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DR. LEONARD KORN M.D.
NPI 1851464333
Psychiatry & Neurology - Forensic Psychiatry in Portsmouth, NH

Active since November 15, 2006PECOS Enrolled
330 BORTHWICK AVE, SUITE 111, PORTSMOUTH, NH 03801(603) 431-5350(603) 431-3691 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Leonard Korn M.d. NPPES

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

DR. LEONARD KORN M.D. (NPI 1851464333) is an individual forensic psychiatry provider in Portsmouth, New Hampshire, licensed in New Hampshire (5152) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851464333
Entity TypeIndividualMale
Primary Taxonomy2084F0202X
Provider Legal NameDR. LEONARD KORNCredential: M.D.
Location Address330 BORTHWICK AVE, SUITE 111Portsmouth, NH 03801-4174
Mailing Address330 Borthwick Ave, Suite 111Portsmouth, NH 03801-4174 · (603) 431-5350 · Fax (603) 431-3691
Phone(603) 431-5350
Fax(603) 431-3691
Sole ProprietorYes
Enumeration DateNovember 15, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1851464333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Forensic PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084F0202X
License✔ Licensed in NH · 5152
Definition
Forensic Psychiatry is a subspecialty with psychiatric focus on interrelationships with civil, criminal and administrative law, evaluation and specialized treatment of individuals involved with the legal system, incarcerated in jails, prisons, and forensic psychiatry hospitals.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 5152 (NH)

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leonard Korn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

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

VICTOR KIM M.D.
Surgery
330 BORTHWICK AVE
PORTSMOUTH, NH 03801
Rockingham County (603) 431-5242
DR. HENRY F. PALLATRONI III MD
Neurological Surgery
330 BORTHWICK AVE, SUITE 300
PORTSMOUTH, NH 03801
Rockingham County (603) 433-4666
JAMES G. DINULOS M.D.
Dermatology
330 BORTHWICK AVE, SUITE 303
PORTSMOUTH, NH 03801
Rockingham County (603) 431-5205
MS. ANNE MCGANN A.R.N.P.
Nurse Practitioner (Pediatrics)
330 BORTHWICK AVE, SUITE 202
PORTSMOUTH, NH 03801
Rockingham County (603) 436-7171
PISCATAQUA PLASTIC SURGERY, PA
Plastic Surgery
330 BORTHWICK AVE, STE 206
PORTSMOUTH, NH 03801
Rockingham County (603) 431-5488
THOMAS P CLAIRMONT JR. MD
Internal Medicine
330 BORTHWICK AVE, SUITE 205
PORTSMOUTH, NH 03801
Rockingham County (603) 436-6115
EYESIGHT OPHTHALMIC SERVICES PA
Ophthalmology
330 BORTHWICK AVE, SUITE 307
PORTSMOUTH, NH 03801
Rockingham County (603) 436-1773
PORTSMOUTH PRIMARY CARE ASSO
Internal Medicine
330 BORTHWICK AVE, SUITE 210
PORTSMOUTH, NH 03801
Rockingham County (603) 436-5455

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 Leonard Korn's NPI number?

The NPI number for Leonard Korn is 1851464333. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Leonard Korn located?

Leonard Korn practices at 330 Borthwick Ave Suite 111, Portsmouth, NH 03801. The listed phone number is (603) 431-5350.

What is Leonard Korn's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Forensic Psychiatry, with taxonomy code 2084F0202X.

Is Leonard Korn enrolled in Medicare?

Yes. Leonard Korn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Leonard Korn was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.