MR. DAVID HYUN MD NPI 1255312005

NPI Information

  • NPI: 1255312005
  • Provider Name: MR. DAVID HYUN, MD
  • Classification: Internal Medicine - 207RC0000X
  • Specialization: Cardiovascular Disease
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 2020 FOREST AVE STE. 3
    SAN JOSE, CA
    ZIP 95128
  • Phone: (408) 298-0433

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NPI Details

MR. David Hyun, MD is a cardiovascular disease internal medicine in San Jose, CA with 33 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. MR. David Hyun, MD NPI is 1255312005. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

2020 FOREST AVE STE. 3
SAN JOSE, CA
ZIP 95128-805
Phone: (408) 298-0433
Fax: (408) 295-8818

The NPI 1255312005 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, 40-54 minutes (HCPCS:99215)
  • Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) (HCPCS:J0153)
  • Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS:93042)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • Infusion, normal saline solution, 250 cc (HCPCS:J7050)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Programming of dual lead pacemaker system (HCPCS:93280)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
  • Telephone or internet assessment with written report by consulting physician, 5 minutes or more (HCPCS:99451)
  • Transitional care management services for problem of high complexity (HCPCS:99496)
  • Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic (HCPCS:G2012)
  • Heart rhythm recording of continous external ekg over 8-15 days (HCPCS:93246)
  • Heart rhythm review and interpretation of continous external ekg over 8-15 days (HCPCS:93248)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician (HCPCS:93015)
  • Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes (HCPCS:99421)
  • Nuclear medicine studies of heart muscle at rest and with stress and spect (HCPCS:78452)
  • Evaluation of single, dual, or multiple lead implantable defibrillator system (HCPCS:93289)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Transitional care management services for problem of moderate complexity (HCPCS:99495)
  • Nuclear medicine studies of heart muscle at rest and with stress and spect (HCPCS:78452)

The enumeration date for this NPI number is 11/9/2005 and was last updated on 5/6/2023.

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:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RC0000XInternal MedicineCardiovascular Disease10025RLOUISIANANo
2207RC0000XInternal MedicineCardiovascular DiseaseA56256CALIFORNIAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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