Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert Maxson, M.D.

Critical Care Medicine (Internal Medicine) Physician in Palos Heights, IL · enumerated 2010.

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

National Provider Identifier

1194036632

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert Maxson

Credential M.D.

Sex Male

Practice address 12255 S 80th Ave Ste 204, Palos Heights, IL, 60463

Phone (708) 923-3388

Fax (708) 923-3380

Enumeration date Jun 30, 2010

Last updated in NPPES Dec 29, 2022

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 036148794 (IL) 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
036148794	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Robert Maxson?

Robert Maxson is registered in NPPES with the primary taxonomy of Critical Care Medicine (Internal Medicine) 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 2022-12-29.