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JOHN R RENTZ MD
NPI 1588817696
Anesthesiology in Brunswick, GA

Active since November 03, 2008PECOS EnrolledAccepts Medicare Assignment
3100 KEMBLE AVE., BRUNSWICK, GA 31520(880) 233-2570 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About John R Rentz Md NPPES

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

JOHN R RENTZ MD (NPI 1588817696) is an individual anesthesiology provider in Brunswick, Georgia, licensed in Georgia (69943) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Medical Center - Jacksonville, and is a graduate of Emory University School Of Medicine (2007).

NPPES Registry Identity

NPI1588817696
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJOHN R RENTZCredential: MD
Location Address3100 KEMBLE AVE.Brunswick, GA 31520-4211
Mailing AddressP.o. Box 235019Montgomery, AL 36123-5019 · (334) 279-1450
Phone(880) 233-2570
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 2007
Enumeration DateNovember 3, 2008
Last NPPES UpdateSeptember 24, 2025
NPPES CertifiedSeptember 24, 2025
✔ NPI 1588817696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in GA · 69943✔ Licensed in FL · ME132479
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
3100 KEMBLE AVE., Brunswick, GA 31520
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John R Rentz 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 ID3072764976
PECOS Enrollment IDI20130909000072, I20251031001790
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.

Areas of Expertise CMS Part B claims 11

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
52 services52 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
33 services33 patients
Anesthesia for other procedure on urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
21 services21 patients
Anesthesia for other procedure on skin of arms, legs, and front body 00400
Anesthesia for procedures on the skin of your arms, legs, and front body is a service that numbs the area being treated. This ensures you don't feel pain during procedures like biopsies, stitches, or minor surgeries. It's administered through a small injection or a topical cream.
20 services20 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
18 services18 patients
Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope 00918
This procedure involves using anesthesia to ensure comfort while a special instrument called an endoscope helps to locate, break up, and possibly remove kidney stones. The endoscope is a thin, flexible tube which is gently inserted and navigated to the area of concern.
15 services15 patients

Hospital Affiliations CMS Care Compare 4

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

Baptist Health Medical Center - Jacksonville

Acute Care Hospitals · Jacksonville, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100088
Location800 Prudential DrJacksonville, FL 32207 · Duval County
Emergency services Birthing friendly

Memorial Satilla Health

Acute Care Hospitals · Waycross, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110003
Location1900 Tebeau StreetWaycross, GA 31501 · Ware County
Emergency services

Southeast Georgia Health System- Brunswick Campus

Acute Care Hospitals · Brunswick, GA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110025
Location2415 Parkwood DriveBrunswick, GA 31520 · Glynn County
Emergency services

Southeast Georgia Health System -- Camden Campus

Acute Care Hospitals · Saint Marys, GA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110146
Location2000 Dan Proctor DriveSaint Marys, GA 31558 · Camden County
Emergency services

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 John Rentz's NPI number?

The NPI number for John Rentz is 1588817696. It was assigned to this individual provider in the NPPES registry on November 3, 2008.

Where is John Rentz located?

John Rentz practices at 3100 Kemble Ave., Brunswick, GA 31520. The listed phone number is (880) 233-2570.

What is John Rentz's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is John Rentz enrolled in Medicare?

Yes. John Rentz 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.

What insurance does John Rentz accept?

Health plans from Alliant Health Plans, Inc. list John Rentz 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 John Rentz affiliated with any hospitals?

According to CMS data, John Rentz is affiliated with Baptist Health Medical Center - Jacksonville, Memorial Satilla Health, Southeast Georgia Health System- Brunswick Campus and Southeast Georgia Health System -- Camden Campus.

When was this NPI record last updated?

The NPPES record for John Rentz was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.