Doctor profile · Federal record
Dr. Leonard Korn, M.D.
Forensic Psychiatry Physician · Psychiatry Physician · Portsmouth, NH
- NPI 1851464333
- 20 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
330 Borthwick Ave, Suite 111
Portsmouth, NH 038014174
(603) 431-5350
fax (603) 431-3691
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- September 11, 2025
- Specialty taxonomy
- 2084F0202X — NUCC code
- State license (1)
- New Hampshire #5152
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851464333. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
723
Distinct HCPCS
4
Medicare allowed
$68,706
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 394 | 48 | $91 | |
90836 |
Psychotherapy with evaluation and management visit, 45 minutes | 195 | 34 | $87 | |
90838 |
Psychotherapy with evaluation and management visit, 1 hour | 95 | 14 | $115 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 18 | $128 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 180. This provider delivers 4.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
585
Patients
56
Total drug cost
$23,075
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 81 | 13 | $1,177 |
| Lorazepam | Generic | 70 | 14 | $1,067 |
| Alprazolam | Generic | 68 | 0 | $787 |
| Escitalopram Oxalate | Generic | 60 | 16 | $1,250 |
| Fluoxetine Hcl | Generic | 46 | 0 | $1,487 |
| Trazodone Hcl | Generic | 42 | 13 | $1,450 |
| Venlafaxine Hcl Er (Venlafaxine Hcl) | Brand | 40 | 0 | $1,502 |
| Aripiprazole | Generic | 32 | 0 | $7,430 |
| Sertraline Hcl | Generic | 28 | 0 | $2,303 |
| Bupropion Xl (Bupropion Hcl) | Brand | 26 | 0 | $1,717 |
Frequently asked questions
What is Dr. Leonard Korn's medical specialty?
Dr. Leonard Korn practices Forensic Psychiatry Physician in Portsmouth, NH.
Where does Dr. Leonard Korn practice?
Dr. Leonard Korn practices at 330 Borthwick Ave, Portsmouth, NH 038014174. Office phone: 6034315350.
What is Dr. Leonard Korn's NPI?
Dr. Leonard Korn's National Provider Identifier (NPI) is 1851464333, issued by NPPES.
What procedures does Dr. Leonard Korn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Psychotherapy with evaluation and management visit (HCPCS 90836); Psychotherapy with evaluation and management visit (HCPCS 90838). Source: CMS Medicare Physician & Other Practitioners file.