CHARLES W SWEENEY M.D.
NPI 1306819206
Emergency Medicine in Marathon, FL
About Charles W Sweeney M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES W SWEENEY M.D. (NPI 1306819206) is an individual emergency medicine provider in Marathon, Florida, licensed in Florida (ME59785) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Lower Keys Medical Center, and is a graduate of University Of South Florida College Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Charles W Sweeney M.d. 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
7Medicare enrollment records show Charles Sweeney reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Key West, FL 33040
- Reassigned Medicare billing, Florida enrollment
- 36 clinicians in this Medicare group
Naples, FL 34114
- Reassigned Medicare billing, Florida enrollment
- 59 clinicians in this Medicare group
Venice, FL 34285
- Reassigned Medicare billing, Florida enrollment
- 98 clinicians in this Medicare group
Winter Haven, FL 33884
- Reassigned Medicare billing, Florida enrollment
- 98 clinicians in this Medicare group
Melbourne, FL 32935
- Reassigned Medicare billing, Florida enrollment
- 54 clinicians in this Medicare group
Birmingham, AL 35205
- Reassigned Medicare billing, Florida enrollment
- 802 clinicians in this Medicare group
Kinston, NC 28501
- Reassigned Medicare billing, North Carolina enrollment
- 1,653 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 4
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.
Lower Keys Medical Center
Acute Care Hospitals · Key West, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33050 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.
MARATHON, FL 33050
MARATHON, FL 33050
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 Charles Sweeney's NPI number?
The NPI number for Charles Sweeney is 1306819206. It was assigned to this individual provider in the NPPES registry on February 10, 2006.
Where is Charles Sweeney located?
Charles Sweeney practices at 3301 Overseas Hwy, Marathon, FL 33050. The listed phone number is (305) 743-5533.
What is Charles Sweeney's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Charles Sweeney enrolled in Medicare?
Yes. Charles Sweeney 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 Charles Sweeney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Sweeney reassigns Medicare benefits to 7 organizations: Md4er LLC (Key West, FL), Integrated Emergency Medicine Specialists LLC (Naples, FL), Ies Florida PLLC (Venice, FL), Ridgewood Emergency Group, LLC (Winter Haven, FL), Melbourne Emergency Group, LLC (Melbourne, FL) and 2 more organizations, listed in the Medicare section above. 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 Charles Sweeney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Sweeney accept?
Health plans from Cigna Healthcare, Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Charles Sweeney 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 Charles Sweeney affiliated with any hospitals?
According to CMS data, Charles Sweeney is affiliated with Lower Keys Medical Center.
When was this NPI record last updated?
The NPPES record for Charles Sweeney was last updated on September 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Charles W Sweeney, M.D. · NPI 1306819206
Emergency Medicine physician in Marathon, Florida. Individual provider, active in the CMS NPPES registry since February 10, 2006.
## Identity
- **NPI:** 1306819206 (Entity type: Individual)
- **Enumerated:** February 10, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** ME59785 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3301 OVERSEAS HWY, Marathon, FL 33050-2329
- **Phone:** (305) 743-5533 · **Fax:** (305) 289-0630
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Md4er LLC (NPI 1568851707, Key West, FL); Integrated Emergency Medicine Specialists LLC (NPI 1174991632, Naples, FL); Ies Florida PLLC (NPI 1124788716, Venice, FL); Ridgewood Emergency Group, LLC (NPI 1679324842, Winter Haven, FL); Melbourne Emergency Group, LLC (NPI 1932562915, Melbourne, FL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Florida College Of Medicine, class of 1988
## Record status
- **NPPES last updated:** September 28, 2016
- **Other identifiers:** Medicare ID-Type Unspecified 14341A (FL); Other 14341 (FL); Medicare UPIN E57094
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Source: [NPI Profile](https://npiprofile.com/npi/1306819206) · Data from the CMS NPPES public registry.