Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Larry K Chase, MD

Q: What is the NPI number for Larry Chase?

The National Provider Identifier (NPI) for Larry Chase is 1891790408, a Type 1 (individual) record in the CMS NPPES registry.

Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in Springfield, MO · enumerated 2005.

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

National Provider Identifier

1891790408

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Registry record

Entity type Individual (Type 1)

Name Mr. Larry K Chase

Credential MD

Sex Male

Practice address 3525 S National Ave, Ste 101, Springfield, MO, 65807

Phone (417) 269-9950

Fax (417) 269-9959

Enumeration date Jun 20, 2005

Last updated in NPPES Jun 10, 2019

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License R2D20 (MO) Secondary

2083P0011X Undersea and Hyperbaric Medicine (Preventive Medicine) Physician Allopathic & Osteopathic Physicians · License R2D20 (MO) 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
201827912	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.

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Frequently asked questions

What is the NPI number for Larry Chase?

The National Provider Identifier (NPI) for Larry Chase is 1891790408, a Type 1 (individual) record in the CMS NPPES registry.

Where does Larry Chase practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-10.