DEBORAH GRINKER
NPI 1780348961
Nurse Practitioner - Gerontology in Winter Haven, FL
About Deborah Grinker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEBORAH GRINKER (NPI 1780348961) is an individual gerontology provider in Winter Haven, Florida, licensed in Florida (11016064) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS, is affiliated with Winter Haven Hospital, and is a graduate of Other (2021).
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
Deborah Grinker 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 Deborah Grinker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Winter Haven, FL 33880
- Reassigned Medicare billing, Florida enrollment
- 93 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.
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 33881 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.
WINTER HAVEN, FL 33881
WINTER HAVEN, FL 33881
WINTER HAVEN, FL 33881
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 Deborah Grinker's NPI number?
The NPI number for Deborah Grinker is 1780348961. It was assigned to this individual provider in the NPPES registry on October 25, 2021.
Where is Deborah Grinker located?
Deborah Grinker practices at 200 Avenue F NE, Winter Haven, FL 33881. The listed phone number is (863) 297-1839.
What is Deborah Grinker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Deborah Grinker enrolled in Medicare?
Yes. Deborah Grinker 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 Deborah Grinker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Grinker reassigns Medicare benefits to Adventhealth Bond Clinic, Inc. (Winter Haven, 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 Deborah Grinker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Deborah Grinker affiliated with any hospitals?
According to CMS data, Deborah Grinker is affiliated with Winter Haven Hospital.
When was this NPI record last updated?
The NPPES record for Deborah Grinker was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Deborah Grinker · NPI 1780348961
Gerontology physician in Winter Haven, Florida. Individual provider, active in the CMS NPPES registry since October 25, 2021.
## Identity
- **NPI:** 1780348961 (Entity type: Individual)
- **Enumerated:** October 25, 2021
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 11016064 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 200 AVENUE F NE, Winter Haven, FL 33881-4131
- **Phone:** (863) 297-1839
## 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:** Adventhealth Bond Clinic, Inc. (NPI 1558150755, Winter Haven, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1780348961) · Data from the CMS NPPES public registry.