of
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Gary Hamamoto, MD

Dr. Hamamoto is a general surgeon in the Owings Mills area. He is affiliated with Northwest Hospital Center and Sinai Hospital of Baltimore.
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Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
35k doctors
Top 15%
35k doctors
Top 5%
17k doctors
Dr. Hamamoto saw more digestive tract conditions patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
11k doctors
Top 15%
11k doctors
Top 5%
5.4k doctors
Dr. Hamamoto saw more hernia patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
3.8k doctors
Top 15%
3.8k doctors
Top 5%
1.9k doctors
Dr. Hamamoto saw more colon polyps patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
6.8k doctors
Top 15%
6.8k doctors
Top 5%
3.4k doctors
Dr. Hamamoto saw more benign polyps patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
4.4k doctors
Top 15%
4.4k doctors
Top 5%
2.2k doctors
Dr. Hamamoto saw more diverticulosis patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
7.2k doctors
Top 15%
7.2k doctors
Top 5%
3.6k doctors
Dr. Hamamoto saw more gastritis patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
1.3k doctors
Top 15%
1.3k doctors
Top 5%
628 doctors
Dr. Hamamoto saw more fibrocystic breast patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
900 doctors
Top 15%
900 doctors
Top 5%
449 doctors
Dr. Hamamoto saw keloid patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
3.3k doctors
Top 15%
3.3k doctors
Top 5%
1.6k doctors
Dr. Hamamoto saw more lipoma patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
3.6k doctors
Top 15%
3.6k doctors
Top 5%
1.8k doctors
Dr. Hamamoto saw more inguinal hernia patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
6.6k doctors
Top 15%
6.6k doctors
Top 5%
3.3k doctors
Dr. Hamamoto saw more hemorrhoid patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
36k doctors
Top 15%
36k doctors
Top 5%
18k doctors
Dr. Hamamoto saw more vascular disease patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
6.2k doctors
Top 15%
6.2k doctors
Top 5%
3.1k doctors
Dr. Hamamoto saw more breast cancer patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
2.9k doctors
Top 15%
2.9k doctors
Top 5%
1.5k doctors
Dr. Hamamoto saw more umbilical hernia patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
716 doctors
Top 15%
715 doctors
Top 5%
357 doctors
Dr. Hamamoto saw more hidradenitis patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
40k doctors
Top 15%
40k doctors
Top 5%
20k doctors
Dr. Hamamoto saw more pain patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
38k doctors
Top 15%
38k doctors
Top 5%
19k doctors
Dr. Hamamoto saw more cardiovascular disease (CVD) patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
1.3k doctors
Top 15%
1.3k doctors
Top 5%
672 doctors
Dr. Hamamoto saw H. pylori patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
1.8k doctors
Top 15%
1.8k doctors
Top 5%
890 doctors
Dr. Hamamoto saw endometriosis patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.
Top 25%
23k doctors
Top 15%
23k doctors
Top 5%
11k doctors
Dr. Hamamoto saw high cholesterol patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
1.3k doctors
Top 15%
1.3k doctors
Top 5%
659 doctors
Dr. Hamamoto saw anal polyp patients in 2014–2019, but we couldn’t determine whether he was a top doctor for the condition nationwide. Learn more.

Related services provided

Top 25%
10k doctors
Top 15%
10k doctors
Top 5%
5.1k doctors
Dr. Hamamoto saw more biliary tract disease patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
5.9k doctors
Top 15%
5.9k doctors
Top 5%
3.0k doctors
Dr. Hamamoto saw more gallstones patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
19k doctors
Top 15%
19k doctors
Top 5%
9.3k doctors
Dr. Hamamoto saw more cellulitis patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
1.0k doctors
Top 15%
1.0k doctors
Top 5%
511 doctors
Dr. Hamamoto saw more anal fissure patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
1.1k doctors
Top 15%
1.1k doctors
Top 5%
547 doctors
Dr. Hamamoto saw more breast cyst patients than 75% of similar doctors nationwide in 2014–2019. Learn more.

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Top 25%
5.4k doctors
Top 15%
5.4k doctors
Top 5%
2.7k doctors
Dr. Hamamoto saw more sebaceous cyst patients than 85% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
8.8k doctors
Top 15%
8.8k doctors
Top 5%
4.4k doctors
Dr. Hamamoto saw more abscess patients than 95% of similar doctors nationwide in 2014–2019. Learn more.
Top 25%
735 doctors
Top 15%
735 doctors
Top 5%
367 doctors
Dr. Hamamoto saw more pilonidal cyst patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Top 25%
1.8k doctors
Top 15%
1.8k doctors
Top 5%
883 doctors
Dr. Hamamoto saw more ventral hernia patients than 95% of similar doctors nationwide in 2014–2019. Learn more.

Related services provided

Laparoscopic hernia surgery rate

Dr. Hamamoto’s laparoscopic hernia surgery rate is similar to the rate we predicted for his mix of cases and patients.
18%
laparoscopic hernia surgery rate

As a patient, you may prefer a doctor who has a higher rate of laparoscopic hernia surgery to reduce scarring and pain compared to traditional open surgery.

Decision factor

Compared to predicted rates calculated for each doctor’s unique mix of cases and patients

  • Lower than our predicted rate
  • Higher than our predicted rate
  • Similar to our predicted rate

Laparoscopic surgery involves smaller incisions, less scarring, and sometimes less pain than traditional open surgery.

To help you understand how Dr. Hamamoto’s rate of laparoscopic hernia surgery compares to a typical doctor who performs hernia surgeries:

  1. We first measure how many of Dr. Hamamoto’s hernia surgeries were performed laparoscopically.
  2. We then analyze the typical practices of all other doctors in the United States who perform hernia surgeries, using a data-driven model to predict the rate of laparoscopic hernia surgeries for patients like Dr. Hamamoto’s.

By comparing these two numbers, you can see whether Dr. Hamamoto’s rate of laparoscopic hernia surgery is lower than, similar to, or higher than predicted.

This prediction adjusts based on the types of patients the doctor sees, so a doctor who treats sicker patients may have a different predicted rate than a doctor who treats healthier patients.

Outpatient gallbladder removal rate

Dr. Hamamoto’s outpatient gallbladder removal rate is similar to the rate we predicted for his mix of cases and patients.
84%
outpatient gallbladder removal rate

As a patient, you may prefer a doctor who has a higher rate of outpatient gallbladder removal to improve your odds of having an uncomplicated recovery after surgery.

Decision factor

Compared to predicted rates calculated for each doctor’s unique mix of cases and patients

  • Lower than our predicted rate
  • Higher than our predicted rate
  • Similar to our predicted rate

Hospitalizations are costly and associated with a higher risk of infections, so avoiding unnecessary hospital stays can save money and improve your odds of having an uncomplicated recovery after surgery. Gallbladder removals are commonly performed in an outpatient setting, avoiding hospitalizations altogether.

To help you understand how Dr. Hamamoto’s rate of outpatient gallbladder removal compares to a typical doctor who performs gallbladder removals:

  1. We first measure how many of Dr. Hamamoto’s gallbladder removals were performed in an outpatient setting.
  2. We then analyze the typical practices of all other doctors in the United States who perform gallbladder removals, using a data-driven model to predict the rate of outpatient gallbladder removal for patients like Dr. Hamamoto’s.

By comparing these two numbers, you can see whether Dr. Hamamoto’s rate of outpatient gallbladder removal is lower than, similar to, or higher than predicted.

This prediction adjusts based on the types of patients the doctor sees, so a doctor who treats sicker patients may have a different predicted rate than a doctor who treats healthier patients.

Outpatient hernia surgery rate

Dr. Hamamoto’s outpatient hernia surgery rate is similar to the rate we predicted for his mix of cases and patients.
91%
outpatient hernia surgery rate

As a patient, you may prefer a doctor who has a higher rate of outpatient hernia surgery to improve your odds of having an uncomplicated recovery after surgery.

Decision factor

Compared to predicted rates calculated for each doctor’s unique mix of cases and patients

  • Lower than our predicted rate
  • Higher than our predicted rate
  • Similar to our predicted rate

Hospitalizations are costly and associated with a higher risk of infections, so avoiding unnecessary hospital stays can save money and improve your odds of having an uncomplicated recovery after surgery. Hernia surgeries are commonly performed in an outpatient setting, avoiding hospitalizations altogether.

To help you understand how Dr. Hamamoto’s rate of outpatient hernia surgery compares to a typical doctor who performs hernia surgeries:

  1. We first measure how many of Dr. Hamamoto’s hernia surgeries were performed in an outpatient setting.
  2. We then analyze the typical practices of all other doctors in the United States who perform hernia surgeries, using a data-driven model to predict the rate of outpatient hernia surgery for patients like Dr. Hamamoto’s.

By comparing these two numbers, you can see whether Dr. Hamamoto’s rate of outpatient hernia surgery is lower than, similar to, or higher than predicted.

This prediction adjusts based on the types of patients the doctor sees, so a doctor who treats sicker patients may have a different predicted rate than a doctor who treats healthier patients.

Locations

Dr. Hamamoto sees patients and can be reached at the following location.

Surgicenter of Baltimore
23 Crossroads Dr
Owings Mills, MD 21117
416 miles away

Reviews

Credentials
  • The Chicago Medical School/finch University of Health Sci
    MEDICAL EDUCATION, 1979

Specializations

    1. Allopathic & Osteopathic Physicians
    2. Surgery

Hospital affiliations

Dr. Hamamoto is able to admit and treat patients at the following hospitals.

  • Northwest Hospital Center
    D
    Hospital safety grade (Fall 2019)
  • Sinai Hospital of Baltimore
    D
    Hospital safety grade (Fall 2019)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • AvMed
  • Banner Health
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Alabama
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Cross and Blue Shield of Kansas
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross and Blue Shield of Louisiana
  • Blue Cross and Blue Shield of Minnesota
  • Blue Cross and Blue Shield of Mississippi
  • Blue Cross and Blue Shield of Montana
  • Blue Cross and Blue Shield of Nebraska
  • Blue Cross and Blue Shield of New Mexico
  • Blue Cross and Blue Shield of North Dakota
  • Blue Cross and Blue Shield of Oklahoma
  • Blue Cross and Blue Shield of Rhode Island
  • Blue Cross and Blue Shield of Texas
  • Blue Cross and Blue Shield of Vermont
  • Blue Cross and Blue Shield of Wyoming
  • Blue Cross of Idaho
  • Blue Shield of California
  • BlueCross BlueShield of South Carolina
  • BlueCross BlueShield of Tennessee
  • CareFirst BlueCross BlueShield
  • Cigna
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • Dean Health Plan
  • EmblemHealth
  • Evergreen Health Cooperative
  • Fallon Health
  • FirstCarolinaCare
  • FrontPath Health Coalition
  • Geisinger Health Plan
  • Harvard Pilgrim Health Care
  • Health Alliance
  • Health Alliance Plan of Michigan
  • Health First
  • Health Net
  • HealthCare Partners
  • HealthPartners
  • HealthSCOPE Benefits
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Lifetime Healthcare
  • MVP Health Care
  • Magellan Health
  • MagnaCare
  • MedCost
  • Medica
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • Midlands Choice
  • Moda Health
  • MultiPlan
  • Network Health Plan
  • Ohio PPO Connect
  • Optima Health
  • PacificSource
  • Paramount
  • Pomco
  • PreferredOne
  • Premera Blue Cross
  • Priority Health
  • Regence Blue Cross Blue Shield
  • Security Health Plan
  • SummaCare
  • TRICARE
  • The Health Plan
  • Tufts Health Plan
  • UPMC Health Plan
  • United Healthcare
  • ValueOptions
  • WPS Health Insurance
  • WellMed Medical Management
  • Wellmark Blue Cross and Blue Shield