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Home > CA Providers > Psychologists

David Johnston, PHD

(No ratings)

Specializes in: Psychology

2901 Park Avenue Suite A3
Soquel, CA 95073

(831) 423-9444

David Johnston, PHD is a psychologist in Santa Cruz, CA specializing in psychology.

Office Locations

104 Walnut Avenue Suite 208
Santa Cruz, CA 95060

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2901 Park Avenue Suite A3
Soquel, CA 95073

(831) 423-9444

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In The News

“During 23 years in practice, California psychologist David Johnston says he's counseled 50 middle-aged virgins, collaborating with various surrogate partners.”—""I was a middle-aged virgin"", Salon, October 2003

Noteworthy Medicare Patient Procedures Performed by David Johnston, PHD in 2023

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

Top 25%

By Volume:

individual therapy

In 2012, David Johnston, PHD performed more individual therapy 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 David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2012 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	412

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2013 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	350

2013 Medicare Patient Data

Information about Medicare patients treated by David Johnston, PHD.

**Ethnicity**
Non-Hispanic White	19
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by David Johnston, PHD in 2013

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	58
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2014 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	528

Conditions of Medicare patients treated by David Johnston, PHD in 2014

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	55
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2015 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	459

2015 Medicare Patient Data

Information about Medicare patients treated by David Johnston, PHD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	24

Conditions of Medicare patients treated by David Johnston, PHD in 2015

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	54
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2016 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	498

Conditions of Medicare patients treated by David Johnston, PHD in 2016

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

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2017 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	507

Conditions of Medicare patients treated by David Johnston, PHD in 2017

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	68
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2018 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	498

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2019 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	449

2019 Medicare Patient Data

Information about Medicare patients treated by David Johnston, PHD.

**Gender**
Male	12
Female	11

Conditions of Medicare patients treated by David Johnston, PHD in 2019

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	70
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2020 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	811

2020 Medicare Patient Data

Information about Medicare patients treated by David Johnston, PHD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	11

Conditions of Medicare patients treated by David Johnston, PHD in 2020

Hypertension	50
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	68
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2021 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	880

2021 Medicare Patient Data

Information about Medicare patients treated by David Johnston, PHD.

**Gender**
Male	11
Female	11

Conditions of Medicare patients treated by David Johnston, PHD in 2021

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

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA during 2022 were mental health therapy.

Volume of procedures performed by David Johnston, PHD for Medicare patients.

mental health therapy	709

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by David Johnston, PHD for Medicare patients.

The highest averages for the top procedures that David Johnston, PHD treated as a psychologist in Santa Cruz, CA were mental health therapy.

mental health therapy	554

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by David Johnston, PHD.

**Gender**
Male	2
Female	2

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	1
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	0
85 and over	0
Less than 65	3
65 to 74	0

Average of Total of Conditions of Medicare patients treated by David Johnston, PHD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that David Johnston, PHD treated were depression and hypertension.

Hypertension	4
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	44
Chronic Kidney Disease	0
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Atrial Fibrillation	0
Dementia	0
Cancer	0

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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Biography

Dr. David Johnston practices psychology in Santa Cruz, CA and Soquel, CA. Dr. Johnston has obtained a license to practice in California.

Select Year:

David Johnston, PHD

Office Locations

Therapy on Your Terms

In The News

Noteworthy Medicare Patient Procedures Performed by David Johnston, PHD in 2023

By Volume:

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 David Johnston, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Conditions of Medicare patients treated by David Johnston, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by David Johnston, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Conditions of Medicare patients treated by David Johnston, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Conditions of Medicare patients treated by David Johnston, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by David Johnston, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by David Johnston, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by David Johnston, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

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 David Johnston, PHD From 2012 - 2022

Education & Training

Ratings & Reviews

Biography

Psychologists in Nearby Locations

Other Providers in Santa Cruz, CA