Justine Ellerman, CRNP
NPI 1043505324 · Psychiatric/Mental Health Nurse Practitioner · Saint Leonard, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justine Ellerman, CRNP is a Psychiatric/Mental Health Nurse Practitioner provider in Saint Leonard, MD (NPI 1043505324).
Provider details
- NPI number
- 1043505324
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- R191521 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
924 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 627 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 188 | $107 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 89 | $77 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 20 | $152 |
Typical Medicare-allowed amounts for these services range $76–$152 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 209 | 39 |
| Clonazepam | 190 | 26 |
| Quetiapine Fumarate | 178 | 20 |
| Sertraline Hcl | 164 | 24 |
| Trazodone Hcl | 148 | 33 |
| Fluoxetine Hcl | 135 | 23 |
| Mirtazapine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-14
- Last updated
- 2011-06-14
Frequently asked questions
- What is Justine Ellerman's NPI number?
- Justine Ellerman's National Provider Identifier (NPI) is 1043505324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justine Ellerman's specialty?
- Justine Ellerman is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Justine Ellerman located?
- Justine Ellerman's practice location on file with NPPES is 400 Ball Rd, Saint Leonard, MD 20685-2116.
- What is Justine Ellerman's phone number?
- The practice phone number listed in the NPPES registry for Justine Ellerman is (516) 754-3268.
- Does Justine Ellerman accept Medicare?
- Justine Ellerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justine Ellerman's NPI active?
- Yes — Justine Ellerman's NPI (1043505324) is active in the NPPES registry as of the last update on 2011-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.