Active NPIIndividual provider

Ernesto R Portillo Diaz, MD

Internal Medicine, Infectious Disease in Perth Amboy, New Jersey

NPI Number1700479078
Practice location
530 New Brunswick Ave, Perth Amboy, NJ 08861-3654
Fax
732-324-4669
Last updated
November 11, 2026

Ernesto Rafael Portillo Diaz is an Internal Medicine, Infectious Disease based in Perth Amboy, NJ. Ernesto Rafael Portillo Diaz practices in Perth Amboy, NJ and has the professional credentials of MD. The NPI Number for Ernesto Rafael Portillo Diaz is 1700479078 and holds a License No. 34370701 (NY). The current practice location address for Ernesto Rafael Portillo Diaz is 530 New Brunswick Ave, Perth Amboy, NJ 08861-3654 and can be reached out via phone at 732-324-5080 and via fax at 732-324-4669.

Provider Profile Details

NPI Number
1700479078
Provider Name
Ernesto Rafael Portillo Diaz
Credential
MD
Provider Entity Type
Individual
Gender
Male
Address
530 New Brunswick Ave, Perth Amboy, NJ 08861-3654
Phone Number
732-324-5080
Fax Number
732-324-4669
Primary Taxonomy
Internal Medicine, Infectious Disease · 207RI0200X
Sole Proprietor
No
Provider Enumeration Date
February 17, 2021
Last Update Date
November 11, 2026
Certification Date
November 11, 2026
NPI Status
Active

Provider Business Practice Location Address Details

Address
530 New Brunswick Ave
Perth Amboy, NJ 08861-3654
Zip
08861-3654
Phone Number
732-324-5080
Fax Number
732-324-4669
Perth Amboy, NJ 08861Get directions →

Provider Business Mailing Address Details

Address
530 New Brunswick Ave
Perth Amboy, NJ 08861-3654
City
Perth Amboy
State
NJ
Zip
08861-3654
Phone Number
732-324-5080
Fax Number
732-324-4669

License Information

License Number
34370701
License State
NY
Taxonomy
Internal Medicine, Infectious Disease · 207RI0200X · Primary

Legacy Identifiers

IdentifierTypeStateIssuer
No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider.

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Frequently Asked Questions

What is the NPI number of Ernesto R Portillo Diaz, MD?

The NPI number of Ernesto R Portillo Diaz, MD is 1700479078. It was assigned on February 17, 2021 and is currently active in the NPPES registry.

What is the specialty of Ernesto R Portillo Diaz, MD?

Ernesto R Portillo Diaz, MD is registered under the primary taxonomy Internal Medicine, Infectious Disease (code 207RI0200X), licensed in NY under license number 34370701.

Where does Ernesto R Portillo Diaz, MD practice?

The practice location is 530 New Brunswick Ave, Perth Amboy, NJ 08861-3654. The office can be reached at 732-324-5080 (phone) or 732-324-4669 (fax).

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.

How do I verify this NPI record?

This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1700479078 directly on the NPPES registry website.

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