Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Adolph Oltmann, MD

Internal Medicine Physician in Stuttgart, AR · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1871676403

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Registry record

Entity type Individual (Type 1)

Name Michael Adolph Oltmann

Credential MD

Sex Male

Practice address 1609 N Medical Dr, Stuttgart, AR, 72160

Phone (870) 673-7211

Fax (870) 672-6823

Enumeration date Oct 24, 2006

Last updated in NPPES May 13, 2014

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License LL28005 (SC) Primary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License E6212 (AR) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
100907002	Medicaid	AR	-
201481729	Medicaid	AR	-
2010478729	Medicaid	AR	-
129735729	Medicaid	AR	-
201479729	Medicaid	AR	-
201482729	Medicaid	AR	-
129734729	Medicaid	AR	-
201477729	Medicaid	AR	-
100904105	Medicaid	AR	-
136428729	Medicaid	AR	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1871676403 active?

Yes, as of the latest NPPES snapshot, NPI 1871676403 is active (record last updated 2014-05-13).

How do I verify Michael Oltmann's NPI record?

Cross-check NPI 1871676403 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

Marion Hord Family Medicine Physician · Stuttgart, AR NPI 1235194481 Seth Kleinbeck Family Medicine Physician · Stuttgart, AR NPI 1912962143 Dennis Yelvington Family Medicine Physician · Stuttgart, AR NPI 1932164035 Raymond Coker Family Medicine Physician · Stuttgart, AR NPI 1457316556 Noble Daniel Family Medicine Physician · Stuttgart, AR NPI 1407812126 Christopher Morgan Family Medicine Physician · Stuttgart, AR NPI 1255397006 William Hawkins Family Medicine Physician · Stuttgart, AR NPI 1720044548 Paula Hooks Nurse Practitioner · Stuttgart, AR NPI 1922188226

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-05-13.