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JOHN P. KATZENBERG
NPI 1689716813
Internal Medicine in Groton, MA

Active since February 13, 2007
292 MAIN ST., GROTON, MA 01450(978) 448-6855(978) 448-2202 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John P. Katzenberg NPPES

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

JOHN P. KATZENBERG (NPI 1689716813) is a healthcare organization registered as an internal medicine in Groton, Massachusetts and active in the NPI registry since February 2007. The organization lists John P. Katzenberg, Owner Physician, as its authorized official.

NPPES Registry Identity

NPI1689716813
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJOHN P. KATZENBERG
Location Address292 MAIN ST.Groton, MA 01450
Mailing Address292 Main St.Groton, MA 01450 · (978) 448-6855 · Fax (978) 448-2202
Phone(978) 448-6855
Fax(978) 448-2202
Organization SubpartNo
Authorized OfficialJohn P. KatzenbergOwner Physician · (978) 448-6855
Enumeration DateFebruary 13, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1689716813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
292 MAIN ST., Groton, MA 01450
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Other Identifiers 1

Medicaid6181708MA

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

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 John P. Katzenberg's NPI number?

The NPI number for John P. Katzenberg is 1689716813. It was assigned to this organization in the NPPES registry on February 13, 2007.

Where is John P. Katzenberg located?

John P. Katzenberg is located at 292 Main St., Groton, MA 01450. The listed phone number is (978) 448-6855.

What is John P. Katzenberg's specialty?

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

When was this NPI record last updated?

The NPPES record for John P. Katzenberg was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.