Active NPIIndividual provider

Mary E Harris, MD

Internal Medicine, Pulmonary Disease in Madison, New Jersey

NPI Number1669601910
Practice location
300 Madison Ave Fl 3, Madison, NJ 07940-1868
Fax
—
Last updated
February 16, 2026

Mary Elisabeth Harris is an Internal Medicine, Pulmonary Disease based in Madison, NJ. Mary Elisabeth Harris practices in Madison, NJ and has the professional credentials of MD. The NPI Number for Mary Elisabeth Harris is 1669601910 and holds a License No. 253898 (NY). The current practice location address for Mary Elisabeth Harris is 300 Madison Ave Fl 3, Madison, NJ 07940-1868 and can be reached out via phone at 973-822-2772.

Provider Profile Details

NPI Number
1669601910
Provider Name
Mary Elisabeth Harris
Credential
MD
Provider Entity Type
Individual
Gender
Female
Address
300 Madison Ave Fl 3, Madison, NJ 07940-1868
Phone Number
973-822-2772
Primary Taxonomy
Internal Medicine, Pulmonary Disease · 207RP1001X
Sole Proprietor
No
Provider Enumeration Date
July 8, 2009
Last Update Date
February 16, 2026
Certification Date
February 16, 2026
NPI Status
Active

Provider Business Practice Location Address Details

Address
300 Madison Ave Fl 3
Madison, NJ 07940-1868
Zip
07940-1868
Phone Number
973-822-2772
Madison, NJ 07940Get directions →

Provider Business Mailing Address Details

Address
300 Madison Ave Fl 3
Madison, NJ 07940-1868
City
Madison
State
NJ
Zip
07940-1868
Phone Number
973-822-2772

License Information

License Number (1)
253898
License State (1)
NY
Taxonomy (1)
Internal Medicine · 207R00000X
License Number (2)
25MA10266500
License State (2)
NJ
License Number (3)
25MA10266500
License State (3)
NJ
Taxonomy (3)
Internal Medicine, Pulmonary Disease · 207RP1001X · 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 Mary E Harris, MD?

The NPI number of Mary E Harris, MD is 1669601910. It was assigned on July 8, 2009 and is currently active in the NPPES registry.

What is the specialty of Mary E Harris, MD?

Mary E Harris, MD is registered under the primary taxonomy Internal Medicine, Pulmonary Disease (code 207RP1001X), licensed in NY under license number 253898.

Where does Mary E Harris, MD practice?

The practice location is 300 Madison Ave Fl 3, Madison, NJ 07940-1868. The office can be reached at 973-822-2772 (phone).

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 1669601910 directly on the NPPES registry website.

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