GREISY ASH ARNP
NPI 1861992273
Nurse Practitioner - Family in Lakeland, FL
About Greisy Ash Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREISY ASH ARNP (NPI 1861992273) is an individual family provider in Lakeland, Florida, licensed in Florida (ARNP9333073) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, is affiliated with Winter Haven Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Greisy Ash Arnp 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 Greisy Ash reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Winter Haven, FL 33881
- Reassigned Medicare billing, Florida enrollment
- 1,065 clinicians in this Medicare group
Birmingham, AL 35205
- Reassigned Medicare billing, Florida enrollment
- 802 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 3
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.
Winter Haven Hospital
Acute Care Hospitals · Winter Haven, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33813 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 5
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 Greisy Ash's NPI number?
The NPI number for Greisy Ash is 1861992273. It was assigned to this individual provider in the NPPES registry on February 13, 2018.
Where is Greisy Ash located?
Greisy Ash practices at 5615 S Florida Ave Ste 111, Lakeland, FL 33813. The listed phone number is (863) 327-0132.
What is Greisy Ash's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Greisy Ash enrolled in Medicare?
Yes. Greisy Ash 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 Greisy Ash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Greisy Ash reassigns Medicare benefits to 2 organizations: Paragon Emergency Services LLC (Winter Haven, FL) and Paragon Contracting Services LLC (Birmingham, AL). 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 Greisy Ash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Greisy Ash affiliated with any hospitals?
According to CMS data, Greisy Ash is affiliated with Winter Haven Hospital.
When was this NPI record last updated?
The NPPES record for Greisy Ash was last updated on January 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Greisy Ash, ARNP · NPI 1861992273
Family physician in Lakeland, Florida. Individual provider, active in the CMS NPPES registry since February 13, 2018.
## Identity
- **NPI:** 1861992273 (Entity type: Individual)
- **Enumerated:** February 13, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** ARNP9333073 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 5615 S FLORIDA AVE STE 111, Lakeland, FL 33813-2714
- **Phone:** (863) 327-0132 · **Fax:** (863) 777-2320
## 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): Paragon Emergency Services LLC (NPI 1912101650, Winter Haven, FL); Paragon Contracting Services LLC (NPI 1225071459, Birmingham, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** January 21, 2021
- **Other identifiers:** Other APRN9333073 (FL); Medicaid 023985800 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1861992273) · Data from the CMS NPPES public registry.