Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christos Konstantelos, DO

Pediatrics Physician in Grand Rapids, MI · enumerated 2006.

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

National Provider Identifier

1114970936

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Registry record

Entity type Individual (Type 1)

Name Christos Konstantelos

Credential DO

Sex Male

Practice address 245 Cherry St Se, Ste 306, Grand Rapids, MI, 49503

Phone (616) 685-8512

Fax (616) 336-9952

Enumeration date May 19, 2006

Last updated in NPPES Jun 6, 2011

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 5101012211 (MI) 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
4774950	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.

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Frequently asked questions

What is the NPI number for Christos Konstantelos?

The National Provider Identifier (NPI) for Christos Konstantelos is 1114970936, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christos Konstantelos practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-06.