Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen E. Wallace, M.D.

Pediatrics Physician in Springfield, IL · enumerated 2006 · practices at Springfield Pediatric & Adolescent Ctr Lab.

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

National Provider Identifier

1548360134

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen E. Wallace

Credential M.D.

Sex Male

Practice address 2532 Farragut Dr, Springfield, IL, 62704

Phone (217) 787-9424

Enumeration date Sep 23, 2006

Last updated in NPPES Jan 29, 2009

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 036-055346 (IL) 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
036055346	Medicaid	IL	-

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 specialty is Stephen Wallace?

Stephen Wallace is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-01-29.