DR. THOMAS J ULLO MD
NPI 1265502355
Family Medicine in Clearwater, FL
About Dr. Thomas J Ullo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS J ULLO MD (NPI 1265502355) is an individual family medicine provider in Clearwater, Florida, licensed in Florida (ME97275) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Mease Dunedin Hospital, and is a graduate of Louisiana State University School Of Medicine In Shreveport (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Thomas J Ullo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Thomas Ullo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clearwater, FL 33759
- Reassigned Medicare billing, Florida enrollment
- 2,009 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 15
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mease Dunedin Hospital
Acute Care Hospitals · Dunedin, FLAdventhealth North Pinellas
Acute Care Hospitals · Tarpon Springs, FLSt Josephs Hospital
Acute Care Hospitals · Tampa, FLMorton Plant Hospital
Acute Care Hospitals · Clearwater, FLMease Countryside Hospital
Acute Care Hospitals · Safety Harbor, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33761 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 5
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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLEARWATER, FL 33761
CLEARWATER, FL 33761
CLEARWATER, FL 33761
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 Thomas Ullo's NPI number?
The NPI number for Thomas Ullo is 1265502355. It was assigned to this individual provider in the NPPES registry on November 8, 2006.
Where is Thomas Ullo located?
Thomas Ullo practices at 29750 Us Highway 19 N Ste 101, Clearwater, FL 33761. The listed phone number is (727) 786-5058.
What is Thomas Ullo's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Thomas Ullo enrolled in Medicare?
Yes. Thomas Ullo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Thomas Ullo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Ullo reassigns Medicare benefits to Baycare Medical Group, Inc. (Clearwater, 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 Thomas Ullo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Ullo accept?
Health plans from Ambetter Health, Ambetter of Alabama, AvMed, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Thomas Ullo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Thomas Ullo affiliated with any hospitals?
According to CMS data, Thomas Ullo is affiliated with Mease Dunedin Hospital, Adventhealth North Pinellas, St Josephs Hospital, Morton Plant Hospital and Mease Countryside Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Ullo was last updated on November 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.