GESSLER CLINIC PROFESSIONAL ASSOCIATION
NPI 1154399533
Internal Medicine in Winter Haven, FL
About Gessler Clinic Professional Association NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GESSLER CLINIC PROFESSIONAL ASSOCIATION (NPI 1154399533) is a healthcare organization registered as an internal medicine in Winter Haven, Florida and active in the NPI registry since March 2006. The organization lists Sharon H Hart, Administrator/authorized Official, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 15
Other Identifiers 5
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gessler Clinic Professional Association is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
33Medicare enrollment records show 33 clinicians reassign Medicare billing to Gessler Clinic Professional Association, which bills Medicare for the services they deliver. Of these, 26 practice at this address and 28 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 18
Nearest to this location (20)
See all 33Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Gessler Clinic Professional Association's NPI number?
The NPI number for Gessler Clinic Professional Association is 1154399533. It was assigned to this organization in the NPPES registry on March 10, 2006.
Where is Gessler Clinic Professional Association located?
Gessler Clinic Professional Association is located at 635 1st St N, Winter Haven, FL 33881. The listed phone number is (863) 294-0670.
What is Gessler Clinic Professional Association's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gessler Clinic Professional Association enrolled in Medicare?
Yes. Gessler Clinic Professional Association is registered in the Medicare PECOS enrollment system.
When is Gessler Clinic Professional Association's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Florida, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Gessler Clinic Professional Association?
According to the CMS Revalidation Reassignment List (October 2026 release), 33 clinicians in 18 Medicare specialties reassign their Medicare billing to Gessler Clinic Professional Association. A 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 the clinician's services. The largest specialties are Nurse Practitioner (6), Family Practice (5) and Internal Medicine (3). Of these, 26 practice at this address and 28 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Gessler Clinic Professional Association was last updated on October 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Gessler Clinic Professional Association · NPI 1154399533
Internal Medicine organization in Winter Haven, Florida. Organization record, active in the CMS NPPES registry since March 10, 2006.
## Identity
- **NPI:** 1154399533 (Entity type: Organization)
- **Enumerated:** March 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Sharon Hart, ADMINISTRATOR/AUTHORIZED OFFICIAL
## Practice location
- **Address:** 635 1ST ST N, Winter Haven, FL 33881-4129
- **Phone:** (863) 294-0670 · **Fax:** (863) 298-3200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, Florida, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 33 clinicians in 18 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (6), Family Practice (5), Internal Medicine (3); 26 practice at this address and 28 within 10 miles; [full list](https://npiprofile.com/npi/1154399533/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 16, 2013
- **Other identifiers:** Medicare PIN 00056 (FL); Medicare NSC 0702260001 (FL); Medicare OSCAR/certification 10D0293333 (FL); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1154399533) · Data from the CMS NPPES public registry.