IRVIN ROBERT HOROWITZ MD
NPI 1376647537
Dermatology in Rockville, MD

Active since September 11, 2006
121 CONGRESSIONAL LANE, SUITE 416, ROCKVILLE, MD 20852(301) 468-9090(301) 468-1420 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Irvin Robert Horowitz Md NPPES

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

IRVIN ROBERT HOROWITZ MD (NPI 1376647537) is an individual dermatology provider in Rockville, Maryland, licensed in Maryland (D0015098) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1376647537
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameIRVIN ROBERT HOROWITZCredential: MD
Location Address121 CONGRESSIONAL LANE, SUITE 416Rockville, MD 20852-1542
Mailing Address11505 Le Havre DrivePotomac, MD 20854-3119 · (301) 299-6610 · Fax (301) 299-6478
Fax(301) 468-1420
Sole ProprietorNo
Enumeration DateSeptember 11, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1376647537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in MD · D0015098
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
121 CONGRESSIONAL LANE, Rockville, MD 20852

Other Names 1

Professional Name (2)I Robert Horowitz Md

Other Identifiers 2

Medicare UPIND09469
Medicare ID-Type Unspecified174315MD

Other Providers at the Same Location NPPES 2

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

Pediatrics
121 CONGRESSIONAL LANE, SUITE 320
ROCKVILLE, MD 20852
Dentist (Pediatric Dentistry)
121 CONGRESSIONAL LANE, SUITE 500
ROCKVILLE, MD 20852

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 Irvin Horowitz's NPI number?

The NPI number for Irvin Horowitz is 1376647537. It was assigned to this individual provider in the NPPES registry on September 11, 2006. The provider is also known as I Robert Horowitz MD.

Where is Irvin Horowitz located?

Irvin Horowitz practices at 121 Congressional Lane Suite 416, Rockville, MD 20852. The listed phone number is (301) 468-9090.

What is Irvin Horowitz's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

When was this NPI record last updated?

The NPPES record for Irvin Horowitz was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.