HILLARY ROSENBERG
NPI 1740345362
Nurse Practitioner - Gerontology in Potomac, MD
About Hillary Rosenberg NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HILLARY ROSENBERG (NPI 1740345362) is an individual gerontology provider in Potomac, Maryland, licensed in Maryland (R142291) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of University Of Maryland School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
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
Hillary Rosenberg 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 Reassignment
Medicare enrollment records show Hillary Rosenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 234 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDHoly Cross Germantown Hospital
Acute Care Hospitals · Germantown, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20854 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Hillary Rosenberg's NPI number?
The NPI number for Hillary Rosenberg is 1740345362. It was assigned to this individual provider in the NPPES registry on December 26, 2006.
Where is Hillary Rosenberg located?
Hillary Rosenberg practices at 10718 Potomac Tennis Ln, Potomac, MD 20854. The listed phone number is (202) 308-4992.
What is Hillary Rosenberg's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Hillary Rosenberg enrolled in Medicare?
Yes. Hillary Rosenberg 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 organization bills Medicare for Hillary Rosenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hillary Rosenberg reassigns Medicare benefits to Professional Services Of Holy Cross (Rockville, MD). The 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 Hillary Rosenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hillary Rosenberg affiliated with any hospitals?
According to CMS data, Hillary Rosenberg is affiliated with Holy Cross Hospital and Holy Cross Germantown Hospital.
When was this NPI record last updated?
The NPPES record for Hillary Rosenberg was last updated on March 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Hillary Rosenberg · NPI 1740345362
Gerontology physician in Potomac, Maryland. Individual provider, active in the CMS NPPES registry since December 26, 2006.
## Identity
- **NPI:** 1740345362 (Entity type: Individual)
- **Enumerated:** December 26, 2006
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** R142291 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 10718 POTOMAC TENNIS LN, Potomac, MD 20854-4418
- **Phone:** (202) 308-4992
## 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:** Professional Services Of Holy Cross (NPI 1548124951, Rockville, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** March 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1740345362) · Data from the CMS NPPES public registry.