Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert J Ellis, M.D.

Hematology & Oncology Physician in Springfield, MO · enumerated 2006.

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

National Provider Identifier

1720056823

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Registry record

Entity type Individual (Type 1)

Name Robert J Ellis

Credential M.D.

Sex Male

Practice address 3850 S National Ave, Suite 600, Springfield, MO, 65807

Phone (417) 882-4880

Fax (417) 882-7843

Enumeration date Mar 14, 2006

Last updated in NPPES Jul 9, 2025

Taxonomy & licenses

207RX0202X Medical Oncology Physician Allopathic & Osteopathic Physicians · License R8N50 (MO) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License R8N50 (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
204988307	Medicaid	MO	-
0628420001	Other	MO	DMERC
830006713	Other	MO	RAILROAD MEDICARE
129419	Other	MO	ANTHEM BCBS
3600111	Other	MO	UNITED HEALTHCARE

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

Is NPI 1720056823 active?

Yes, as of the latest NPPES snapshot, NPI 1720056823 is active (record last updated 2025-07-09).

How do I verify Robert Ellis's NPI record?

Cross-check NPI 1720056823 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-09.