Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mario Jc De Meireles, MD

Geriatric Medicine (Internal Medicine) Physician in Dearborn, MI · enumerated 2005.

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

National Provider Identifier

1255335097

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Registry record

Entity type Individual (Type 1)

Name Mario Jc De Meireles

Credential MD

Sex Male

Practice address 23874 Kean St, Dearborn, MI, 48124

Phone (313) 359-0801

Fax (313) 359-2674

Enumeration date Jun 9, 2005

Last updated in NPPES Mar 31, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4301061758 (MI) Secondary

207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 4301061758 (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
3326713 10	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

Is NPI 1255335097 active?

Yes, as of the latest NPPES snapshot, NPI 1255335097 is active (record last updated 2020-03-31).

How do I verify Mario De Meireles's NPI record?

Cross-check NPI 1255335097 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-31.