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

MARTIN P. ALTMAN M.D.
NPI 1437110491
Internal Medicine - Gastroenterology in Saint Charles, MO

Active since March 30, 2006
400 1ST CAPITOL DR, SUITE 201, SAINT CHARLES, MO 63301(636) 669-2332(636) 669-2401 Get Directions Write a Review

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

About Martin P. Altman M.d. NPPES

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

MARTIN P. ALTMAN M.D. (NPI 1437110491) is an individual gastroenterology provider in Saint Charles, Missouri, licensed in Missouri (R5055) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1437110491
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMARTIN P. ALTMANCredential: M.D.
Location Address400 1ST CAPITOL DR, SUITE 201Saint Charles, MO 63301-2880
Mailing Address1551 Wall St, Suite 310Saint Charles, MO 63303-3539 · (636) 669-2268 · Fax (636) 669-2401
Fax(636) 669-2401
Sole ProprietorNo
Enumeration DateMarch 30, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1437110491 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 MO · R5055
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.

400 1ST CAPITOL DR, Saint Charles, MO 63301

Other Providers at the Same Location NPPES 20

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

Physical Therapist
400 1ST CAPITOL DR, SUITE 101
SAINT CHARLES, MO 63301
Nurse Practitioner (Family)
400 1ST CAPITOL DR, SUITE 301
SAINT CHARLES, MO 63301
Psychiatry & Neurology (Neurology)
400 1ST CAPITOL DR
SAINT CHARLES, MO 63301
Thoracic Surgery (Cardiothoracic Vascular Surgery)
400 1ST CAPITOL DR, SUITE 301
SAINT CHARLES, MO 63301
Psychiatry & Neurology (Neurology)
400 1ST CAPITOL DR, SUITE 407
SAINT CHARLES, MO 63301
Internal Medicine (Cardiovascular Disease)
400 1ST CAPITOL DR
SAINT CHARLES, MO 63301
Surgery
400 1ST CAPITOL DR
SAINT CHARLES, MO 63301
Internal Medicine (Gastroenterology)
400 1ST CAPITOL DR, SUITE 201
SAINT CHARLES, MO 63301

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 Martin Altman's NPI number?

The NPI number for Martin Altman is 1437110491. It was assigned to this individual provider in the NPPES registry on March 30, 2006.

Where is Martin Altman located?

Martin Altman practices at 400 1st Capitol Dr Suite 201, Saint Charles, MO 63301. The listed phone number is (636) 669-2332.

What is Martin Altman'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 Martin Altman was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.