RUSSELL H HORWITZ MD, PHD
NPI 1477744597
Psychiatry & Neurology - Psychiatry in Potomac, MD

Q: What is Russell Horwitz's NPI number?

The NPI number for Russell Horwitz is 1477744597. It was assigned to this individual provider in the NPPES registry on August 5, 2007.

Q: What is Russell Horwitz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Russell Horwitz was last updated on June 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.

Active since August 05, 2007

8201 KILLEAN WAY, POTOMAC, MD 20854(646) 708-1986 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Russell H Horwitz Md, Phd NPPES

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

RUSSELL H HORWITZ MD, PHD (NPI 1477744597) is an individual psychiatry provider in Potomac, Maryland, licensed in Maryland (D0076586) and active in the NPI registry since August 2007.

NPPES Registry Identity

NPI1477744597

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameRUSSELL H HORWITZCredential: MD, PHD

Location Address8201 KILLEAN WAYPotomac, MD 20854-2728

Mailing Address8201 Killean WayPotomac, MD 20854-2728 · (646) 708-1986

Phone(646) 708-1986

Sole ProprietorNo

Enumeration DateAugust 5, 2007

Last NPPES UpdateJune 20, 2025

NPPES CertifiedJune 20, 2025

✔ NPI 1477744597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MD · D0076586

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

8201 KILLEAN WAY, Potomac, MD 20854

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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 Russell Horwitz's NPI number?

The NPI number for Russell Horwitz is 1477744597. It was assigned to this individual provider in the NPPES registry on August 5, 2007.

Where is Russell Horwitz located?

Russell Horwitz practices at 8201 Killean Way, Potomac, MD 20854. The listed phone number is (646) 708-1986.

What is Russell Horwitz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Russell Horwitz was last updated on June 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.