Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John H Schumann, MD

Internal Medicine Physician in Oklahoma City, OK · enumerated 2006 · practices at Oak Street Health Physicians Group of Oklahoma, LLC.

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

National Provider Identifier

1144383654

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Registry record

Entity type Individual (Type 1)

Name John H Schumann

Credential MD

Sex Male

Practice address 2130 Sw 59th St, Oklahoma City, OK, 73119

Phone (403) 303-7555

Enumeration date Dec 18, 2006

Last updated in NPPES Aug 8, 2023

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036107188 (IL) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD.45192 (AL) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License E-16162 (AR) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 28646 (OK) Primary

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
036107186	Medicaid	IL	-
200343400A	Medicaid	OK	-

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

What is the NPI number for John Schumann?

The National Provider Identifier (NPI) for John Schumann is 1144383654, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Schumann practice?

The practice location on file with NPPES is in Oklahoma City, OK. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-08.