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Dr. Ronald S. Swerdloff, MD

(Dr. Ronald Swerdloff, M.D.)

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Specializes in: Adult Endocrinology

University of California, San Francisco (UCSF), School of Medicine (1962)

1000 W Carson Street Suite 446
Torrance, CA 90509

(310) 222-5101

Dr. Ronald S. Swerdloff, MD is an endocrinologist in Torrance, CA specializing in adult endocrinology. He graduated from University of California, San Francisco (UCSF), School of Medicine in 1962 and has 64 years of experience. Dr. Ronald S. Swerdloff, MD is affiliated with Harbor-UCLA Medical Center Endocrinology and PROHEALTH PARTNERS, A MEDICAL GROUP.

Office Locations

1000 W Carson Street Suite 446
Torrance, CA 90509

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21840 Normandie Avenue Suite 700
Torrance, CA 90502

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In The News (see more mentions in the news)

“Other researchers, including Dr. Ronald S. Swerdloff, director of the UCLA Population Research Center and professor of medicine at Harbor-UCLA Medical Center in Torrance, are studying injections of...”—"HEALTH : Updating Birth Control : Looking to the Future, Researchers Examine Effects of New Methods", Los Angeles Times, January 2025

“"Our study finds testosterone undecanoate is an effective oral therapy for men with low testosterone levels and has a safety profile consistent with other approved testosterone products, without...”—"ENDO 2021 Roundup: Jatenzo Liver Data, Adrenal Insufficiency, and More", MedPage Today, March 2021

“For the patient who is diagnosed with secondary hypogonadism, "The most common complaint we see in the clinic is decreased libido, or associated decrease in erectile or sexual activity," according...”—"Secondary Hypogonadism in Men - Hypogonadism", MedPage Today, October 2016

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald S. Swerdloff, MD for Medicare patients.

doctor visit	31

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald S. Swerdloff, MD for Medicare patients.

doctor visit	40

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald S. Swerdloff, MD.

**Gender**
Male	16
Female	28

**Ethnicity**
Non-Hispanic White	13
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	19
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald S. Swerdloff, MD in 2013

Hypertension	66
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	30
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald S. Swerdloff, MD for Medicare patients.

doctor visit	27

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald S. Swerdloff, MD.

**Gender**
Male	22
Female	19

**Ethnicity**
Non-Hispanic White	16
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	18
From 75 to 84	0
85 and over	0
Less than 65	12

Conditions of Medicare patients treated by Dr. Ronald S. Swerdloff, MD in 2014

Hypertension	73
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	54
Depression	0
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	32
Chronic Obstructive Pulmonary Disease	0
Diabetes	63
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald S. Swerdloff, MD for Medicare patients.

doctor visit	30

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald S. Swerdloff, MD.

**Gender**
Male	26
Female	36

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

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald S. Swerdloff, MD in 2015

Hypertension	65
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald S. Swerdloff, MD for Medicare patients.

doctor visit	32

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald S. Swerdloff, MD for Medicare patients.

doctor visit	21

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Ronald S. Swerdloff, MD in 2019

Hypertension	0
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Ronald S. Swerdloff, MD for Medicare patients.

doctor visit	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Volume of procedures performed by Dr. Ronald S. Swerdloff, MD for Medicare patients.

doctor visit	28

Average Medicare Patient Data From 2012 - 2020

Information about Medicare patients treated by Dr. Ronald S. Swerdloff, MD.

**Gender**
Male	8
Female	10

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	6
Hispanic	1
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	1
85 and over	0
Less than 65	1
65 to 74	8

Average of Total of Conditions of Medicare patients treated by Dr. Ronald S. Swerdloff, MD From 2012 - 2020

The highest averages of the most common conditions of Medicare patients that Dr. Ronald S. Swerdloff, MD treated were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	25
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	10
Depression	0
Chronic Kidney Disease	5
Asthma	0
Osteoporosis	0
Heart Failure	4
Chronic Obstructive Pulmonary Disease	0
Diabetes	16
Atrial Fibrillation	0
Cancer	0
Dementia	0

Education & Training

Dr. Ronald S. Swerdloff, MD graduated from University of California, San Francisco (UCSF), School of Medicine in 1962. He has a state license in California.

Medical School: University of California, San Francisco (UCSF), School of Medicine (1962)

Licensed In: California

Affiliations & Hospitals

Dr. Ronald S. Swerdloff, MD is associated with these hospitals and organizations:

Harbor-UCLA Medical Center Endocrinology

PROHEALTH PARTNERS, A MEDICAL GROUP

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General Payments

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

**Payments by Company**
Chiasma, Inc.	$7,270 MYCAPSSA $7,270
Clarus Therapeutics Inc.	$5,814 JATENZO $5,814
Novartis Pharmaceuticals Corporation	$5,124 SIGNIFOR $5,124
AbbVie, Inc.	$4,434 Androgel $4,303	Synthroid $131
Antares Pharma, Inc.	$2,234 Otrexup (methotrexate) injection $1,734	OTREXUP $500
Other	$1,557 BASAGLAR $177	LANTUS $163	HUMALOG $157	PNEUMOVAX 23 $125	Strensiq $123	Other $811

**Types of Payments**
Consulting Fee	$11,540
Honoraria	$5,600
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$3,750
Travel and Lodging	$2,980
Food and Beverage	$2,512
Other	$51

Research Payments

Dr. Ronald S. Swerdloff, MD has received 111 research payments totaling $1,504,729.

Biography

Dr. Ronald Swerdloff is a medical specialist in adult endocrinology. He graduated from the University of California, San Francisco (UCSF), School of Medicine. He has received distinctions including Southern California Super Doctors; Southern California Super Doctors 2008; and Los Angeles Super Doctors.