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JOHNATHAN MILTON ISOM MD, MBA
NPI 1609832690
Anesthesiology in Memphis, TN

Active since April 26, 2006PECOS Enrolled
92.93/100
CMS Quality Rating
5744 NANJACK CIR, MEMPHIS, TN 38115(901) 797-9711(901) 797-9771 Get Directions Write a Review

NPPES record last updated: December 20, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Johnathan Milton Isom Md, Mba NPPES

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

JOHNATHAN MILTON ISOM MD, MBA (NPI 1609832690) is an individual anesthesiology provider in Memphis, Tennessee, licensed in Tennessee (20634) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Wellstar Kennestone Regional Medical Center, and maintains a secondary practice location in Jackson.

NPPES Registry Identity

NPI1609832690
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJOHNATHAN MILTON ISOMCredential: MD, MBA
Location Address5744 NANJACK CIRMemphis, TN 38115-2061
Mailing AddressPo Box 400Jackson, TN 38302-0400 · (731) 425-5752 · Fax (731) 422-5743
Phone(901) 797-9711
Fax(901) 797-9771
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1985
Enumeration DateApril 26, 2006
Last NPPES UpdateDecember 20, 2018
✔ NPI 1609832690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TN · 20634
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.
5744 NANJACK CIR, Memphis, TN 38115
Open in Google Maps ↗

Secondary Practice Location 1

Location 1620 Skyline DrJackson, TN 38301-3923 · Phone (731) 541-7070 · Fax (731) 541-7075

Other Identifiers 2

Other3030932TN · Bcbs
Other302I059810MS · Medicare Ptan

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Johnathan Milton Isom Md, Mba is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5092799619
PECOS Enrollment IDI20220126001708
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

4

Medicare enrollment records show Johnathan Isom reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Wellstar Medical Group, LLC
295 mi
Family Medicine
12 MEDICAL DR NE
Cartersville, GA 30121
  • Reassigned Medicare billing, Georgia enrollment
  • 3,885 clinicians in this Medicare group
NPI 1588059653 (770) 386-1000
Mak Anesthesia Holdings LLC
310 mi
Anesthesiology
1300 RIDENOUR BLVD NW STE 300
Kennesaw, GA 30152
  • Reassigned Medicare billing, Georgia enrollment
  • 629 clinicians in this Medicare group
NPI 1912452939 (770) 702-1806
Georgia Anesthesiologists, PC
311 mi
Anesthesiology
1505 STONEBRIDGE PKWY, SUITE 200
Woodstock, GA 30189
  • Reassigned Medicare billing, Georgia enrollment
  • Medicare enrollment name: Georgia Anesthesiologists, P.C.
  • 131 clinicians in this Medicare group
NPI 1740299197 (470) 505-8070
Usa Health Anesthesia Billing Services, LLC
318 mi
Anesthesiology
2451 FILLINGIM ST
Mobile, AL 36617
  • Reassigned Medicare billing, Alabama enrollment
  • 267 clinicians in this Medicare group
NPI 1629635818 (251) 471-7000

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 6

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 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.
474 services429 patients
Anesthesia for other closed procedure on chest 00520
Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.
218 services201 patients
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.
192 services185 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.
78 services76 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
70 services69 patients
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 00732
This procedure involves using an endoscope, a flexible tube with a light and camera, to examine or treat your gallbladder, pancreas, or liver. Anesthesia is administered to ensure you're comfortable and pain-free during the procedure.
53 services49 patients

Hospital Affiliations CMS Care Compare 2

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

Wellstar Kennestone Regional Medical Center

Acute Care Hospitals · Marietta, GA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110035
Location677 Church StreetMarietta, GA 30060 · Cobb County
Emergency services Birthing friendly

Wellstar Cobb Medical Center

Acute Care Hospitals · Austell, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110143
Location3950 Austell RdAustell, GA 30106 · Cobb County
Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.93/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.38
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SIMINDOKHT HAZRATI MD
Anesthesiology
5744 NANJACK CIR
MEMPHIS, TN 38115
Shelby County (901) 797-9711
ANGELA SHADE ISOM RN
Registered Nurse
5744 NANJACK CIR
MEMPHIS, TN 38115
Shelby County (901) 797-9711
REED ISOM CABIGAO ANESTHESIA PLLC
Anesthesiology
5744 NANJACK CIR
MEMPHIS, TN 38115
Shelby County (901) 797-9711
THE AKESO GROUP
Anesthesiology
5744 NANJACK CIR
MEMPHIS, TN 38115
Shelby County (901) 797-9711
CORAZON N PADUA CRNA
Nurse Anesthetist, Certified Registered
5744 NANJACK CIR
MEMPHIS, TN 38115
Shelby County (901) 797-9711
ANESTHESIA ASSOCIATES OF MEMPHIS, INC.
Anesthesiology
5744 NANJACK CIR
MEMPHIS, TN 38115
Shelby County (901) 797-9711
RENATO M ZALAMEA CRNA
Nurse Anesthetist, Certified Registered
5744 NANJACK CIR
MEMPHIS, TN 38115
Shelby County (901) 797-9711
THE AKESO GROUP
Anesthesiology
5744 NANJACK CIR
MEMPHIS, TN 38115
Shelby County (901) 854-7363

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 Johnathan Isom's NPI number?

The NPI number for Johnathan Isom is 1609832690. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Johnathan Isom located?

Johnathan Isom practices at 5744 Nanjack Cir, Memphis, TN 38115. The listed phone number is (901) 797-9711.

What is Johnathan Isom's specialty?

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

Is Johnathan Isom enrolled in Medicare?

Yes. Johnathan Isom is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Johnathan Isom's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Johnathan Isom reassigns Medicare benefits to 4 organizations: Wellstar Medical Group, LLC (Cartersville, GA), Mak Anesthesia Holdings LLC (Kennesaw, GA), Georgia Anesthesiologists, PC (Woodstock, GA) and Usa Health Anesthesia Billing Services, LLC (Mobile, AL). 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 Johnathan Isom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Johnathan Isom accept?

Health plans from Alliant Health Plans, Inc., Cigna Healthcare and Oscar Health list Johnathan Isom 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 Johnathan Isom affiliated with any hospitals?

According to CMS data, Johnathan Isom is affiliated with Wellstar Kennestone Regional Medical Center and Wellstar Cobb Medical Center.

When was this NPI record last updated?

The NPPES record for Johnathan Isom was last updated on December 20, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.