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Warren Johnston in Fullerton, California

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Warren Johnston has Cardiovascular Disease (cardiology) as his primary medical specialty. Their primary office is: 1950 Sunny Crest Dr in Fullerton, California. There is an additional office location, for a total of two, for Warren Johnston that can be viewed further down.

They're a part of the: Providence Medical Foundation medical group which has around 1,270 members. You can call their office at 714-992-5350 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended University Of Rochester School Of Medicine And Dentistry and graduated in 1975 (around 49 years of experience). They are listed as doing telehealth appointments.


Warren David Johnston Office Phone and Directions

Warren Johnston
Providence Medical Foundation
1950 Sunny Crest Dr
Fullerton, California 92835
714-992-5350


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Phone: 714-992-5350


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Healthcare Info for Warren Johnston

Medical School: University Of Rochester School Of Medicine And Dentistry
Graduation Year: 1975
The Primary Medical Specialty for Warren Johnston is listed as: Cardiovascular Disease (cardiology)
Approximate Years of Experience: 49
PAC (PECOS ID)#: 6103900063
NPI #: 1427052802
NPI Created On: 06/13/2005
NPI Last Updated Listed as: 11/03/2021
Primary Taxonomy Code: 207RC0000X
License Number:
G33255
Listed Gender: Male

Insurance, Services, Charges


Forms of insurance accepted by include, but are not limited to:

  • Humana
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: English.


Services and Procedures include:

  1. External ekg recording for more than 48 hours up to 21 days
  2. Review and interpretation of external ekg recording for more than 48 hours up to 21 days
  3. Routine ekg using at least 12 leads including interpretation and report
  4. Evaluation of parameters of leadless, single, dual, or multiple lead pacemaker system with qualified health care professional analysis, review, and report
  5. Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function
  6. Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function
  7. Doppler ultrasound study of heart blood flow, valves, and chambers
  8. Doppler ultrasound study of color-directed heart blood flow, rate, and valve function
  9. Ultrasound examination and continuous monitoring of the heart performed during rest, exercise, and/or drug-induced stress with interpretation and report
  10. New patient office or other outpatient visit, typically 45 minutes
  11. Established patient office or other outpatient visit, typically 15 minutes
  12. Established patient office or other outpatient, visit typically 25 minutes
  13. Established patient office or other outpatient, visit typically 40 minutes
  14. Subsequent hospital inpatient care, typically 25 minutes per day

They took part in Medicare's Electronic Health Record Incentive Program which was designed to help move people over to electronic records and improve the systems that were already in place.
They took part in the Medicare Physician Quality Reporting System (PQRS).

Open Payments Data. This can include items to test (Durable Medical Equipment (DME)), Biological, Drug Samples, etc. This data must be reported to CMS.


Payments Total: $20

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788221473

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Cardiology

Name of Drug #1: UPTRAVI

Open Associated Drug #1: 66215-602-14

Drug or Biological: Drug

Product Category #2: Cardiology

Name Of Drug #2:: OPSUMIT

Associated Drug #2: 66215-501-30


Payments Total: $20

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788221475

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Cardiology

Name of Drug #1: UPTRAVI

Open Associated Drug #1: 66215-602-14

Drug or Biological: Drug

Product Category #2: Cardiology

Name Of Drug #2:: OPSUMIT

Associated Drug #2: 66215-501-30


Payments Total: $19

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788221477

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Cardiology

Name of Drug #1: UPTRAVI

Open Associated Drug #1: 66215-602-14

Drug or Biological: Drug

Product Category #2: Cardiology

Name Of Drug #2:: OPSUMIT

Associated Drug #2: 66215-501-30


Payments Total: $20

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788221479

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Cardiology

Name of Drug #1: UPTRAVI

Open Associated Drug #1: 66215-602-14

Drug or Biological: Drug

Product Category #2: Cardiology

Name Of Drug #2:: OPSUMIT

Associated Drug #2: 66215-501-30


Payments Total: $24

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788221469

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Cardiovascular & Metabolism

Name of Drug #1: XARELTO

Open Associated Drug #1: 50458-580-30

Drug or Biological: Drug

Product Category #2: Cardiovascular & Metabolism

Name Of Drug #2:: INVOKANA

Associated Drug #2: 50458-140-30


Payments Total: $14

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 788221471

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Cardiovascular & Metabolism

Name of Drug #1: INVOKANA

Open Associated Drug #1: 50458-140-30

Drug or Biological: Drug

Product Category #2: Cardiovascular & Metabolism

Name Of Drug #2:: XARELTO

Associated Drug #2: 50458-580-30


Payments Total: $25

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 827264559

Being Disputed:: No

Product Related: Yes

Drug or Biological: Device

Product Category #1: Pacemakers

Name of Drug #1: Azure


Payments Total: $168

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 827264569

Being Disputed:: No

Product Related: Yes

Drug or Biological: Device

Product Category #1: Pacemakers

Name of Drug #1: Micra


Payments Total: $77

Number of Payments:: 1

Form of Payment: In-kind items and services

Third party is a Charity:: No

Record ID:: 826541551

Being Disputed:: No

Product Related: No


Payments Total: $22

Number of Payments:: 1

Form of Payment: In-kind items and services

Record ID:: 843442885

Being Disputed:: No

Product Related: Yes

Drug or Biological: Drug

Product Category #1: Cardiology/Vascular Diseases

Name of Drug #1: MULTAQ

Open Associated Drug #1: 0024-4142-10


Additional Office Locations

1. Providence Medical Foundation
1010 W La Veta Ave
Orange, CA 92868
Suite 200
Group Members: 1,270

Phone: 714-992-5350

Enter a starting address:


Cardiovascular Disease (cardiology) Professionals in Fullerton

1950 Sunny Crest Dr
Fullerton, CA
Providence Medical Foundation

1950 Sunny Crest Dr
Fullerton, CA
Providence Medical Foundation

1950 Sunny Crest Dr
Fullerton, CA
Providence Medical Foundation

1950 Sunny Crest Dr
Fullerton, CA
Providence Medical Foundation

1950 Sunny Crest Dr
Fullerton, CA
Providence Medical Foundation

1950 Sunny Crest Dr
Fullerton, CA
Providence Medical Foundation

Providers in Providence Medical Foundation

1.Lea Dominique Abadies

1950 Sunny Crest Dr
Fullerton Ca 92835-3641
Providence Medical Foundation
Physician Assistant

2.Sonja Abbassi

27799 Medical Ctr Rd
Mission Viejo Ca 92691-6400
Providence Medical Foundation
Internal Medicine

3.Sonja Abbassi

1950 Sunny Crest Dr
Fullerton Ca 92835-3641
Providence Medical Foundation
Internal Medicine

4.Shenoda Abd Elmaseh

27799 Medical Ctr Rd
Mission Viejo Ca 92691-6400
Providence Medical Foundation
Family Practice

5.Shenoda Abd Elmaseh

1950 Sunny Crest Dr
Fullerton Ca 92835-3641
Providence Medical Foundation
Family Practice

6.Abdul Abdali

2700 Dolbeer St
Eureka Ca 95501-4736
Providence Medical Foundation
Hospitalist

View all 1,270 members of Providence Medical Foundation medical group