Doctor profile · Federal record
Dr. Karen Piren, RN, APN, C
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Lawrenceville, NJ
- NPI 1316165095
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2550 Brunswick Pike
Lawrenceville, NJ 086484103
(609) 396-8877
fax (609) 396-6024 - Mailing address
-
502 Mine RD
Hampton, NJ 088272537
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- July 11, 2012
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- New Jersey #26NJ00012900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316165095. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
51
Distinct HCPCS
1
Medicare allowed
$4,429
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 51 | 13 | $87 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 29. This provider delivers 1.8× the peer median.Open Payments
Industry payments received
All-time total
$216
Transactions
11
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 6 | $133.82 | |
| Neurocrine Biosciences, Inc. | 2 | $34.28 | |
| Teva Pharmaceuticals USA, Inc. | 2 | $32.87 | |
| Braeburn Inc. | 1 | $14.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
735
Patients
0
Total drug cost
$28,365
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Olanzapine | Generic | 83 | 0 | $3,511 |
| Benztropine Mesylate | Generic | 72 | 0 | $1,075 |
| Quetiapine Fumarate | Generic | 70 | 0 | $1,856 |
| Haloperidol Decanoate | Generic | 68 | 0 | $1,949 |
| Divalproex Sodium | Generic | 67 | 0 | $1,994 |
| Trazodone Hcl | Generic | 63 | 0 | $492 |
| Haloperidol | Generic | 53 | 0 | $1,614 |
| Fluoxetine Hcl | Generic | 52 | 0 | $537 |
| Sertraline Hcl | Generic | 46 | 0 | $402 |
| Divalproex Sodium Er (Divalproex Sodium) | Brand | 30 | 0 | $3,556 |
Frequently asked questions
What is Dr. Karen Piren's medical specialty?
Dr. Karen Piren practices Psychiatric/Mental Health Nurse Practitioner in Lawrenceville, NJ.
Where does Dr. Karen Piren practice?
Dr. Karen Piren practices at 2550 Brunswick Pike, Lawrenceville, NJ 086484103. Office phone: 6093968877.
What is Dr. Karen Piren's NPI?
Dr. Karen Piren's National Provider Identifier (NPI) is 1316165095, issued by NPPES.
Does Dr. Karen Piren accept Medicare assignment?
Dr. Karen Piren does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Karen Piren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.