Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph Frederick Elfrink, MD

Emergency Medicine Physician in Cape Girardeau, MO · enumerated 2022.

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

National Provider Identifier

1942931951

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Joseph Frederick Elfrink

Credential MD

Sex Male

Practice address 1701 Lacey St, Cape Girardeau, MO, 63701

Phone (573) 651-5555

Enumeration date Jun 21, 2022

Last updated in NPPES Jul 24, 2025

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 2025027047 (MO) Primary

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

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

Where does Joseph Elfrink practice?

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

What is the NPI number for Joseph Elfrink?

The National Provider Identifier (NPI) for Joseph Elfrink is 1942931951, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-24.