Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JONATHAN L ADLER MD
NPI 1255372884
Internal Medicine - Infectious Disease in Winchester, MA

Q: What is Jonathan Adler's NPI number?

The NPI number for Jonathan Adler is 1255372884. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Q: What is Jonathan Adler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Jonathan Adler was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 08, 2006

15 DUX ST, WINCHESTER, MA 01890(781) 729-0788(781) 729-8118 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Jonathan L Adler Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JONATHAN L ADLER MD (NPI 1255372884) is an individual infectious disease provider in Winchester, Massachusetts, licensed in Massachusetts (31718) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1255372884

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameDR. JONATHAN L ADLERCredential: MD

Location Address15 DUX STWinchester, MA 01890

Mailing Address15 Dux StWinchester, MA 01890 · (781) 729-0788 · Fax (781) 729-8118

Phone(781) 729-0788

Fax(781) 729-8118

Sole ProprietorNo

Enumeration DateJune 8, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1255372884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in MA · 31718

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

15 DUX ST, Winchester, MA 01890

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Other Identifiers 3

Other031718MA · Blue Cross Mass Tufts

Medicaid9739408MA

Other6346MA · Pilgrim M12013

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Adler's NPI number?

The NPI number for Jonathan Adler is 1255372884. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is Jonathan Adler located?

Jonathan Adler practices at 15 Dux St, Winchester, MA 01890. The listed phone number is (781) 729-0788.

What is Jonathan Adler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Jonathan Adler was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.