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Dr. Michael Louis Eisenberg, MD

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Specializes in: Urology (Urinary Tract Disease)
Yale School of Medicine (2004)
Professional interests include: in vitro fertilization (IVF), penile disorders, penile implant, and more.
1000 Welch Road Garden Level
Palo Alto, CA 94304

Dr. Michael Louis Eisenberg, MD is an urologist in Palo Alto, CA specializing in urology (urinary tract disease). He graduated from Yale School of Medicine in 2004 and has 22 years of experience. Dr. Michael Louis Eisenberg, MD is affiliated with Stanford Medicine Children's Health and Stanford Health Care.

View Doctor's Full Profile (650) 723-4537

Office Locations

1000 Welch Road Garden Level
Palo Alto, CA 94304
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Stanford Medicine Children's Health

1195 West Fremont Avenue
Sunnyvale, CA 94087
(650) 498-7911
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300 Pasteur Drive
Palo Alto, CA 94305
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Some issues Dr. Michael Louis Eisenberg, MD can help you with:

Hydrocele

A hydrocele is a collection of fluid around the testicle that causes swelling in the scrotum. Hydroceles are common in newborns; they develop when the fluid in the sac surrounding each testicle does not get absorbed before birth. Hydroceles in newborns often disappear on their own during the first year of life. They are rare in adults, but when they occur, they are usually caused by injury, infection, or swelling in the scrotum, testicle, or epididymis, which is a coiled tube behind each testicle.

Hydroceles are typically painless, and surgical repair or removal, called hydrocelectomy, is only necessary if they continue to grow. In a hydrocelectomy, the surgeon makes an incision in or near the scrotum and uses suction to drain the fluid. The sac that contained the fluid may be cut and removed as well, or it may be stitched onto the back of the testis and epididymis, before the incision is closed.

This procedure may be done at an outpatient facility, so a hospital stay is usually not required. Normal activities can be resumed a few days following surgery, but exercise and other strenuous activities should be avoided for about two to four weeks.

Polycystic Ovary Syndrome (PCOS)

Polycystic ovarian syndrome is a common endocrine disorder that causes symptoms such as acne, facial hair, and weight gain. It is often diagnosed when patients experience problems getting pregnant, because PCOS can interfere with ovulation. There is no cure for PCOS, but there are effective treatments that can lessen the severity of the symptoms.

Despite the name, not everyone with polycystic ovarian syndrome develops cysts on their ovaries. It is also possible to have ovarian cysts without having PCOS. The symptoms of polycystic ovarian syndrome are actually related to insulin resistance, a condition where the insulin made by the body is not effectively recognized by the cells. This causes the pancreas to release higher levels of insulin in order to keep blood sugar levels stable, and the excess insulin interferes with hormone production in the pituitary and ovaries, causing the PCOS symptoms.

The symptoms of PCOS include:

  • Weight gain
  • Acne
  • Facial or body hair
  • Thinning head hair
  • Missing or irregular periods
  • Infertility

PCOS is a syndrome, which means that if patients have PCOS, they might not have each and every symptom. Even a few of them might be enough to have physicians check for polycystic ovarian syndrome. A doctor might perform an exam and order blood tests to measure hormone levels.

Treatment for PCOS may include:

  • Insulin sensitizers, which help the body use insulin more effectively, lowering hormone levels. The most commonly used insulin sensitizer is metformin.
  • Weight loss. Being overweight does not cause PCOS, and PCOS can make losing weight difficult. Still, weight loss can improve symptoms for many women.
  • Birth control pills to regulate menstruation and sometimes reduce symptoms such as acne.
  • Fertility medications, especially medications to stimulate ovulation such as clomiphene.
  • Anti-androgen medications, which work to treat symptoms such as acne and facial hair.
  • Low-carb diets, which work similarly to insulin sensitizers to lower hormone levels and help reduce weight.
  • Ovarian drilling or resectioning, surgical procedures sometimes performed if infertility is a persistent problem. These procedures open up the wall of the ovary to temporarily make ovulation more likely.

Polycystic ovarian syndrome is one of the most common endocrine disorders affecting women. Left untreated, it can increase the risk of diabetes, heart disease, and certain cancers. Fortunately there are many good treatment options available.

Robotic Surgery

Robotic surgery is a type of minimally invasive surgery, using a tiny opening to get inside the body instead of making a large cut. It uses small tools attached to a thin robotic arm, which is controlled by the surgeon. Robotic surgery may be referred to by the specific kind of robot that is used. The most advanced robot currently in use is called the da Vinci, and surgery using it is sometimes called da Vinci surgery.

There are many benefits to robotic surgery, both for the patient and the surgeon. Robotic surgery allows for more precise movements and increased control during very delicate surgical procedures. This makes performing surgery accurately much easier for surgeons and reduces fatigue. The smaller 'hand' of the robot can enter the body via a much smaller opening, which reduces the risk of infection and scarring and leads to a faster recovery. The robotic hands also contain tiny moveable cameras among their tools, giving surgeons a much closer view of the procedure than would be possible with traditional surgery.

In The News (see more mentions in the news)

“"Any overall change in development is concerning, because our reproductive system is one of the most important pieces of human biology," Dr. Michael Eisenberg, the study's author, told Stanford...”—"Average penis size has increased - and Ozempic could be to blame, experts say", New York Post, June 2025
“"The fact that there is an association between semen quality and longevity is an important finding," said Dr. Michael Eisenberg, professor of urology and director of male reproductive medicine and...”—"Sperm quality linked to living longer, new study finds", CNN, March 2025
“Dr Michael Eisenberg, a professor of urology at Stanford Medicine, said: 'If we're seeing this fast of a change, it means that something powerful is happening to our bodies.'”—"Average penis size by US state - and where men exaggerate the most", Daily Mail Online, November 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Michael Louis Eisenberg, MD in 2023

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

Top 25%

By Volume:

minor procedures

In 2012, Dr. Michael Louis Eisenberg, MD performed more minor procedures procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2012 were urologic procedures, injections and minimally invasive procedures.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 220
injections 19
minimally invasive procedures 17
urologic procedures 82

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2013 were urologic procedures, injections and minimally invasive procedures.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 219
injections 15
minimally invasive procedures 14
urologic procedures 32

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 107
Black 0
Hispanic 17
Asian 19
Other 0
Native American 0
Age
From 65 to 74 80
From 75 to 84 43
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2013

Hypertension 59
High Cholesterol 53
Stroke 7
Ischemic Heart Disease 32
Depression 19
Chronic Kidney Disease 22
Asthma 0
Osteoperosis 0
Atrial Fibrilation 15
Heart Failure 16
Chronic Obstructive Pulmonary Disease 9
Diabetes 28
Dementia 0
Cancer 30

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2014 were urologic procedures, minimally invasive procedures and injections.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 268
injections 12
minimally invasive procedures 25
urologic procedures 39

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 134
Black 0
Hispanic 21
Asian 27
Other 0
Native American 0
Age
From 65 to 74 112
From 75 to 84 46
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2014

Hypertension 55
High Cholesterol 58
Stroke 6
Ischemic Heart Disease 28
Depression 23
Chronic Kidney Disease 28
Asthma 6
Osteoperosis 0
Atrial Fibrilation 13
Heart Failure 14
Chronic Obstructive Pulmonary Disease 0
Diabetes 28
Dementia 0
Cancer 29

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2015 were urologic procedures, minimally invasive procedures and injections.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 298
injections 16
minimally invasive procedures 24
urologic procedures 45

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Gender
Male 518
Female 24
Ethnicity
Non-Hispanic White 350
Black 32
Hispanic 66
Asian 66
Other 28
Native American 0
Age
From 65 to 74 302
From 75 to 84 118
85 and over 28
Less than 65 94

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2015

Hypertension 61
High Cholesterol 50
Stroke 4
Ischemic Heart Disease 32
Depression 21
Chronic Kidney Disease 28
Asthma 10
Osteoperosis 0
Atrial Fibrilation 15
Heart Failure 17
Chronic Obstructive Pulmonary Disease 9
Diabetes 28
Dementia 0
Cancer 24

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2016 were urologic procedures, injections, minor procedures and hormone therapy.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 311
hormone therapy 21
injections 22
minimally invasive procedures 18
minor procedures 21
urologic procedures 38

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 164
Black 16
Hispanic 40
Asian 26
Other 0
Native American 0
Age
From 65 to 74 147
From 75 to 84 0
85 and over 0
Less than 65 54

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2016

Hypertension 55
High Cholesterol 57
Stroke 0
Ischemic Heart Disease 32
Depression 23
Chronic Kidney Disease 27
Asthma 9
Osteoperosis 0
Atrial Fibrilation 12
Heart Failure 15
Chronic Obstructive Pulmonary Disease 0
Diabetes 28
Dementia 0
Cancer 24

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2017 were minor procedures, hormone therapy, injections and urologic procedures.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 296
hormone therapy 37
injections 28
minor procedures 37
urologic procedures 13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 178
Black 15
Hispanic 27
Asian 24
Other 14
Native American 0
Age
From 65 to 74 147
From 75 to 84 54
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2017

Hypertension 60
High Cholesterol 55
Stroke 5
Ischemic Heart Disease 32
Depression 23
Chronic Kidney Disease 28
Asthma 9
Osteoperosis 0
Atrial Fibrilation 11
Heart Failure 11
Chronic Obstructive Pulmonary Disease 9
Diabetes 32
Dementia 5
Cancer 25

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2018 were minor procedures, hormone therapy, injections and minimally invasive procedures.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 293
hormone therapy 38
injections 23
minimally invasive procedures 13
minor procedures 38
urologic procedures 13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 183
Black 0
Hispanic 39
Asian 23
Other 0
Native American 0
Age
From 65 to 74 148
From 75 to 84 59
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2018

Hypertension 61
High Cholesterol 59
Stroke 5
Ischemic Heart Disease 37
Depression 24
Chronic Kidney Disease 32
Asthma 8
Osteoperosis 0
Atrial Fibrilation 13
Heart Failure 15
Chronic Obstructive Pulmonary Disease 5
Diabetes 28
Dementia 6
Cancer 26

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2019 were minor procedures, hormone therapy, injections and minimally invasive procedures.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 261
hormone therapy 34
injections 15
minimally invasive procedures 12
minor procedures 34
urologic procedures 12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 169
Black 20
Hispanic 24
Asian 27
Other 0
Native American 0
Age
From 65 to 74 132
From 75 to 84 68
85 and over 11
Less than 65 42

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2019

Hypertension 61
High Cholesterol 62
Stroke 0
Ischemic Heart Disease 37
Depression 27
Chronic Kidney Disease 34
Asthma 8
Osteoperosis 4
Atrial Fibrilation 9
Heart Failure 19
Chronic Obstructive Pulmonary Disease 9
Diabetes 30
Dementia 8
Cancer 22

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2020 were minor procedures, hormone therapy and injections.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 211
hormone therapy 23
injections 17
minor procedures 23

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 164
Black 0
Hispanic 21
Asian 17
Other 0
Native American 0
Age
From 65 to 74 139
From 75 to 84 51
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2020

Hypertension 53
High Cholesterol 53
Stroke 0
Ischemic Heart Disease 33
Depression 18
Chronic Kidney Disease 34
Asthma 7
Osteoperosis 0
Atrial Fibrilation 7
Heart Failure 11
Chronic Obstructive Pulmonary Disease 0
Diabetes 26
Dementia 7
Cancer 26

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2021 were minor procedures, hormone therapy, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 226
hormone therapy 30
injections 13
minor procedures 30
ultrasound (sonogram) 14
vascular procedures 14

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 148
Black 11
Hispanic 27
Asian 14
Other 15
Native American 0
Age
From 65 to 74 134
From 75 to 84 50
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2021

Hypertension 58
High Cholesterol 58
Stroke 0
Ischemic Heart Disease 33
Depression 20
Chronic Kidney Disease 27
Asthma 8
Osteoperosis 0
Atrial Fibrilation 9
Heart Failure 12
Chronic Obstructive Pulmonary Disease 7
Diabetes 29
Dementia 5
Cancer 27

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA during 2022 were minor procedures and hormone therapy.

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

doctor visit 254
hormone therapy 39
minor procedures 39

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Ethnicity
Non-Hispanic White 166
Black 0
Hispanic 32
Asian 21
Other 0
Native American 0
Age
From 65 to 74 146
From 75 to 84 61
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD in 2022

Hypertension 67
High Cholesterol 69
Stroke 6
Ischemic Heart Disease 30
Depression 17
Chronic Kidney Disease 18
Asthma 12
Osteoperosis 6
Atrial Fibrilation 13
Heart Failure 11
Chronic Obstructive Pulmonary Disease 8
Diabetes 26
Dementia 0
Cancer 33

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Michael Louis Eisenberg, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael Louis Eisenberg, MD treated as an urologist in Palo Alto, CA were urologic procedures, minor procedures, hormone therapy and injections.

doctor visit 259
hormone therapy 31
injections 18
minimally invasive procedures 17
minor procedures 31
ultrasound (sonogram) 14
urologic procedures 34
vascular procedures 14

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Michael Louis Eisenberg, MD.

Gender
Male 47
Female 2
Ethnicity
Black / African American 8
Asian / Pacific Islander 24
Non-Hispanic White 160
Native American / Alaskan Native 0
Hispanic 28
Other 5
Age
75 to 84 50
85 and over 3
Less than 65 17
65 to 74 135

Average of Total of Conditions of Medicare patients treated by Dr. Michael Louis Eisenberg, MD From 2012 - 2022

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

Hypertension 53
High Cholesterol 52
Stroke 3
Ischemic Heart Disease 29
Depression 19
Chronic Kidney Disease 25
Asthma 7
Osteoporosis 0
Heart Failure 12
Chronic Obstructive Pulmonary Disease 5
Diabetes 25
Atrial Fibrillation 10
Dementia 2
Cancer 24

Education & Training

Dr. Michael Louis Eisenberg, MD graduated from Yale School of Medicine in 2004. He completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. He is certified by the American Board of Urology, Urology and has a state license in California.

Medical School: Yale School of Medicine (2004)

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals (2006)

Board Certification: American Board of Urology, Urology

Licensed In: California

Affiliations & Hospitals

Dr. Michael Louis Eisenberg, MD is associated with these hospitals and organizations:

Stanford Medicine Children's Health
Stanford Health Care

Ratings & Reviews

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General Payments

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

Payments by Company
Gilead Sciences, Inc. $35,006
$35,006
AbbVie, Inc. $11,665 Androgel
$11,609 		Lupron
$56
Gilead Sciences Inc $7,509
$7,509
Auxilium Pharmaceuticals, Inc. $525 XIAFLEX
$525
Coloplast Corp $350 TITAN
$350
Other $724 GENERAL - ERECTILE DYSFUNCTION
$141 		AMS 800 Urinary Control System
$132 		AMS 700
$113 		AMS 700 Series
$77 		Urology
$56 		Other
$206
Types of Payments
Consulting Fee $53,039
Travel and Lodging $1,373
Food and Beverage $1,366

Biography

Dr. Michael Eisenberg works as an urology (urinary tract disease). Before performing his residency at a hospital affiliated with the University of California, San Francisco (UCSF), Dr. Eisenberg attended Yale School of Medicine. His clinical interests include peyronie's disease (penile curvature), erectile dysfunction (impotence), and penile ultrasound. He is professionally affiliated with Stanford Medicine Children's Health and Stanford Health Care.

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