MS. GRACE AMY MAZZARELLA APRN
NPI 1861865677
Nurse Practitioner - Family in Windermere, FL
About Ms. Grace Amy Mazzarella Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. GRACE AMY MAZZARELLA APRN (NPI 1861865677) is an individual family provider in Windermere, Florida, licensed in Florida (ARNP9353896) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Grace Amy Mazzarella Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Grace Mazzarella reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kissimmee, FL 34744
- Reassigned Medicare billing, Florida enrollment
- 17 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34786 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 2
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 Grace Mazzarella's NPI number?
The NPI number for Grace Mazzarella is 1861865677. It was assigned to this individual provider in the NPPES registry on November 3, 2015.
Where is Grace Mazzarella located?
Grace Mazzarella practices at 4750 The Grove Dr Ste 280, Windermere, FL 34786. The listed phone number is (407) 456-7179.
What is Grace Mazzarella's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Grace Mazzarella enrolled in Medicare?
Yes. Grace Mazzarella is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Grace Mazzarella's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Mazzarella reassigns Medicare benefits to Associates In Dermatology Inc (Kissimmee, FL). 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 Grace Mazzarella'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 Grace Mazzarella was last updated on January 22, 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.
# Ms. Grace Amy Mazzarella, APRN · NPI 1861865677
Family physician in Windermere, Florida. Individual provider, active in the CMS NPPES registry since November 3, 2015.
## Identity
- **NPI:** 1861865677 (Entity type: Individual)
- **Enumerated:** November 3, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** ARNP9353896 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4750 THE GROVE DR STE 280, Windermere, FL 34786-8427
- **Phone:** (407) 456-7179
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Associates In Dermatology Inc (NPI 1316960297, Kissimmee, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1861865677) · Data from the CMS NPPES public registry.