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DR. GIBSON MARSENAT MD
NPI 1659909299
Internal Medicine - Critical Care Medicine in Fort Pierce, FL

Active since March 30, 2020PECOS EnrolledAccepts Medicare Assignment
1700 S 23RD ST, FORT PIERCE, FL 34950(772) 461-4000 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 27, 2025, Mar 30, 2020 (2 updates tracked since 2020).

About Dr. Gibson Marsenat Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GIBSON MARSENAT MD (NPI 1659909299) is an individual critical care medicine provider in Fort Pierce, Florida, licensed in Florida (ME175601) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Highlands Hospital, and maintains a secondary practice location in Inverness.

NPPES Registry Identity

NPI1659909299
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. GIBSON MARSENATCredential: MD
Location Address1700 S 23RD STFort Pierce, FL 34950-4803
Mailing Address175 Hospital DrWinchester, KY 40391-9591 · (859) 745-3500
Phone(772) 461-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 30, 2020
Last NPPES UpdateJuly 23, 20252 updates tracked since enumeration
NPPES CertifiedJuly 23, 2025
✔ NPI 1659909299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in FL · ME175601
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
1700 S 23RD ST, Fort Pierce, FL 34950
Open in Google Maps ↗

Secondary Practice Location 1

Location 1502 W Highland BlvdInverness, FL 34452-4720 · Phone (352) 344-6999 · Fax (352) 344-6499

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Oscar Health Maintenance Organization of Florida.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

Dr. Gibson Marsenat Md 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.

PECOS PAC ID3476089046
PECOS Enrollment IDI20241205002452, I20250807001609
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Gibson Marsenat reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Intensive Care Consortium Inc
101 mi
Specialist
20900 BISCAYNE BLVD
Aventura, FL 33180
  • Reassigned Medicare billing, Florida enrollment
  • 287 clinicians in this Medicare group
NPI 1629019062 (561) 997-0821
Clark Emergency Physicians
763 mi
Emergency Medicine
175 HOSPITAL DR
Winchester, KY 40391
  • Reassigned Medicare billing, Kentucky enrollment
  • 36 clinicians in this Medicare group
NPI 1346781499 (859) 737-6500
Southeastern Emergency Physicians LLC
798 mi
Emergency Medicine
989 MEDICAL PARK DR
Maysville, KY 41056
  • Reassigned Medicare billing, Kentucky enrollment
  • 828 clinicians in this Medicare group
NPI 1356379382 (606) 759-5311

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 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hca Florida Highlands Hospital

Acute Care Hospitals · Sebring, FL
1/5 CMS rating
OwnershipProprietary
CMS Certification Number100049
Location3600 S Highlands AveSebring, FL 33870 · Highlands County
Emergency services

Hca Florida Lawnwood Hospital

Acute Care Hospitals · Fort Pierce, FL
1/5 CMS rating
OwnershipProprietary
CMS Certification Number100246
Location1700 S 23rd StFort Pierce, FL 34950 · St. Lucie County
Emergency services Birthing friendly

Hca Florida Raulerson Hospital

Acute Care Hospitals · Okeechobee, FL
3/5 CMS rating
OwnershipProprietary
CMS Certification Number100252
Location1796 Hwy 441 NorthOkeechobee, FL 34972 · Okeechobee County

St Lucie Medical Center

Acute Care Hospitals · Port Saint Lucie, FL
1/5 CMS rating
OwnershipProprietary
CMS Certification Number100260
Location1800 SE Tiffany AvePort Saint Lucie, FL 34952 · St. Lucie County
Emergency services Birthing friendly

Clark Regional Medical Center

Acute Care Hospitals · Winchester, KY
3/5 CMS rating
OwnershipProprietary
CMS Certification Number180092
Location175 Hospital DriveWinchester, KY 40391 · Clark County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34950 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

SHERIDAN ROP SERVICES OF FLORIDA, INC.
Ophthalmology
1700 S 23RD ST
FORT PIERCE, FL 34950
St. Lucie County (772) 461-4000
MICHAEL ALVAREZ
Physician Assistant
1700 S 23RD ST
FORT PIERCE, FL 34950
St. Lucie County (772) 461-4000
MS. MISELINE LAGESSE FNP
Nurse Practitioner (Family)
1700 S 23RD ST
FORT PIERCE, FL 34950
St. Lucie County (305) 318-1388
SPENCER SMODISH DO
Emergency Medicine
1700 S 23RD ST
FORT PIERCE, FL 34950
St. Lucie County (772) 461-4000
JOSHUA T RHEAD
Student in an Organized Health Care Education/Training Program
1700 S 23RD ST
FORT PIERCE, FL 34950
St. Lucie County (777) 468-4554
JENNIFER RENEE RAINEY CRNA
Nurse Anesthetist, Certified Registered
1700 S 23RD ST
FORT PIERCE, FL 34950
St. Lucie County (772) 461-4000
MS. KIRSTEN ALEXANDRA NATHAN
Internal Medicine
1700 S 23RD ST
FORT PIERCE, FL 34950
St. Lucie County (772) 461-4000
LAWNWOOD ANESTHESIA PROVIDERS LLC
Anesthesiology
1700 S 23RD ST
FORT PIERCE, FL 34950
St. Lucie County (772) 461-4000

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 Gibson Marsenat's NPI number?

The NPI number for Gibson Marsenat is 1659909299. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is Gibson Marsenat located?

Gibson Marsenat practices at 1700 S 23rd St, Fort Pierce, FL 34950. The listed phone number is (772) 461-4000.

What is Gibson Marsenat's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Gibson Marsenat enrolled in Medicare?

Yes. Gibson Marsenat 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 Gibson Marsenat's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gibson Marsenat reassigns Medicare benefits to 3 organizations: Intensive Care Consortium Inc (Aventura, FL), Clark Emergency Physicians (Winchester, KY) and Southeastern Emergency Physicians LLC (Maysville, KY). 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 Gibson Marsenat's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gibson Marsenat accept?

Health plans from AmeriHealth Caritas Next and Oscar Health Maintenance Organization of Florida list Gibson Marsenat 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 Gibson Marsenat affiliated with any hospitals?

According to CMS data, Gibson Marsenat is affiliated with Hca Florida Highlands Hospital, Hca Florida Lawnwood Hospital, Hca Florida Raulerson Hospital, St Lucie Medical Center and Clark Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Gibson Marsenat was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.