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Harmony Leighton-Seiffer, DO

Cardiovascular Disease Physician in Emerson, NJ · enumerated 2010.

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

National Provider Identifier

1922323120

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Registry record

Entity type Individual (Type 1)
Name Harmony Leighton-Seiffer
Credential DO
Sex Female
Practice address 452 Old Hook Rd Fl 2, Emerson, NJ, 07630
Phone (201) 666-3900
Fax (201) 261-0505
Enumeration date Mar 30, 2010
Last updated in NPPES Mar 17, 2020

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 25 MB09839000 (NJ) 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

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 Harmony Leighton-Seiffer?
The National Provider Identifier (NPI) for Harmony Leighton-Seiffer is 1922323120, a Type 1 (individual) record in the CMS NPPES registry.
Where does Harmony Leighton-Seiffer practice?
The practice location on file with NPPES is in Emerson, NJ. 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 2020-03-17.