OLIVIA PERRELLI
NPI 1285111880
Nurse Practitioner - Gerontology in Hagerstown, MD
About Olivia Perrelli NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA PERRELLI (NPI 1285111880) is an individual gerontology provider in Hagerstown, Maryland, licensed in Maryland (MP4990950) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Cumberland, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Olivia Perrelli 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
2Medicare enrollment records show Olivia Perrelli reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hagerstown, MD 21742
- Reassigned Medicare billing, Maryland enrollment
- 13 clinicians in this Medicare group
Charlotte Hall, MD 20622
- Reassigned Medicare billing, Maryland enrollment
- 3 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21742 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HAGERSTOWN, MD 21742
HAGERSTOWN, MD 21742
HAGERSTOWN, MD 21742
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 Olivia Perrelli's NPI number?
The NPI number for Olivia Perrelli is 1285111880. It was assigned to this individual provider in the NPPES registry on July 26, 2018.
Where is Olivia Perrelli located?
Olivia Perrelli practices at 11110 Medical Campus Rd Ste 151, Hagerstown, MD 21742. The listed phone number is (301) 797-7600.
What is Olivia Perrelli's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Olivia Perrelli enrolled in Medicare?
Yes. Olivia Perrelli 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 Olivia Perrelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Perrelli reassigns Medicare benefits to 2 organizations: Mir Neurology Center PA (Hagerstown, MD) and Charles C Reel, M.D. (Charlotte Hall, 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 Olivia Perrelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Olivia Perrelli was last updated on November 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.
# Olivia Perrelli · NPI 1285111880
Gerontology physician in Hagerstown, Maryland. Individual provider, active in the CMS NPPES registry since July 26, 2018.
## Identity
- **NPI:** 1285111880 (Entity type: Individual)
- **Enumerated:** July 26, 2018
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** MP4990950 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 11110 MEDICAL CAMPUS RD STE 151, Hagerstown, MD 21742-6755
- **Phone:** (301) 797-7600 · **Fax:** (301) 517-7636
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mir Neurology Center PA (NPI 1518905439, Hagerstown, MD); Charles C Reel, M.D. (NPI 1902094188, Charlotte Hall, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** November 20, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1285111880) · Data from the CMS NPPES public registry.