Sissi D. Hernandez
NPI 1184262701ActiveIndividual· Nurse Practitioner, Gerontology· Greenbelt, MD
Nurse Practitioner, Gerontology with Mep Observation Services LLC and 1 other group, practicing in Greenbelt, Maryland. 384 Medicare patients in 2024, $89,435 paid; nearly all of their 200 Part D prescriptions were generic (96%). Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $47.66 in all, mostly food and beverage. Lists Northwest Hospital Center as a hospital affiliation.
Overview
| NPI | 1184262701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Dec 13, 2019 |
| Last updated in NPPES | May 11, 2020 |
| Certified by provider | May 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | RN237980 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (DC); Practitioner - Nurse Practitioner (MD); Practitioner - Nurse Practitioner (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 384 |
|---|---|
| Services billed | 915 across 13 procedure codes |
| Paid by Medicare | $89,435 |
Part D prescriptions in 2024
| Prescriptions (claims) | 200 · 248 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $9,045 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Mep Observation Services LLCRockville, MD · 44 clinicians
- Ramani Nokku MD PCPikesville, MD · 4 clinicians
Hospital affiliation
- Northwest Hospital CenterRandallstown, MD
Industry payments (Open Payments)
- 2025$47.66 · 2 payments from 2 companies
- 2024$90.75 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $23.93 | 1 |
| Otsuka America Pharmaceutical, Inc. | $23.73 | 1 |
What the 2025 payments were for
- Food and Beverage$47.66 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gerontology nurse practitioners in Greenbelt
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