Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert G Good, DO

Internal Medicine Physician in Mattoon, IL · enumerated 2006.

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

National Provider Identifier

1639122922

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert G Good

Credential DO

Sex Male

Practice address 200 Lerna Road South, Mattoon, IL, 61938

Phone (217) 258-5900

Fax (217) 258-3686

Enumeration date May 18, 2006

Last updated in NPPES Jun 11, 2012

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036091669 (IL) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
036091669	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.

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Frequently asked questions

How do I verify Robert Good's NPI record?

Cross-check NPI 1639122922 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1639122922 active?

Yes, as of the latest NPPES snapshot, NPI 1639122922 is active (record last updated 2012-06-11).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-06-11.