DR. MARK DAVID GUSACK M.D.
NPI 1912948050
Pathology - Anatomic Pathology & Clinical Pathology in Augusta, ME

Q: What is Mark Gusack's NPI number?

The NPI number for Mark Gusack is 1912948050. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Q: What is Mark Gusack's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Mark Gusack 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 2 months 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 09, 2006

1 CENTER ST, AUGUSTA, ME 04330(207) 623-8411(207) 621-7314 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Dr. Mark David Gusack M.d. NPPES

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

DR. MARK DAVID GUSACK M.D. (NPI 1912948050) is an individual anatomic pathology & clinical pathology provider in Augusta, Maine, licensed in Maine (016135) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1912948050

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. MARK DAVID GUSACKCredential: M.D.

Location Address1 CENTER STAugusta, ME 04330-6410

Mailing Address734 Lakeview DrChina, ME 04358-4315 · (207) 215-4302

Phone(207) 623-8411

Fax(207) 621-7314

Sole ProprietorNo

Enumeration DateJune 9, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1912948050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Licenses✔ Licensed in ME · 016135✔ Licensed in NY · 162605

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

1 CENTER ST, Augusta, ME 04330

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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. JOHN CHRISTOPHER BACHMAN PA-C

Physician Assistant (Medical)

1 CENTER ST, VAMC TOGUS
AUGUSTA, ME 04330

Kennebec County (207) 623-8411

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 Gusack's NPI number?

The NPI number for Mark Gusack is 1912948050. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is Mark Gusack located?

Mark Gusack practices at 1 Center St, Augusta, ME 04330. The listed phone number is (207) 623-8411.

What is Mark Gusack's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for Mark Gusack 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 2 months 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.