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Mark A Merlin, DO

Emergency Medicine Physician in East Hanover, NJ · enumerated 2006 · practices at Summit Medical Group PA.

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

National Provider Identifier

1093725822

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Registry record

Entity type Individual (Type 1)
Name Mark A Merlin
Credential DO
Sex Male
Practice address 399 Route 10, East Hanover, NJ, 07936
Fax (908) 577-9809
Enumeration date Aug 8, 2006
Last updated in NPPES Jan 16, 2026

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 282169 (NY) Secondary
207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License OS020981 (PA) Secondary
207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 20890 (NH) Secondary
207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 18612 (CA) Secondary
207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MB066075 (NJ) Secondary
207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 25MB06607500 (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

Other identifiers

Identifier Type State Issuer
8064407 Medicaid NJ -

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 Mark Merlin?
The National Provider Identifier (NPI) for Mark Merlin is 1093725822, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Merlin practice?
The practice location on file with NPPES is in East Hanover, NJ. 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 2026-01-16.