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Jean Madinger Johnston, MD

Pediatrics Physician in Commack, NY · enumerated 2006.

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

National Provider Identifier

1982773792

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Registry record

Entity type Individual (Type 1)
Name Jean Madinger Johnston
Credential MD
Sex Female
Practice address 154 Commack Rd, Commack, NY, 11725
Phone (631) 499-8282
Fax (631) 462-5462
Enumeration date Nov 7, 2006
Last updated in NPPES Jan 4, 2010

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 165968 (NY) 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
CP502 Other - OXFORD
01747382 Medicaid NY -
457X21 Other - EMPIRE BCBS

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 Jean Johnston?
The National Provider Identifier (NPI) for Jean Johnston is 1982773792, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jean Johnston practice?
The practice location on file with NPPES is in Commack, NY. 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 2010-01-04.