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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MICHAEL D BUCK MD
NPI 1689652331
Internal Medicine - Gastroenterology in Salem, OR

Active since January 04, 2006
875 OAK ST SE STE 3010, SALEM, OR 97301(503) 399-7520(503) 362-7344 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Michael D Buck Md NPPES

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

MICHAEL D BUCK MD (NPI 1689652331) is an individual gastroenterology provider in Salem, Oregon, licensed in Oregon (MD11152) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1689652331
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMICHAEL D BUCKCredential: MD
Location Address875 OAK ST SE STE 3010Salem, OR 97301
Mailing Address875 Oak St Se Ste 3010Salem, OR 97301 · (503) 399-7520 · Fax (503) 362-7344
Phone(503) 399-7520
Fax(503) 362-7344
Sole ProprietorNo
Enumeration DateJanuary 4, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1689652331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in OR · MD11152
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
875 OAK ST SE STE 3010, Salem, OR 97301
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Other Identifiers 1

Medicaid006841OR

Other Providers at the Same Location NPPES

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

KATHERINE M HODA MD
Internal Medicine (Gastroenterology)
875 OAK ST SE STE 3010
SALEM, OR 97301
Marion County (503) 399-7520

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 Michael Buck's NPI number?

The NPI number for Michael Buck is 1689652331. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is Michael Buck located?

Michael Buck practices at 875 Oak St SE Ste 3010, Salem, OR 97301. The listed phone number is (503) 399-7520.

What is Michael Buck's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Michael Buck was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.