Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Allison L Chalupa, MD

Hospitalist Physician in Saint Louis, MO · enumerated 2015.

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

National Provider Identifier

1780066068

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Registry record

Entity type Individual (Type 1)

Name Dr. Allison L Chalupa

Credential MD

Sex Female

Practice address 1 Childrens Pl, Div Ped Hospitalist Med, Saint Louis, MO, 63110

Phone (314) 454-2076

Fax (314) 747-8953

Enumeration date Jun 23, 2015

Last updated in NPPES Apr 15, 2025

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 2018007977 (MO) Primary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 2018007977 (MO) Secondary

2080P0204X Pediatric Emergency Medicine (Pediatrics) Physician Allopathic & Osteopathic Physicians · License 2018007977 (MO) 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
200054496	Medicaid	MO	-

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 Allison Chalupa?

Allison Chalupa is registered in NPPES with the primary taxonomy of Hospitalist 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 2025-04-15.