WARREN DAVID JOHNSTON MD NPI 1427052802

NPI Details

Warren David Johnston, MD is a cardiovascular disease internal medicine in Orange, CA with 50 years of experience. The provider is an internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms. Warren David Johnston, MD NPI is 1427052802. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduation Year:1975

The provider's business location address is:

1140 W LA VETA AVE STE 430
ORANGE, CA
ZIP 92868-226
Phone: (714) 543-5555
Fax: (714) 836-2427

The NPI 1427052802 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

• Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
• Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
• Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
• Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
• New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
• Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
• Heart rhythm review and interpretation of continous external ekg over 8-15 days (HCPCS:93248)
• Evaluation of single, dual, multiple lead or leadless pacemaker system (HCPCS:93288)
• Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report (HCPCS:93351)
• Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
• Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
• Insertion of needle into vein for collection of blood sample (HCPCS:36415)
• Ultrasound of heart with color-depicted blood flow, rate and valve function (HCPCS:93325)

The enumeration date for this NPI number is 6/13/2005 and was last updated on 11/3/2021.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.