DAVID MICHAEL HOROWITZ, MD PC
NPI 1487951968
Internal Medicine in Smithtown, NY

Active since February 18, 2011CLIA 33D2017699 · Waiver
2 BROOKSITE DR, SUITE210, SMITHTOWN, NY 11787(631) 724-4048(631) 780-6899 Get Directions Write a Review

NPPES record last updated: March 6, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About David Michael Horowitz, Md Pc NPPES

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

DAVID MICHAEL HOROWITZ, MD PC (NPI 1487951968) is a healthcare organization registered as an internal medicine in Smithtown, New York and active in the NPI registry since February 2011. The organization holds a CLIA Waiver certificate valid through December 15, 2026 and lists David Michael Horowitz, President, as its authorized official.

NPPES Registry Identity

NPI1487951968
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDAVID MICHAEL HOROWITZ, MD PC
Location Address2 BROOKSITE DR, SUITE210Smithtown, NY 11787-3492
Mailing Address2 Brooksite Dr, Suite210Smithtown, NY 11787-3492 · (631) 724-4048 · Fax (631) 780-6899
Fax(631) 780-6899
Organization SubpartNo
Authorized OfficialDavid Michael HorowitzPresident · (631) 724-4048
Enumeration DateFebruary 18, 2011
Last NPPES UpdateMarch 6, 2024
NPI 1487951968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 142369
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.
2 BROOKSITE DR, Smithtown, NY 11787

Other Identifiers 1

Medicaid007735973NY

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 33D2017699

David Michael Horowitz, MD PC · Smithtown, NY
Active · expires Dec 15, 2026
CLIA Number33D2017699
Laboratory TypePhysician Office
Certificate Effective DateDecember 16, 2024
Certificate Expiration DateDecember 15, 2026
Laboratory DirectorDr. David M. Horowitz
Laboratory Phone(631) 780-3900
Laboratory LocationDavid Michael Horowitz, MD PC2 Brooksite Drive Suite 210, Smithtown, NY 11787
CLIA data matches this NPI record on: Address Name
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.

Social Worker (Clinical)
2 BROOKSITE DR, SUITE 220
SMITHTOWN, NY 11787
Clinic/Center (Medical Specialty)
2 BROOKSITE DR
SMITHTOWN, NY 11787
Acupuncturist
2 BROOKSITE DR
SMITHTOWN, NY 11787
Nurse Practitioner (Psychiatric/Mental Health)
2 BROOKSITE DR
SMITHTOWN, NY 11787
Psychiatry & Neurology (Psychiatry)
2 BROOKSITE DR, SUITE 220
SMITHTOWN, NY 11787
Psychiatry & Neurology (Psychiatry)
2 BROOKSITE DR, SUITE 220
SMITHTOWN, NY 11787
Dentist (General Practice)
2 BROOKSITE DR, SUITE 110
SMITHTOWN, NY 11787
Psychiatry & Neurology (Psychiatry)
2 BROOKSITE DR, SUITE 220
SMITHTOWN, NY 11787

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 David Michael Horowitz, MD PC's NPI number?

The NPI number for David Michael Horowitz, MD PC is 1487951968. It was assigned to this organization in the NPPES registry on February 18, 2011.

Where is David Michael Horowitz, MD PC located?

David Michael Horowitz, MD PC is located at 2 Brooksite Dr Suite210, Smithtown, NY 11787. The listed phone number is (631) 724-4048.

What is David Michael Horowitz, MD PC's specialty?

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

Does David Michael Horowitz, MD PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D2017699) is associated with this NPI, valid through December 15, 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 David Michael Horowitz, MD PC was last updated on March 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.