Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Charles Langdon, MD

Internal Medicine Physician in Grand Rapids, MI · enumerated 2006.

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

National Provider Identifier

1871541300

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Registry record

Entity type Individual (Type 1)

Name Charles Langdon

Credential MD

Sex Male

Practice address 2332 Alpine Ave Nw, Grand Rapids, MI, 49544

Phone (616) 391-2503

Fax (616) 391-6219

Enumeration date May 5, 2006

Last updated in NPPES Nov 19, 2012

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4301041022 (MI) 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
1104128161	Other	MI	BCBS
4773765	Medicaid	MI	-
1598712390	Other	MI	GROUP NPI
4770914	Medicaid	MI	-
4770960	Medicaid	MI	-
4774010	Medicaid	MI	-
4771125	Medicaid	MI	-

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 is the NPI number for Charles Langdon?

The National Provider Identifier (NPI) for Charles Langdon is 1871541300, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charles Langdon practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-11-19.