JEFFREY H. KATZ, M.D., L.L.C.
NPI 1053614677
Internal Medicine in Manchester, CT

Active since December 21, 2010CLIA 07D0692283 · Waiver
595 MAIN ST, MANCHESTER, CT 06040(860) 646-1000(860) 645-1120 Get Directions Write a Review

NPPES record last updated: December 28, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jeffrey H. Katz, M.d., L.l.c. NPPES

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

JEFFREY H. KATZ, M.D., L.L.C. (NPI 1053614677) is a healthcare organization registered as an internal medicine in Manchester, Connecticut and active in the NPI registry since December 2010. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Jeffrey Howard Katz, Owner, as its authorized official.

NPPES Registry Identity

NPI1053614677
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJEFFREY H. KATZ, M.D., L.L.C.
Location Address595 MAIN STManchester, CT 06040-5160
Mailing Address595 Main StManchester, CT 06040-5160 · (860) 646-1000 · Fax (860) 645-1120
Fax(860) 645-1120
Organization SubpartNo
Authorized OfficialJeffrey Howard KatzOwner · (860) 646-1000
Enumeration DateDecember 21, 2010
Last NPPES UpdateDecember 28, 2010
NPI 1053614677 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CT · 029236
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.
595 MAIN ST, Manchester, CT 06040

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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 07D0692283

Jeffrey H Katz MD · Manchester, CT
Active · expires Aug 31, 2026
CLIA Number07D0692283
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorJeffrey H. Katz MD
Laboratory Phone(203) 646-1000
Laboratory LocationJeffrey H Katz MD595 Main St, Manchester, CT 06040
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 4

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

Family Medicine
595 MAIN ST
MANCHESTER, CT 06040
Nurse Practitioner (Family)
595 MAIN ST
MANCHESTER, CT 06040
Dietitian, Registered
595 MAIN ST
MANCHESTER, CT 06040
Dietitian, Registered
595 MAIN ST
MANCHESTER, CT 06040

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 H. Katz, M.D., L.L.C.'s NPI number?

The NPI number for Jeffrey H. Katz, M.D., L.L.C. is 1053614677. It was assigned to this organization in the NPPES registry on December 21, 2010.

Where is Jeffrey H. Katz, M.D., L.L.C. located?

Jeffrey H. Katz, M.D., L.L.C. is located at 595 Main St, Manchester, CT 06040. The listed phone number is (860) 646-1000.

What is Jeffrey H. Katz, M.D., L.L.C.'s specialty?

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

Does Jeffrey H. Katz, M.D., L.L.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 07D0692283) is associated with this NPI, valid through August 31, 2026. 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 H. Katz, M.D., L.L.C. was last updated on December 28, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.