DR. YTHANH DUY NGUYEN MD NPI 1255391181

NPI Information

  • NPI: 1255391181
  • Provider Name: DR. YTHANH DUY NGUYEN, MD
  • Classification: Hospitalist - 208M00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 999 SAN BERNARDINO RD
    SAN ANTONIO COMMUNITY HOSPITAL
    UPLAND, CA
    ZIP 91786
  • Phone: (562) 236-3432

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NPI Details

DR. Ythanh Duy Nguyen, MD is a hospitalist in Upland, CA with 24 years of experience. The provider is hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients. DR. Ythanh Duy Nguyen, MD NPI is 1255391181. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a female.

The provider's business location address is:

999 SAN BERNARDINO RD
SAN ANTONIO COMMUNITY HOSPITAL
UPLAND, CA
ZIP 91786-920
Phone: (562) 236-3432
Fax: (909) 944-5904

The NPI 1255391181 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.

  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Hospital discharge day management, more than 30 minutes (HCPCS:99239)
  • Hospital discharge day management, 30 minutes or less (HCPCS:99238)
  • Initial hospital observation care per day, typically 70 minutes (HCPCS:99220)
  • Hospital observation care on day of discharge (HCPCS:99217)

The enumeration date for this NPI number is 3/24/2006 and was last updated on 7/19/2019.

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
1207R00000XInternal MedicineA84989CALIFORNIANo
2208M00000XHospitalistA84989CALIFORNIAYes

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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