Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alonso E. Concha Leon, MD

Pediatrics Physician in Atlantic City, NJ · enumerated 2006.

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

National Provider Identifier

1427149327

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Registry record

Entity type Individual (Type 1)

Name Alonso E. Concha Leon

Credential MD

Sex Male

Practice address 1925 Pacific Ave, Atlantic City, NJ, 08401

Phone (609) 345-4000

Fax (609) 572-8523

Enumeration date Sep 27, 2006

Last updated in NPPES Dec 2, 2018

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 25MA08140100 (NJ) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD429937 (PA) 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
1020803440008	Medicaid	PA	-

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 Alonso Concha Leon practice?

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

What is the NPI number for Alonso Concha Leon?

The National Provider Identifier (NPI) for Alonso Concha Leon is 1427149327, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-02.