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

MARK ERNST GIESECKE MD
NPI 1407847601
Psychiatry & Neurology - Psychiatry in Page, AZ

Q: What is Mark Giesecke's NPI number?

The NPI number for Mark Giesecke is 1407847601. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Q: What is Mark Giesecke's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Mark Giesecke 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 27 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 November 04, 2005

463 SOUTH LAKE POWELL BLVD, PAGE, AZ 86040(928) 645-5113(928) 645-3254 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 Mark Ernst Giesecke Md NPPES

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

MARK ERNST GIESECKE MD (NPI 1407847601) is an individual psychiatry provider in Page, Arizona, licensed in Arizona (19591) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1407847601

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameMARK ERNST GIESECKECredential: MD

Location Address463 SOUTH LAKE POWELL BLVDPage, AZ 86040-0790

Mailing Address420 W Havasupai RdFlagstaff, AZ 86001-1510 · (928) 779-5419

Phone(928) 645-5113

Fax(928) 645-3254

Sole ProprietorNo

Enumeration DateNovember 4, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1407847601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in AZ · 19591

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

463 SOUTH LAKE POWELL BLVD, Page, AZ 86040

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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 Mark Giesecke's NPI number?

The NPI number for Mark Giesecke is 1407847601. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Mark Giesecke located?

Mark Giesecke practices at 463 South Lake Powell Blvd, Page, AZ 86040. The listed phone number is (928) 645-5113.

What is Mark Giesecke's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Mark Giesecke 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 27 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.