JOHN DIDDAMS M.D.
NPI 1720390941
Otolaryngology in Marquette, MI

Active since July 02, 2010
425 E MICHIGAN ST, MARQUETTE, MI 49855(906) 228-6589 Get Directions Write a Review

NPPES record last updated: July 2, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John Diddams M.d. NPPES

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

JOHN DIDDAMS M.D. (NPI 1720390941) is an individual otolaryngology provider in Marquette, Michigan, licensed in Michigan (4301032322) and active in the NPI registry since July 2010.

NPPES Registry Identity

NPI1720390941
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameJOHN DIDDAMSCredential: M.D.
Location Address425 E MICHIGAN STMarquette, MI 49855-3827
Mailing Address425 E Michigan StMarquette, MI 49855-3827 · (906) 228-6589
Sole ProprietorYes
Enumeration DateJuly 2, 2010
NPI 1720390941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in MI · 4301032322
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
425 E MICHIGAN ST, Marquette, MI 49855

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 John Diddams's NPI number?

The NPI number for John Diddams is 1720390941. It was assigned to this individual provider in the NPPES registry on July 2, 2010.

Where is John Diddams located?

John Diddams practices at 425 E Michigan St, Marquette, MI 49855. The listed phone number is (906) 228-6589.

What is John Diddams's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

When was this NPI record last updated?

The NPPES record for John Diddams was last updated on July 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.