lynn Tetef, MD is an oncologist in Laguna Hills, CA specializing in adult oncology and adult hematology. Dr. Merry Lynn Tetef, MD is affiliated with UCLA Health.

View Doctor's Full Profile (949) 458-8252

Office Locations

24302 Paseo De Valencia Suite 200
Laguna Hills, CA 92653
(949) 458-8252
(949) 588-8252
open_in_new

In The News 

“Patients can be treated with medications to preserve or fortify the bones during aromatase inhibitor therapy, said Dr. Merry Tetef, medical director of Oncology Center of Orange County in Irvine.”—"Treatments: Emphasis on thriving, not just surviving", The Orange County Register, September 2005

Noteworthy Medicare Patient Procedures Performed by Dr. Merry Lynn Tetef, MD in 2023

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

Top 10%

By Volume:

antineoplastic hormone therapy

In 2023, Dr. Merry Lynn Tetef, MD performed more antineoplastic hormone therapy procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

minimally invasive procedures

In 2013, Dr. Merry Lynn Tetef, MD performed more minimally invasive procedures procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2013 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and hormone therapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 263
chemotherapy 263
doctor visit 1032
hormone therapy 110
minimally invasive procedures 263

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 59
Female 395
Ethnicity
Non-Hispanic White 393
Black 0
Hispanic 0
Asian 41
Other 0
Native American 0
Age
From 65 to 74 255
From 75 to 84 132
85 and over 51
Less than 65 16

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2013

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2013 were cancer, hypertension, high cholesterol and diabetes.

Hypertension 58
High Cholesterol 52
Stroke 3
Ischemic Heart Disease 23
Depression 16
Chronic Kidney Disease 17
Asthma 7
Osteoperosis 19
Atrial Fibrilation 9
Heart Failure 11
Chronic Obstructive Pulmonary Disease 9
Diabetes 24
Dementia 5
Cancer 75

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2014 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and lab tests.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 242
blood draw 18
chemotherapy 242
doctor visit 1075
hormone therapy 152
lab tests 197
minimally invasive procedures 242

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 66
Female 430
Ethnicity
Non-Hispanic White 421
Black 0
Hispanic 16
Asian 44
Other 0
Native American 0
Age
From 65 to 74 287
From 75 to 84 140
85 and over 47
Less than 65 22

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2014

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2014 were cancer, hypertension, high cholesterol and diabetes.

Hypertension 58
High Cholesterol 56
Stroke 3
Ischemic Heart Disease 21
Depression 17
Chronic Kidney Disease 18
Asthma 5
Osteoperosis 19
Atrial Fibrilation 8
Heart Failure 12
Chronic Obstructive Pulmonary Disease 7
Diabetes 23
Dementia 5
Cancer 75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2015 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and hormone therapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 352
chemotherapy 352
doctor visit 1316
hormone therapy 144
lab tests 84
minimally invasive procedures 370

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 146
Female 946
Ethnicity
Non-Hispanic White 912
Black 0
Hispanic 30
Asian 116
Other 0
Native American 0
Age
From 65 to 74 608
From 75 to 84 320
85 and over 108
Less than 65 56

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2015

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2015 were cancer, hypertension, high cholesterol and diabetes.

Hypertension 58
High Cholesterol 57
Stroke 4
Ischemic Heart Disease 20
Depression 17
Chronic Kidney Disease 18
Asthma 9
Osteoperosis 19
Atrial Fibrilation 11
Heart Failure 11
Chronic Obstructive Pulmonary Disease 10
Diabetes 22
Dementia 5
Cancer 75

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2016 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and hormone therapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 423
blood draw 25
chemotherapy 423
doctor visit 1469
hormone therapy 214
minimally invasive procedures 458
port flush 29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 80
Female 498
Ethnicity
Non-Hispanic White 477
Black 0
Hispanic 18
Asian 67
Other 0
Native American 0
Age
From 65 to 74 327
From 75 to 84 175
85 and over 52
Less than 65 24

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2016

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2016 were cancer, hypertension, high cholesterol and diabetes.

Hypertension 59
High Cholesterol 54
Stroke 2
Ischemic Heart Disease 21
Depression 20
Chronic Kidney Disease 20
Asthma 10
Osteoperosis 20
Atrial Fibrilation 8
Heart Failure 10
Chronic Obstructive Pulmonary Disease 8
Diabetes 22
Dementia 5
Cancer 75

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2017 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and lab tests.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 356
chemotherapy 356
doctor visit 1288
hormone therapy 262
lab tests 321
minimally invasive procedures 375
port flush 32

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 56
Female 516
Ethnicity
Non-Hispanic White 469
Black 0
Hispanic 24
Asian 57
Other 0
Native American 0
Age
From 65 to 74 309
From 75 to 84 182
85 and over 54
Less than 65 27

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2017

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2017 were cancer, hypertension, high cholesterol and diabetes.

Hypertension 54
High Cholesterol 49
Stroke 3
Ischemic Heart Disease 18
Depression 19
Chronic Kidney Disease 19
Asthma 6
Osteoperosis 20
Atrial Fibrilation 8
Heart Failure 9
Chronic Obstructive Pulmonary Disease 6
Diabetes 20
Dementia 3
Cancer 75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2018 were minimally invasive procedures, lab tests, hormone therapy and chemotherapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 284
blood draw 51
chemotherapy 284
doctor visit 1250
hormone therapy 292
lab tests 305
minimally invasive procedures 320
port flush 42

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 42
Female 544
Ethnicity
Non-Hispanic White 480
Black 0
Hispanic 24
Asian 56
Other 0
Native American 0
Age
From 65 to 74 328
From 75 to 84 185
85 and over 47
Less than 65 26

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2018

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2018 were cancer, high cholesterol, hypertension and osteoperosis.

Hypertension 56
High Cholesterol 58
Stroke 3
Ischemic Heart Disease 17
Depression 20
Chronic Kidney Disease 21
Asthma 8
Osteoperosis 22
Atrial Fibrilation 9
Heart Failure 10
Chronic Obstructive Pulmonary Disease 9
Diabetes 19
Dementia 3
Cancer 75

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2019 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 366
blood draw 86
chemotherapy 366
doctor visit 1323
hormone therapy 254
lab tests 430
minimally invasive procedures 414
port flush 27

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 50
Female 605
Ethnicity
Non-Hispanic White 530
Black 0
Hispanic 28
Asian 72
Other 0
Native American 0
Age
From 65 to 74 375
From 75 to 84 203
85 and over 56
Less than 65 21

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2019

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2019 were cancer, high cholesterol, hypertension and osteoperosis.

Hypertension 58
High Cholesterol 58
Stroke 4
Ischemic Heart Disease 21
Depression 20
Chronic Kidney Disease 22
Asthma 7
Osteoperosis 29
Atrial Fibrilation 9
Heart Failure 10
Chronic Obstructive Pulmonary Disease 8
Diabetes 19
Dementia 4
Cancer 75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2020 were lab tests, minimally invasive procedures, hormone therapy and chemotherapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 266
blood draw 144
chemotherapy 266
doctor visit 1039
hormone therapy 268
lab tests 336
minimally invasive procedures 330
port flush 29

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 38
Female 602
Ethnicity
Non-Hispanic White 527
Black 0
Hispanic 23
Asian 66
Other 0
Native American 0
Age
From 65 to 74 356
From 75 to 84 217
85 and over 46
Less than 65 21

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2020

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2020 were cancer, high cholesterol, hypertension and osteoperosis.

Hypertension 53
High Cholesterol 55
Stroke 4
Ischemic Heart Disease 19
Depression 18
Chronic Kidney Disease 21
Asthma 6
Osteoperosis 33
Atrial Fibrilation 8
Heart Failure 8
Chronic Obstructive Pulmonary Disease 7
Diabetes 18
Dementia 4
Cancer 75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2021 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 293
blood draw 237
chemotherapy 293
doctor visit 1275
hormone therapy 204
lab tests 409
minimally invasive procedures 394
port flush 31

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 65
Female 681
Ethnicity
Non-Hispanic White 617
Black 0
Hispanic 31
Asian 72
Other 0
Native American 0
Age
From 65 to 74 410
From 75 to 84 260
85 and over 52
Less than 65 24

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2021

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2021 were cancer, high cholesterol, hypertension and osteoperosis.

Hypertension 53
High Cholesterol 59
Stroke 3
Ischemic Heart Disease 18
Depression 20
Chronic Kidney Disease 22
Asthma 6
Osteoperosis 24
Atrial Fibrilation 8
Heart Failure 8
Chronic Obstructive Pulmonary Disease 6
Diabetes 16
Dementia 6
Cancer 75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2022 were minimally invasive procedures, lab tests, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 415
blood draw 176
chemotherapy 415
doctor visit 1243
hormone therapy 163
lab tests 488
minimally invasive procedures 530
port flush 44

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 61
Female 670
Ethnicity
Non-Hispanic White 592
Black 0
Hispanic 31
Asian 82
Other 0
Native American 0
Age
From 65 to 74 394
From 75 to 84 266
85 and over 40
Less than 65 31

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2022

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2022 were cancer, high cholesterol, hypertension and osteoperosis.

Hypertension 61
High Cholesterol 74
Stroke 5
Ischemic Heart Disease 11
Depression 18
Chronic Kidney Disease 16
Asthma 8
Osteoperosis 30
Atrial Fibrilation 11
Heart Failure 6
Chronic Obstructive Pulmonary Disease 9
Diabetes 18
Dementia 4
Cancer 75

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA during 2023 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

biological response modifier (BRM) therapy 305
blood draw 221
chemotherapy 305
doctor visit 1285
hormone therapy 196
lab tests 437
minimally invasive procedures 435
port flush 19

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 60
Female 673
Ethnicity
Non-Hispanic White 600
Black 0
Hispanic 33
Asian 76
Other 0
Native American 0
Age
From 65 to 74 372
From 75 to 84 290
85 and over 47
Less than 65 24

Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD in 2023

The most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated during 2023 were cancer, high cholesterol, hypertension and osteoperosis.

Hypertension 62
High Cholesterol 75
Stroke 5
Ischemic Heart Disease 13
Depression 17
Chronic Kidney Disease 17
Asthma 8
Osteoperosis 30
Atrial Fibrilation 13
Heart Failure 6
Chronic Obstructive Pulmonary Disease 9
Diabetes 19
Dementia 2
Cancer 75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Merry Lynn Tetef, MD for Medicare patients.

The highest averages for the top procedures that Dr. Merry Lynn Tetef, MD treated as an oncologist in Laguna Hills, CA were minimally invasive procedures, lab tests, chemotherapy and biological response modifier (BRM) therapy.

biological response modifier (BRM) therapy 324
blood draw 119
chemotherapy 324
doctor visit 1235
hormone therapy 205
lab tests 334
minimally invasive procedures 375

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Merry Lynn Tetef, MD.

Gender
Male 65
Female 596
Ethnicity
Black / African American 0
Asian / Pacific Islander 68
Non-Hispanic White 547
Native American / Alaskan Native 0
Hispanic 23
Other 0
Age
75 to 84 215
85 and over 54
Less than 65 26
65 to 74 365

Average of Total of Conditions of Medicare patients treated by Dr. Merry Lynn Tetef, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Merry Lynn Tetef, MD treated were cancer, high cholesterol, hypertension and osteoperosis.

Hypertension 57
High Cholesterol 58
Stroke 3
Ischemic Heart Disease 18
Depression 18
Chronic Kidney Disease 19
Asthma 7
Osteoporosis 24
Heart Failure 9
Chronic Obstructive Pulmonary Disease 8
Diabetes 20
Atrial Fibrillation 9
Cancer 75
Dementia 4

Education & Training

She has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Merry Lynn Tetef, MD is associated with these hospitals and organizations:

UCLA Health

Ratings & Reviews

Dr. Merry Lynn Tetef, MD has a high overall rating with an average of 4.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Merry Lynn Tetef, MD from all over the web to help you find the right in Laguna Hills, CA. 

4.2
Overall Rating
Leave a Review

General Payments

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

Payments by Company
Novartis Pharmaceuticals Corporation $151 AFINITOR
$131 		TASIGNA
$19
Pfizer Inc. $32 XALKORI
$18 		IBRANCE
$15
Amgen Inc. $28
$28
Genentech USA, Inc. $21
$21
Gilead Sciences, Inc. $12
$12
Types of Payments
Food and Beverage $200
Education $44

Biography

Dr. Merry Tetef is a Laguna Hills, CA physician who specializes in adult hematology and adult oncology. On average, patients gave Dr. Tetef a rating of 4.0 stars (out of 5). She has received the distinction of Southern California Super Doctors. She is affiliated with UCLA Health.

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