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JEFFREY MERKLE MD, LLC
NPI 1235365198
Internal Medicine in Hackettstown, NJ

Active since June 05, 2009CLIA 31D1098910 · Waiver
254 MOUNTAIN AVE, SUITE 304, HACKETTSTOWN, NJ 07840(908) 852-6400(908) 852-6450 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Jeffrey Merkle Md, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY MERKLE MD, LLC (NPI 1235365198) is a healthcare organization registered as an internal medicine in Hackettstown, New Jersey and active in the NPI registry since June 2009. The organization holds a CLIA Waiver certificate valid through April 29, 2027 and lists Jeffrey Merkle, Owner/md, as its authorized official.

NPPES Registry Identity

NPI1235365198
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJEFFREY MERKLE MD, LLC
Location Address254 MOUNTAIN AVE, SUITE 304Hackettstown, NJ 07840-2407
Mailing Address254b Mountain Ave, Suite 304Hackettstown, NJ 07840-2407 · (908) 852-6400 · Fax (908) 852-6450
Phone(908) 852-6400
Fax(908) 852-6450
Organization SubpartNo
Authorized OfficialJeffrey MerkleOwner/md · (908) 852-6400
Enumeration DateJune 5, 2009
Last NPPES UpdateMarch 7, 2023
✔ NPI 1235365198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NJ · 25MA07799200
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 25MA07799200 (NJ)
254 MOUNTAIN AVE, Hackettstown, NJ 07840
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 31D1098910

Jeffrey Merkle MD LLC · Hackettstown, NJ
Active · expires Apr 29, 2027
CLIA Number31D1098910
Laboratory TypePhysician Office
Certificate Effective DateApril 30, 2025
Certificate Expiration DateApril 29, 2027
Laboratory DirectorJeffrey Merkle
Laboratory Phone(908) 852-6400
Laboratory LocationJeffrey Merkle MD LLC254 B Mountain Avenue Suite 100, Hackettstown, NJ 07840
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELLEN SAGAN RDN
Dietitian, Registered
254 MOUNTAIN AVE
HACKETTSTOWN, NJ 07840
Warren County (908) 852-6400
MS. GERALDINE M. KERR ED.S.
Marriage & Family Therapist
254 MOUNTAIN AVE, SUITE 4A
HACKETTSTOWN, NJ 07840
Warren County (908) 813-8232
FAMILY CHIROPRACTIC WORKS LLC
Chiropractor
254 MOUNTAIN AVE, STE 5A
HACKETTSTOWN, NJ 07840
Warren County (908) 850-0522
DR. GREGORY R FINDURA D.C.
Chiropractor
254 MOUNTAIN AVE, SUITE 5A
HACKETTSTOWN, NJ 07840
Warren County (908) 850-0522
DR. GERARD THOMAS CHIARA D.C.
Chiropractor
254 MOUNTAIN AVE, SUITE 5A
HACKETTSTOWN, NJ 07840
Warren County (908) 850-0522
ALICE JEAN SPINA PA-C
Physician Assistant
254 MOUNTAIN AVE, BUILDING B SUITE 102
HACKETTSTOWN, NJ 07840
Warren County (908) 979-1621
LOVING CARE AGENCY, INC.
Home Health
254 MOUNTAIN AVE, BLDG A, SUITE 3
HACKETTSTOWN, NJ 07840
Warren County (908) 979-1803
MRS. DEBORAH ANN MCKINLEY M.A., LPC
Counselor (Professional)
254 MOUNTAIN AVE, SUITE 3
HACKETTSTOWN, NJ 07840
Warren County (908) 852-5015

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Merkle MD, LLC's NPI number?

The NPI number for Jeffrey Merkle MD, LLC is 1235365198. It was assigned to this organization in the NPPES registry on June 5, 2009.

Where is Jeffrey Merkle MD, LLC located?

Jeffrey Merkle MD, LLC is located at 254 Mountain Ave Suite 304, Hackettstown, NJ 07840. The listed phone number is (908) 852-6400.

What is Jeffrey Merkle MD, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Jeffrey Merkle MD, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 31D1098910) is associated with this NPI, valid through April 29, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Jeffrey Merkle MD, LLC was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.