CARDIOVASCULAR SERVICES RIVER OAKS
NPI 1134465172
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Flowood, MS

Active since December 19, 2012
1020 RIVER OAKS DR, SUITE 400, FLOWOOD, MS 39232(601) 376-1394(601) 376-1390 Get Directions Write a Review

NPPES record last updated: December 19, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Cardiovascular Services River Oaks NPPES

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

CARDIOVASCULAR SERVICES RIVER OAKS (NPI 1134465172) is a healthcare organization registered as a thoracic surgery (cardiothoracic vascular surgery) in Flowood, Mississippi and active in the NPI registry since December 2012. The organization lists Michael L Gingras, Vice President, as its authorized official.

NPPES Registry Identity

NPI1134465172
Entity TypeOrganization
Primary Taxonomy208G00000X
Legal Business NameRIVER OAKS MANAGEMENT COMPANY LLC
Location Address1020 RIVER OAKS DR, SUITE 400Flowood, MS 39232-9500
Mailing Address5811 Pelican Bay Blvd, Suite 500Naples, FL 34108-2733 · (239) 598-3131 · Fax (239) 592-0438
Fax(601) 376-1390
Organization SubpartYesParent: Health Management Associates
Authorized OfficialMichael L GingrasVice President · (239) 598-3131
Enumeration DateDecember 19, 2012
✔ NPI 1134465172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
1020 RIVER OAKS DR, Flowood, MS 39232

Other Names 1

Doing Business AsCardiovascular Services River Oaks

Other Identifiers 1

Medicare PINC02454MS

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cardiovascular Services River Oaks is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMississippiEnrollment IDO20040407000093Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

69

Medicare enrollment records show 69 clinicians reassign Medicare billing to Cardiovascular Services River Oaks, which bills Medicare for the services they deliver. Of these, 46 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 13

Nurse Practitioner30
Family Practice9
Internal Medicine9
Cardiovascular Disease (Cardiology)6
Psychiatry3
General Surgery2
Orthopedic Surgery2
Otolaryngology2
5 other specialties6

Nearest to this location (20)

See all 69
Otolaryngology
NPI 1437269479
1038 RIVER OAKS DR
Flowood, MS 39232
(601) 932-5244
✔ PECOS0.1 mi
Otolaryngology
NPI 1134239171
1038 RIVER OAKS DR
Flowood, MS 39232
(601) 932-5244
✔ PECOS✔ Accepts Medicare0.1 mi
Infectious Disease
NPI 1023045572
1040 RIVER OAKS DR STE 303
Flowood, MS 39232
(601) 936-0706
✔ PECOS0.2 mi
Nurse Practitioner
NPI 1790487718
4436 MANGUM DR
Flowood, MS 39232
(601) 586-7070
✔ PECOS✔ Accepts Medicare0.2 mi
Cardiovascular Disease (Cardiology)
NPI 1760496467
1040 RIVER OAKS DR STE 100
Flowood, MS 39232
(601) 933-5417
✔ PECOS✔ Accepts Medicare0.2 mi
Cardiovascular Disease (Cardiology)
NPI 1720092414
1040 RIVER OAKS DR STE 100
Flowood, MS 39232
(601) 933-5417
✔ PECOS0.2 mi
Internal Medicine
NPI 1417397837
1040 RIVER OAKS DR STE 100
Flowood, MS 39232
(601) 933-5417
✔ PECOS✔ Accepts Medicare0.2 mi
Nurse Practitioner
NPI 1356489272
1020 RIVER OAKS DR STE 100
Flowood, MS 39232
(601) 326-8700
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1952742736
1080 RIVER OAKS DR STE B103
Flowood, MS 39232
(601) 366-1011
✔ PECOS✔ Accepts Medicare0.4 mi
Family Practice
NPI 1790795276
4290 LAKELAND DR STE A
Flowood, MS 39232
(601) 932-0083
✔ PECOS✔ Accepts Medicare1.5 mi
Family Practice
NPI 1649470097
4290 LAKELAND DR STE A
Flowood, MS 39232
(601) 932-0083
✔ PECOS✔ Accepts Medicare1.5 mi
Nurse Practitioner
NPI 1578218616
4290 LAKELAND DR STE A
Flowood, MS 39232
(601) 932-0083
✔ PECOS✔ Accepts Medicare1.5 mi
Nurse Practitioner
NPI 1417133083
778 LIBERTY RD
Flowood, MS 39232
(769) 243-6141
✔ PECOS1.6 mi
Nurse Practitioner
NPI 1639634751
1031 N FLOWOOD DR
Flowood, MS 39232
(601) 487-7445
✔ PECOS✔ Accepts Medicare2.4 mi
General Surgery
NPI 1790890499
1020 N FLOWOOD DR STE A
Flowood, MS 39232
(601) 933-6132
✔ PECOS✔ Accepts Medicare2.4 mi
Cardiovascular Disease (Cardiology)
NPI 1447286612
1031 N FLOWOOD DR
Flowood, MS 39232
(601) 487-7445
✔ PECOS✔ Accepts Medicare2.5 mi
Internal Medicine
NPI 1760451991
969 LAKELAND DR
Jackson, MS 39216
(601) 200-4644
✔ PECOS✔ Accepts Medicare3.5 mi
Neurology
NPI 1235391046
1225 N STATE ST
Jackson, MS 39202
(601) 988-5281
✔ PECOS✔ Accepts Medicare4.3 mi
Cardiovascular Disease (Cardiology)
NPI 1134236128
501 MARSHALL ST STE 104
Jackson, MS 39202
(601) 969-6404
✔ PECOS✔ Accepts Medicare4.4 mi
General Surgery
NPI 1679583157
346 CROSSGATES BLVD SUITE 101
Brandon, MS 39042
(601) 825-6505
✔ PECOS4.9 mi
See all 69 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 River Oaks Management Company LLC's NPI number?

The NPI number for River Oaks Management Company LLC is 1134465172. It was assigned to this organization in the NPPES registry on December 19, 2012. The provider is doing business as Cardiovascular Services River Oaks.

Where is River Oaks Management Company LLC located?

River Oaks Management Company LLC is located at 1020 River Oaks Dr Suite 400, Flowood, MS 39232. The listed phone number is (601) 376-1394.

What is River Oaks Management Company LLC's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is River Oaks Management Company LLC enrolled in Medicare?

Yes. River Oaks Management Company LLC is registered in the Medicare PECOS enrollment system.

When is River Oaks Management Company LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Mississippi, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through River Oaks Management Company LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 69 clinicians in 13 Medicare specialties reassign their Medicare billing to River Oaks Management Company LLC. 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 (30), Family Practice (9) and Internal Medicine (9). Of these, 46 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for River Oaks Management Company LLC was last updated on December 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.