JOO HA HWANG MD NPI 1194815043

NPI Information

  • NPI: 1194815043
  • Provider Name: JOO HA HWANG, MD
  • Classification: Internal Medicine - 207RG0100X
  • Specialization: Gastroenterology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 300 PASTEUR DR
    STANFORD, CA
    ZIP 94305
  • Phone: (650) 723-4000

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NPI Details

Joo Ha Hwang, MD is a gastroenterology internal medicine in Stanford, CA with 29 years of experience. The provider is an internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs. Joo Ha Hwang, MD NPI is 1194815043. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduation Year:1997

The provider's business location address is:

300 PASTEUR DR
STANFORD, CA
ZIP 94305-200
Phone: (650) 723-4000

The NPI 1194815043 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.

  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43239)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43235)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Other procedure on abdomen (HCPCS:49999)
  • Study of esophageal sensation by balloon distension (HCPCS:91040)
  • Incision of muscle of lower esophagus using an endoscope (HCPCS:43497)
  • Biopsy of large bowel using a flexible endoscope (HCPCS:45380)
  • Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS:G0500)
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS:45385)
  • Colonoscopy (HCPCS:NAN13)
  • Upper gastrointestinal (GI) endoscopy for acid reflux (HCPCS:NAN12)

The enumeration date for this NPI number is 10/13/2006 and was last updated on 4/26/2024.

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
1207RG0100XInternal MedicineGastroenterologyMD00037747WASHINGTONNo
2207RG0100XInternal MedicineGastroenterologyC152676CALIFORNIAYes

Other Identifiers

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

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
18374324MEDICAIDWASHINGTON
2221920OTHERINTERNAL ID-MOTOR VEHICLE ID

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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