Darlene Osipuk, MD
NPI 1255456927 · Psychiatry Physician · Mountain Lakes, NJ
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darlene Osipuk, MD is a Psychiatry Physician provider in Mountain Lakes, NJ (NPI 1255456927).
Provider details
- NPI number
- 1255456927
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA03999900 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 56 | — |
| Lamotrigine | 49 | 11 |
| Quetiapine Fumarate | 35 | — |
| Fluoxetine Hcl | 33 | — |
| Escitalopram Oxalate | 31 | — |
| Bupropion Hclbrand: Bupropion Xl | 29 | — |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Darlene Osipuk's NPI number?
- Darlene Osipuk's National Provider Identifier (NPI) is 1255456927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darlene Osipuk's specialty?
- Darlene Osipuk is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Darlene Osipuk located?
- Darlene Osipuk's practice location on file with NPPES is 420 Boulevard, Mountain Lakes, NJ 07046-1742.
- What is Darlene Osipuk's phone number?
- The practice phone number listed in the NPPES registry for Darlene Osipuk is (973) 263-8282.
- Does Darlene Osipuk accept Medicare?
- Darlene Osipuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darlene Osipuk's NPI active?
- Yes — Darlene Osipuk's NPI (1255456927) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.