In 2012, among providers in related specialties within California, Dr. Timothy L Williamson, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 75% of them and he also had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2012 were emergency care and blood draw.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	44
doctor visit	169
emergency care	228

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2013 were emergency care and blood draw.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	43
doctor visit	185
emergency care	252

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	109
Female	155

**Ethnicity**
Non-Hispanic White	234
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	74
85 and over	54
Less than 65	40

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2013

Hypertension	67
High Cholesterol	51
Stroke	8
Ischemic Heart Disease	34
Depression	28
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	16
Atrial Fibrilation	18
Heart Failure	24
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2014 were emergency care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	57
doctor visit	229
emergency care	208
preventive care	21
vaccines	21

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	105
Female	131

**Ethnicity**
Non-Hispanic White	213
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	63
85 and over	39
Less than 65	45

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2014

Hypertension	55
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	31
Depression	39
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	23
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2015 were emergency care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	70
doctor visit	233
emergency care	204
preventive care	50
vaccines	50

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	252
Female	240

**Ethnicity**
Non-Hispanic White	434
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	126
85 and over	62
Less than 65	80

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2015

Hypertension	57
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	29
Depression	30
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	20
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2016 were emergency care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	73
doctor visit	255
emergency care	198
preventive care	28
vaccines	28

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	104
Female	148

**Ethnicity**
Non-Hispanic White	228
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	70
85 and over	42
Less than 65	42

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2016

Hypertension	59
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	31
Asthma	16
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	17
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2017 were emergency care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	43
doctor visit	242
emergency care	197
preventive care	19
vaccines	19

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	109
Female	143

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	74
85 and over	43
Less than 65	24

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2017

Hypertension	60
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	31
Depression	28
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	19
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2018 were emergency care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	84
doctor visit	349
emergency care	174
preventive care	29
vaccines	29

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	112
Female	149

**Ethnicity**
Non-Hispanic White	229
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	69
85 and over	51
Less than 65	24

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2018

Hypertension	58
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	18
Dementia	20
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2019 were emergency care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	88
breast exam	13
doctor visit	444
emergency care	104
gynecologic procedures	13
preventive care	36
vaccines	23

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	86
Female	103

**Ethnicity**
Non-Hispanic White	166
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	49
85 and over	26
Less than 65	21

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2019

Hypertension	58
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	29
Depression	35
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	20
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2020 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	78
doctor visit	390
preventive care	35
vaccines	35

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	38
Female	50

**Ethnicity**
Non-Hispanic White	77
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2020

Hypertension	41
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	13
Depression	30
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2021 were blood draw, preventive care, vaccines and breast exam.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	96
breast exam	13
doctor visit	485
gynecologic procedures	13
preventive care	40
vaccines	40

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	44
Female	56

**Age**
From 65 to 74	60
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2021

Hypertension	50
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	15
Depression	23
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	11
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA during 2022 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

blood draw	84
doctor visit	419
preventive care	36
vaccines	36

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Male	43
Female	47

**Age**
From 65 to 74	54
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2022

Hypertension	59
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	12
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	12
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Timothy L Williamson, MD for Medicare patients.

The highest averages for the top procedures that Dr. Timothy L Williamson, MD treated as a pediatrician in Ojai, CA were emergency care, blood draw, preventive care and vaccines.

blood draw	69
breast exam	13
doctor visit	309
emergency care	195
gynecologic procedures	13
preventive care	32
vaccines	31

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Timothy L Williamson, MD.

**Gender**
Female	111
Male	91

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	163
Native American / Alaskan Native	0
Hispanic	4
Other	0

**Age**
85 and over	28
75 to 84	54
Less than 65	25
65 to 74	90

Average of Total of Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Timothy L Williamson, MD treated were high cholesterol, hypertension, depression and chronic kidney disease.

Hypertension	51
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	23
Depression	25
Chronic Kidney Disease	24
Asthma	6
Osteoporosis	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	16
Atrial Fibrillation	9
Dementia	10
Cancer	9

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Timothy L Williamson, MD has a good overall rating with an average of 3.25 out of 5 stars based on 4 ratings. We collect ratings and reviews of Dr. Timothy L Williamson, MD from all over the web to help you find the right in Ojai, CA.

3.25

Overall Rating

(4 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
BIOTRONIK INC.	$277 Bradycardia products $139	Passeo $127	Itrevia $12
Teva Pharmaceuticals USA, Inc.	$226 PROAIR $116	QNASL $109
Edwards Lifesciences Corporation	$169 SAPIEN 3 Ultra RESILIA $169
Neurent Medical Limited	$125 NEUROMARK Radiofrequency Console $125
Novartis Vaccines and Diagnostics Inc	$37 Menveo $37
Other	$30 PREVNAR - 13 $30

**Types of Payments**
Food and Beverage	$834
Education	$30

Biography

Dr. Timothy Williamson specializes in general practice, emergency medicine, and general pediatrics and practices in Ojai, CA. Dr. Williamson has received a 3.0 out of 5 star rating by his patients.

Select Year:

Dr. Timothy L Williamson, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Timothy L Williamson, MD in 2023

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Timothy L Williamson, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

General Pediatricians in Nearby Locations

Other Providers in Ojai, CA