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Thomas Lomis, MD

Dr. Lomis is a general surgeon in the Van Nuys area. He is affiliated with Valley Presbyterian Hospital.
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Conditions treated

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

Top 25%
1.9k doctors
Top 15%
1.9k doctors
Top 5%
947 doctors
Dr. Lomis saw more pain patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
550 doctors
Top 15%
551 doctors
Top 5%
275 doctors
Dr. Lomis saw more hernia patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
359 doctors
Top 15%
359 doctors
Top 5%
179 doctors
Dr. Lomis saw more breast cancer patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
442 doctors
Top 15%
441 doctors
Top 5%
220 doctors
Dr. Lomis saw more weakness patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
302 doctors
Top 15%
301 doctors
Top 5%
150 doctors
Dr. Lomis saw more goiter patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
94 doctors
Top 15%
94 doctors
Top 5%
47 doctors
Dr. Lomis saw more ventral hernia patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
377 doctors
Top 15%
376 doctors
Top 5%
188 doctors
Dr. Lomis saw more gallstones patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
203 doctors
Top 15%
203 doctors
Top 5%
101 doctors
Dr. Lomis saw more inguinal hernia patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
136 doctors
Top 15%
135 doctors
Top 5%
67 doctors
Dr. Lomis saw more ganglion cyst patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
547 doctors
Top 15%
548 doctors
Top 5%
273 doctors
Dr. Lomis saw more biliary tract disease patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
1.6k doctors
Top 15%
1.6k doctors
Top 5%
824 doctors
Dr. Lomis saw more digestive tract conditions patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
434 doctors
Top 15%
434 doctors
Top 5%
217 doctors
Dr. Lomis saw more hemorrhoid patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
33 doctors
Top 15%
33 doctors
Top 5%
16 doctors
Dr. Lomis saw more pilonidal cyst patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
46 doctors
Top 15%
46 doctors
Top 5%
22 doctors
Dr. Lomis saw more anal fissure patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
960 doctors
Top 15%
960 doctors
Top 5%
479 doctors
Dr. Lomis saw more thyroid condition patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
227 doctors
Top 15%
227 doctors
Top 5%
113 doctors
Dr. Lomis saw more skin cancer patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
18 doctors
Top 15%
18 doctors
Top 5%
8 doctors
Dr. Lomis saw anal fistula patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
252 doctors
Top 15%
252 doctors
Top 5%
126 doctors
Dr. Lomis saw more carcinoma patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
46 doctors
Top 15%
46 doctors
Top 5%
23 doctors
Dr. Lomis saw stomach cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
35 doctors
Top 15%
34 doctors
Top 5%
17 doctors
Dr. Lomis saw hydrocele patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
987 doctors
Top 15%
988 doctors
Top 5%
493 doctors
Dr. Lomis saw more peripheral vascular disease (PVD) patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
1.7k doctors
Top 15%
1.7k doctors
Top 5%
854 doctors
Dr. Lomis saw vascular disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.

Related services provided

Top 25%
64 doctors
Top 15%
64 doctors
Top 5%
32 doctors
Dr. Lomis saw melanoma patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
41 doctors
Top 15%
42 doctors
Top 5%
20 doctors
Dr. Lomis saw gynecomastia patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
60 doctors
Top 15%
60 doctors
Top 5%
29 doctors
Dr. Lomis saw thyroid cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
32 doctors
Top 15%
32 doctors
Top 5%
15 doctors
Dr. Lomis saw more mastitis patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
139 doctors
Top 15%
138 doctors
Top 5%
69 doctors
Dr. Lomis saw head and neck cancers patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
71 doctors
Top 15%
70 doctors
Top 5%
35 doctors
Dr. Lomis saw rectal cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.

Related services provided

Top 25%
334 doctors
Top 15%
333 doctors
Top 5%
166 doctors
Dr. Lomis saw benign polyps patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.

Related services provided

Top 25%
136 doctors
Top 15%
135 doctors
Top 5%
67 doctors
Dr. Lomis saw more umbilical hernia patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Laparoscopic hernia surgery rate

Dr. Lomis’s laparoscopic hernia surgery rate is lower than the rate we predicted for his mix of cases and patients.
Dr. Lomis 9%
Predicted for his patients 15%

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. Lomis’s rate of laparoscopic hernia surgery compares to a typical doctor who performs hernia surgeries:

  1. We first measure how many of Dr. Lomis’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. Lomis’s.

By comparing these two numbers, you can see whether Dr. Lomis’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. Lomis’s outpatient gallbladder removal rate is higher than the rate we predicted for his mix of cases and patients.
Dr. Lomis 93%
Predicted for his patients 68%

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. Lomis’s rate of outpatient gallbladder removal compares to a typical doctor who performs gallbladder removals:

  1. We first measure how many of Dr. Lomis’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. Lomis’s.

By comparing these two numbers, you can see whether Dr. Lomis’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. Lomis’s outpatient hernia surgery rate is higher than the rate we predicted for his mix of cases and patients.
Dr. Lomis 95%
Predicted for his patients 85%

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. Lomis’s rate of outpatient hernia surgery compares to a typical doctor who performs hernia surgeries:

  1. We first measure how many of Dr. Lomis’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. Lomis’s.

By comparing these two numbers, you can see whether Dr. Lomis’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. Lomis sees patients and can be reached at the following location.

COMPREHENSIVE SURGICAL CENTER
15211 Vanowen St
Van Nuys, CA 91405
2,595 miles away

Reviews

Credentials
  • John Wayne Cancer Institute
    FELLOWSHIP
  • University of Pittsburgh School of Medicine
    MEDICAL EDUCATION, 1992
  • York Hospital Program
    RESIDENCY

Hospital affiliations

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

  • Valley Presbyterian Hospital
    D
    Hospital safety grade (Fall 2018)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • AvMed
  • 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
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • EmblemHealth
  • First Choice Health
  • Harvard Pilgrim Health Care
  • Hawaii Medical Assurance Association
  • Health Net
  • HealthCare Partners
  • HealthSCOPE Benefits
  • HealthSmart
  • Heritage Provider Network
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • MVP Health Care
  • MagnaCare
  • Medicare
  • Meritain Health
  • Premera Blue Cross
  • Providence Health Plan
  • Regence Blue Cross Blue Shield
  • SynerMed
  • United Healthcare
  • Wellmark Blue Cross and Blue Shield