Justine Schleiffelder, APRN
NPI 1356807242 · Family Nurse Practitioner · Stony Brook, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justine Schleiffelder, APRN is a Family Nurse Practitioner provider in Stony Brook, NY (NPI 1356807242).
Provider details
- NPI number
- 1356807242
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 343487 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
820 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 227 | $71 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 178 | $102 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 176 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 95 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 62 | $141 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 99 | 36 |
| Prednisone | 85 | 75 |
| Losartan Potassium | 62 | 25 |
| Gabapentin | 58 | 26 |
| Amlodipine Besylate | 56 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 55 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$791 across 44 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-02-15
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Justine Schleiffelder's NPI number?
- Justine Schleiffelder's National Provider Identifier (NPI) is 1356807242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justine Schleiffelder's specialty?
- Justine Schleiffelder is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Justine Schleiffelder located?
- Justine Schleiffelder's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Justine Schleiffelder's phone number?
- The practice phone number listed in the NPPES registry for Justine Schleiffelder is (631) 689-8333.
- Does Justine Schleiffelder accept Medicare?
- Justine Schleiffelder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justine Schleiffelder's NPI active?
- Yes — Justine Schleiffelder's NPI (1356807242) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.