TIMOTHY LASSETER DO
NPI 1255081147
Internal Medicine in Green Cove Springs, FL
About Timothy Lasseter Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY LASSETER DO (NPI 1255081147) is an individual internal medicine provider in Green Cove Springs, Florida, licensed in Florida (OS21902) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Shands Jacksonville, and is a graduate of Lake Erie Col Of Osteopathic Medicine, Bradenton (2022).
NPPES Registry Identity
Specialties & Licenses 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 and accepts Medicare assignment
Timothy Lasseter Do 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 Timothy Lasseter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jacksonville, FL 32209
- Reassigned Medicare billing, Florida enrollment
- 1,456 clinicians in this Medicare group
Fort Myers, FL 33912
- Reassigned Medicare billing, Florida enrollment
- 1,278 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.
Shands Jacksonville
Acute Care Hospitals · Jacksonville, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32043 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREEN COVE SPRINGS, FL 32043
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 Timothy Lasseter's NPI number?
The NPI number for Timothy Lasseter is 1255081147. It was assigned to this individual provider in the NPPES registry on March 24, 2022.
Where is Timothy Lasseter located?
Timothy Lasseter practices at 705 Ferris St, Green Cove Springs, FL 32043. The listed phone number is (904) 284-4510.
What is Timothy Lasseter's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Timothy Lasseter enrolled in Medicare?
Yes. Timothy Lasseter 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 Timothy Lasseter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Lasseter reassigns Medicare benefits to 2 organizations: University Of Florida Jacksonville Physicians Inc (Jacksonville, FL) and Millennium Physician Group LLC (Fort Myers, FL). 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 Timothy Lasseter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Lasseter accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, AvMed and Florida Blue (BlueCross BlueShield FL) and 3 other insurers list Timothy Lasseter 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 Timothy Lasseter affiliated with any hospitals?
According to CMS data, Timothy Lasseter is affiliated with Shands Jacksonville.
When was this NPI record last updated?
The NPPES record for Timothy Lasseter was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Timothy Lasseter, DO · NPI 1255081147
Internal Medicine physician in Green Cove Springs, Florida. Individual provider, active in the CMS NPPES registry since March 24, 2022.
## Identity
- **NPI:** 1255081147 (Entity type: Individual)
- **Enumerated:** March 24, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OS21902 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 705 FERRIS ST, Green Cove Springs, FL 32043-4025
- **Phone:** (904) 284-4510 · **Fax:** (904) 284-3293
## 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): University Of Florida Jacksonville Physicians Inc (NPI 1225298599, Jacksonville, FL); Millennium Physician Group LLC (NPI 1811122880, Fort Myers, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie Col Of Osteopathic Medicine, Bradenton, class of 2022
## Record status
- **NPPES last updated:** July 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255081147) · Data from the CMS NPPES public registry.