ADVENTHEALTH MEDICAL GROUP OB GYN AT SEBRING
NPI 1164698809
Internal Medicine in Sebring, FL

Active since May 02, 2008
4200 SUN N LAKE BLVD, SEBRING, FL 33872(863) 402-3366(863) 402-3110 Get Directions Write a Review

NPPES record last updated: January 31, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 31, 2023, Dec 18, 2018, Sep 30, 2015 (3 updates tracked since 2015).

About Adventhealth Medical Group Ob Gyn At Sebring NPPES

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

ADVENTHEALTH MEDICAL GROUP OB GYN AT SEBRING (NPI 1164698809) is a healthcare organization registered as an internal medicine in Sebring, Florida and active in the NPI registry since May 2008. The organization lists Nathan Thomason, Cfo, as its authorized official.

NPPES Registry Identity

NPI1164698809
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameADVENTIST HEALTH SYSTEM-SUNBELT INC
Location Address4200 SUN N LAKE BLVDSebring, FL 33872-1986
Mailing Address4200 Sun N Lake BlvdSebring, FL 33872-1986 · (863) 402-3366 · Fax (863) 402-3110
Fax(863) 402-3110
Organization SubpartYes
Authorized OfficialNathan ThomasonCfo · (863) 402-3366
Enumeration DateMay 2, 2008
Last NPPES UpdateJanuary 31, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2023
✔ NPI 1164698809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedPediatricsTaxonomy 208000000X
Also ListedSurgeryTaxonomy 208600000X
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X
Also ListedHospitalistTaxonomy 208M00000X
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
Also ListedNurse Practitioner · Obstetrics & GynecologyTaxonomy 363LX0001X
4200 SUN N LAKE BLVD, Sebring, FL 33872

Other Names 12

Doing Business AsAdventhealth Medical Group Ob Gyn At Sebring
Doing Business AsAdventhealth Medical Group Breast Surgery, Ear Nose & Throat, General Surgery At Sun N Lake
Doing Business AsAdventhealth Medical Group Cardiology At Lake Placid
Doing Business AsAdventhealth Medical Group Family Medicine At Lake Placid
Doing Business AsAdventhealth Medical Group General & Vascular Surgery At Lake Placid
Doing Business AsAdventhealth Medical Group General Surgery & Vascular Surgery At Sun N Lake
Doing Business AsAdventhealth Medical Group Interventional Cardiology At Sun N Lake
Doing Business AsAdventhealth Medical Group Ob Gyn At Sun N Lake
Doing Business AsAdventhealth Medical Group Pulmonology & Critical Care At Sun N Lake
Doing Business AsAdventhealth Medical Group Urology At Lake Placid
Doing Business AsAdventhealth Medical Group Urology At Sun N Lake
Doing Business AsFlorida Hospital Heartland Medical Center

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Adventhealth Medical Group Ob Gyn At Sebring is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

104

Medicare enrollment records show 104 clinicians reassign Medicare billing to Adventhealth Medical Group Ob Gyn At Sebring, which bills Medicare for the services they deliver. Of these, 26 practice at this address and 32 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 18

Nurse Practitioner25
Family Practice16
Cardiovascular Disease (Cardiology)13
Gastroenterology8
Internal Medicine8
General Surgery7
Interventional Cardiology7
Orthopedic Surgery4
10 other specialties16

Nearest to this location (20)

See all 104
Interventional Cardiology
NPI 1083682538
4638 SUN N LAKE BLVD
Sebring, FL 33872
(863) 386-0055
✔ PECOSSame address
Cardiovascular Disease (Cardiology)
NPI 1730407511
4638 SUN N LAKE BLVD
Sebring, FL 33872
(863) 386-0055
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1104853951
4143 SUN N LAKE BLVD
Sebring, FL 33872
(863) 386-6480
✔ PECOS✔ Accepts MedicareSame address
Urology
NPI 1467450171
4325 SUN 'N LAKE BLVD, SUITE 105 FHHMC UROLOGY SPECIALISTS
Sebring, FL 33872
(863) 382-2248
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1801286166
4240 SUN N LAKE BLVD STE 200
Sebring, FL 33872
(863) 402-2229
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1710478201
4638 SUN N LAKE BLVD
Sebring, FL 33872
(863) 386-0055
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1972866291
4145 SUN N LAKE BLVD STE A
Sebring, FL 33872
(863) 546-0030
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1760999452
4409 SUN N LAKE BLVD
Sebring, FL 33872
(863) 402-3480
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1497013908
4409 SUN N LAKE BLVD
Sebring, FL 33872
(863) 402-3480
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1871210989
4325 SUN N LAKE BLVD STE 102
Sebring, FL 33872
(863) 382-1663
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1043469455
4301 SUN N LAKE BLVD STE 102
Sebring, FL 33872
(863) 402-3161
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1699839514
4200 SUN N LAKE BLVD
Sebring, FL 33872
(863) 402-3103
✔ PECOS✔ Accepts MedicareSame address
Interventional Cardiology
NPI 1477879229
4240 SUN N LAKE BLVD STE 202
Sebring, FL 33872
(863) 471-3926
✔ PECOS✔ Accepts MedicareSame address
Interventional Cardiology
NPI 1245212224
4240 SUN N LAKE BLVD STE 202
Sebring, FL 33872
(863) 471-3926
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1225190002
4200 SUN N LAKE BLVD
Sebring, FL 33872
(863) 402-3103
✔ PECOS✔ Accepts MedicareSame address
Urology
NPI 1952697559
4325 SUN N LAKE BLVD STE 105
Sebring, FL 33872
(863) 382-2248
✔ PECOS✔ Accepts MedicareSame address
Otolaryngology
NPI 1134319783
4301 SUN N LAKE BLVD STE 102
Sebring, FL 33872
(863) 402-3161
✔ PECOS✔ Accepts MedicareSame address
General Surgery
NPI 1427091073
4301 SUN N LAKE BLVD SUITE 103
Sebring, FL 33872
(863) 385-1900
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1376653881
4638 SUN N LAKE BLVD
Sebring, FL 33872
(863) 386-0055
✔ PECOS✔ Accepts MedicareSame address
Pulmonary Disease
NPI 1306800727
4325 SUN N LAKE BLVD STE 102
Sebring, FL 33872
(863) 382-1663
✔ PECOS✔ Accepts MedicareSame address
See all 104 clinicians

Source: 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 Adventist Health System-Sunbelt Inc's NPI number?

The NPI number for Adventist Health System-Sunbelt Inc is 1164698809. It was assigned to this organization in the NPPES registry on May 2, 2008. The provider is doing business as Adventhealth Medical Group Ob Gyn At Sebring, AdventHealth Medical Group Breast Surgery, Ear Nose & Throat, General Surgery at Sun N Lake, AdventHealth Medical Group Cardiology at Lake Placid and AdventHealth Medical Group Family Medicine at Lake Placid. Additional names are listed in the Other Names section above.

Where is Adventist Health System-Sunbelt Inc located?

Adventist Health System-Sunbelt Inc is located at 4200 Sun N Lake Blvd, Sebring, FL 33872. The listed phone number is (863) 402-3366.

What is Adventist Health System-Sunbelt Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Adventist Health System-Sunbelt Inc enrolled in Medicare?

Yes. Adventist Health System-Sunbelt Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adventist Health System-Sunbelt Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 104 clinicians in 18 Medicare specialties reassign their Medicare billing to Adventist Health System-Sunbelt Inc. 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 (25), Family Practice (16) and Cardiovascular Disease (Cardiology) (13). Of these, 26 practice at this address and 32 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Adventist Health System-Sunbelt Inc accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Wellpoint list Adventist Health System-Sunbelt Inc 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.

When was this NPI record last updated?

The NPPES record for Adventist Health System-Sunbelt Inc was last updated on January 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.