SISSI D. HERNANDEZ
NPI 1184262701
Nurse Practitioner - Gerontology in Greenbelt, MD
About Sissi D. Hernandez NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SISSI D. HERNANDEZ (NPI 1184262701) is an individual gerontology provider in Greenbelt, Maryland, licensed in Maryland (RN237980) and active in the NPI registry since December 2019. She is enrolled in Medicare PECOS, is affiliated with Northwest Hospital Center, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sissi D. Hernandez is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Sissi Hernandez reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lanham, MD 20706
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1134117393 (Maryland)
- 1,150 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 5 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, Maryland enrollment
- 301 clinicians in this Medicare group
Pikesville, MD 21208
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 26 clinicians in this Medicare group
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 96 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Hospital Center
Acute Care Hospitals · Randallstown, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20770 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sissi Hernandez's NPI number?
The NPI number for Sissi Hernandez is 1184262701. It was assigned to this individual provider in the NPPES registry on December 13, 2019.
Where is Sissi Hernandez located?
Sissi Hernandez practices at 7474 Greenway Center Dr, Greenbelt, MD 20770. The listed phone number is (301) 441-3050.
What is Sissi Hernandez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Sissi Hernandez enrolled in Medicare?
Yes. Sissi Hernandez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sissi Hernandez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sissi Hernandez reassigns Medicare benefits to 5 organizations: Emergency Medicine Associates P.A., P.C. (Lanham, MD), Ramani Nokku MD PC (Rockville, MD), Mep Health, LLC (Rockville, MD), Post Acute Health Care Services LLC (Pikesville, MD) and Mep Observation Services LLC (Cumberland, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sissi Hernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sissi Hernandez affiliated with any hospitals?
According to CMS data, Sissi Hernandez is affiliated with Northwest Hospital Center.
When was this NPI record last updated?
The NPPES record for Sissi Hernandez was last updated on May 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sissi D. Hernandez · NPI 1184262701
Gerontology physician in Greenbelt, Maryland. Individual provider, active in the CMS NPPES registry since December 13, 2019.
## Identity
- **NPI:** 1184262701 (Entity type: Individual)
- **Enumerated:** December 13, 2019
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** RN237980 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7474 GREENWAY CENTER DR, Greenbelt, MD 20770-3504
- **Phone:** (301) 441-3050
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Associates P.A., P.C. (NPI 1508721846, Lanham, MD); Ramani Nokku MD PC (NPI 1245695345, Rockville, MD); Mep Health, LLC (NPI 1164483558, Rockville, MD); Post Acute Health Care Services LLC (NPI 1982423653, Pikesville, MD); Mep Observation Services LLC (NPI 1093003550, Cumberland, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** May 11, 2020
- **Other identifiers:** Other R237980 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1184262701) · Data from the CMS NPPES public registry.