Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher R Green, M.D.

Internal Medicine Physician in Alton, IL · enumerated 2006.

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

National Provider Identifier

1568479939

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher R Green

Credential M.D.

Sex Male

Practice address 2 Memorial Dr, Suite 220, Alton, IL, 62002

Phone (618) 474-1723

Fax (618) 462-6989

Enumeration date Aug 1, 2006

Last updated in NPPES Jun 10, 2016

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036-064682 (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
036064682	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

Where does Christopher Green practice?

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

What is the NPI number for Christopher Green?

The National Provider Identifier (NPI) for Christopher Green is 1568479939, a Type 1 (individual) record in the CMS NPPES registry.

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Mark Allendorph Gastroenterology Physician · Alton, IL NPI 1922094002 Thoracic Consultants of Southern Illinois, PC Specialist · Alton, IL NPI 1396723458 Southern Illinois Healthcare Foundation, Inc Federally Qualified Health Center (FQHC) · Alton, IL NPI 1356377568 John Wuellner Internal Medicine Physician · Alton, IL NPI 1558378927 Illinois Institute of Neurology Ltd Neurology Physician · Alton, IL NPI 1467469007 Charles Herzon Obstetrics & Gynecology Physician · Alton, IL NPI 1972699932 Fairview Heights Medical Group Sc Primary Care Clinic/Center · Alton, IL NPI 1982760930 Maryann Pass Women's Health Nurse Practitioner · Alton, IL NPI 1649336116

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-10.