Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers > General Pediatricians

Dr. Ronald W. Cotliar, MD

(25 Ratings)

Specializes in: General Pediatrics

13420 Newport Avenue Suite G
Tustin, CA 92780

(714) 731-0061

Dr. Ronald W. Cotliar, MD is a pediatrician in Tustin, CA specializing in general pediatrics.

Office Locations

13420 Newport Avenue Suite G
Tustin, CA 92780

(714) 731-0061

(714) 731-0164

open_in_new

In The News

“And Dr. Ron Cotliar, chief of pediatric dermatology at Children's Hospital of Orange County, recalled that just before he entered medical school, he honeymooned in the Bahamas and "my wife got so...”—"Dermatologists Take Cover, Shun a Place in the Sun", Los Angeles Times, September 2024

“* Dr. Ronald Cotliar, a dermatologist, oversaw one or more workers who fabricated clinical measurements on scores of patients in an undisclosed drug company-sponsored study at the Irvine Center for...”—"FDA Warnings to State Researchers Rise Sharply", Los Angeles Times, June 2000

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ronald W. Cotliar, MD treated as a pediatrician in Tustin, CA during 2012 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Ronald W. Cotliar, MD for Medicare patients.

diagnostic procedures	33
doctor visit	272
removal of lesion (e.g. growth)	81
skin procedures	81

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ronald W. Cotliar, MD treated as a pediatrician in Tustin, CA during 2013 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Ronald W. Cotliar, MD for Medicare patients.

diagnostic procedures	39
doctor visit	222
removal of lesion (e.g. growth)	116
skin procedures	116

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald W. Cotliar, MD.

**Gender**
Male	106
Female	111

**Ethnicity**
Non-Hispanic White	197
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	64
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald W. Cotliar, MD in 2013

Hypertension	55
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	29
Depression	8
Chronic Kidney Disease	12
Asthma	6
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ronald W. Cotliar, MD treated as a pediatrician in Tustin, CA during 2014 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Ronald W. Cotliar, MD for Medicare patients.

diagnostic procedures	39
doctor visit	247
removal of lesion (e.g. growth)	107
skin procedures	107

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald W. Cotliar, MD.

**Gender**
Male	103
Female	114

**Ethnicity**
Non-Hispanic White	198
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	67
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald W. Cotliar, MD in 2014

Hypertension	52
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	25
Depression	12
Chronic Kidney Disease	13
Asthma	0
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	22
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ronald W. Cotliar, MD treated as a pediatrician in Tustin, CA during 2015 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Ronald W. Cotliar, MD for Medicare patients.

diagnostic procedures	29
doctor visit	250
removal of lesion (e.g. growth)	124
skin procedures	124

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald W. Cotliar, MD.

**Gender**
Male	236
Female	208

**Ethnicity**
Non-Hispanic White	404
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	144
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald W. Cotliar, MD in 2015

Hypertension	58
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	24
Depression	13
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald W. Cotliar, MD treated as a pediatrician in Tustin, CA during 2016 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Ronald W. Cotliar, MD for Medicare patients.

diagnostic procedures	49
doctor visit	303
removal of lesion (e.g. growth)	132
skin procedures	132

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald W. Cotliar, MD.

**Gender**
Male	126
Female	112

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	80
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald W. Cotliar, MD in 2016

Hypertension	53
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	26
Depression	12
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	19
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ronald W. Cotliar, MD treated as a pediatrician in Tustin, CA during 2017 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Ronald W. Cotliar, MD for Medicare patients.

diagnostic procedures	69
doctor visit	404
removal of lesion (e.g. growth)	161
skin procedures	161

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald W. Cotliar, MD.

**Gender**
Male	143
Female	129

**Ethnicity**
Non-Hispanic White	245
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	94
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald W. Cotliar, MD in 2017

Hypertension	55
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	29
Depression	15
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	22
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ronald W. Cotliar, MD treated as a pediatrician in Tustin, CA during 2018 were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

Volume of procedures performed by Dr. Ronald W. Cotliar, MD for Medicare patients.

diagnostic procedures	21
doctor visit	100
removal of lesion (e.g. growth)	47
skin procedures	47

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald W. Cotliar, MD.

**Gender**
Male	57
Female	38

**Age**
From 65 to 74	56
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald W. Cotliar, MD in 2018

Hypertension	54
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2018

Volume of procedures performed by Dr. Ronald W. Cotliar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ronald W. Cotliar, MD treated as a pediatrician in Tustin, CA were removal of lesion (e.g. growth), skin procedures and diagnostic procedures.

diagnostic procedures	39
doctor visit	256
removal of lesion (e.g. growth)	109
skin procedures	109

Average Medicare Patient Data From 2012 - 2018

Information about Medicare patients treated by Dr. Ronald W. Cotliar, MD.

**Gender**
Male	110
Female	101

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	180
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	64
85 and over	0
Less than 65	0
65 to 74	116

Average of Total of Conditions of Medicare patients treated by Dr. Ronald W. Cotliar, MD From 2012 - 2018

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

Hypertension	46
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	23
Depression	10
Chronic Kidney Disease	14
Asthma	4
Osteoporosis	8
Heart Failure	6
Chronic Obstructive Pulmonary Disease	4
Diabetes	16
Atrial Fibrillation	7
Cancer	12
Dementia	3

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Ronald W. Cotliar, MD has a high overall rating with an average of 3.86 out of 5 stars based on 25 ratings. We collect ratings and reviews of Dr. Ronald W. Cotliar, MD from all over the web to help you find the right in Tustin, CA.

3.86

Overall Rating

(25 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Aqua Pharmaceuticals	$613 Cordran $220	ALTABAX $176	XOLEGEL $133	VELTIN $68	Acticlate $16
Almirall LLC	$79 XOLEGEL $79
Amgen Inc.	$70 Enbrel $70
Ranbaxy Inc.	$58 $58
LEO Pharma Inc.	$52 ENSTILAR $52
Other	$188 DUPIXENT $24	Neo-Synalar Cream Kit $22	LOCOID BRAND $19	Ecoza $19	SOOLANTRA $17	Other $87

**Types of Payments**
Food and Beverage	$983
Education	$77

Biography

Dr. Ronald Cotliar practices dermatology (skin disorders) and general pediatrics. Dr. Cotliar has received a 2.5 out of 5 star rating by his patients. Clinical interests for Dr. Cotliar include primary care and neurological disorders. He is professionally affiliated with UCLA Mattel Children's Hospital. He is in-network for several insurance carriers, including Anthem, UnitedHealthcare, and Blue California. According to UCLA Health, new patients are welcome to contact Dr. Cotliar's office in Santa Monica, CA. He attended the University of Kentucky College of Medicine for medical school and subsequently trained at a hospital affiliated with the University of California, Los Angeles (UCLA) for residency. He has received professional recognition including the following: Top Doctors, Los Angeles Magazine; Voted as one of the Best Doctors in America, since inception; and Pediatric Residents Faculty Teaching Award.