Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jeffrey Merkle MD, LLC

Organization Internal Medicine Physician · NPI 1235365198

Jeffrey Merkle MD, LLC is an Internal Medicine Physician in Hackettstown, New Jersey. Licensed in New Jersey. Registered with an NPI since 2009.

Licensed in
NJ
In the registry since
2009
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

254 Mountain Ave Ste 304
Hackettstown, NJ 07840-2407
Phone: (908) 852-6400
Fax: (908) 852-6450
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA07799200 (NJ)
Pediatrics Physician Taxonomy 208000000X · Licence 25MA07799200 (NJ)

Record details

NPI number1235365198
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jeffrey Merkle — Owner/Md · (908) 852-6400
NPI enumeratedJune 5, 2009
Last updated in NPPESMarch 7, 2023
Mailing address254b Mountain Ave, Suite 304, Hackettstown, NJ 07840-2407

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