DR. JOHN WILLIAM MIX M.D.
NPI 1558543389
Surgery - Vascular Surgery in Macon, GA

Active since December 04, 2007PECOS EnrolledAccepts Medicare Assignment
1902 FORSYTH ST, MACON, GA 31201(478) 250-9785(478) 202-9505 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 18, 2025, Oct 26, 2020 (2 updates tracked since 2020).

About Dr. John William Mix M.d. NPPES

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

DR. JOHN WILLIAM MIX M.D. (NPI 1558543389) is an individual vascular surgery provider in Macon, Georgia, licensed in Georgia (055271) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Phoebe Putney Memorial Hospital, and is a graduate of Mercer University School Of Medicine (2002).

NPPES Registry Identity

NPI1558543389
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameDR. JOHN WILLIAM MIXCredential: M.D.
Location Address1902 FORSYTH STMacon, GA 31201-8132
Mailing Address1902 Forsyth StMacon, GA 31201-8132 · (478) 250-9785 · Fax (478) 202-9505
Fax(478) 202-9505
Sole ProprietorNo
Medical School CMSMercer University School Of MedicineGraduated 2002
Enumeration DateDecember 4, 2007
Last NPPES UpdateSeptember 18, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
✔ NPI 1558543389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License✔ Licensed in GA · 055271
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
1902 FORSYTH ST, Macon, GA 31201

Accepted 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. John William Mix M.d. 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 ID3476607797
PECOS Enrollment IDI20090820000244
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 John Mix reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vascular Surgery
1902 FORSYTH ST
Macon, GA 31201
  • Reassigned Medicare billing, Georgia enrollment
  • 3 clinicians in this Medicare group
Multi-Specialty
777 HEMLOCK ST
Macon, GA 31201
  • Reassigned Medicare billing, Georgia enrollment
  • 483 clinicians in this Medicare group
Clinic/Center
110 NORMAN DORMINY DR
Fitzgerald, GA 31750
  • Reassigned Medicare billing, Georgia enrollment
  • Medicare enrollment name: Phoebe Physician Group Inc
  • 1,118 clinicians in this Medicare group

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 35

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
4,274 services50 patients
Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
317 services308 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
196 services167 patients
Ultrasound study of arm and leg arteries 93922
An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.
190 services153 patients
Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978
This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.
98 services88 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
84 services84 patients

Hospital Affiliations CMS Care Compare 5

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

Phoebe Putney Memorial Hospital

Acute Care Hospitals · Albany, GA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110007
Location417 Third AvenueAlbany, GA 31703 · Dougherty County
Emergency services Birthing friendly

Houston Healthcare

Acute Care Hospitals · Warner Robins, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110069
Location1601 Watson BoulevardWarner Robins, GA 31093 · Houston County
Emergency services Birthing friendly

Atrium Health Navicent The Medical Center

Acute Care Hospitals · Macon, GA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110107
Location777 Hemlock StreetMacon, GA 31201 · Bibb County
Emergency services Birthing friendly

Coliseum Medical Centers, LLC, Dba

Acute Care Hospitals · Macon, GA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110164
Location350 Hospital DriveMacon, GA 31217 · Bibb County
Emergency services Birthing friendly

Piedmont Macon North Hospital

Acute Care Hospitals · Macon, GA
4/5 CMS rating
OwnershipProprietary
CMS Certification Number110201
Location400 Charter BoulevardMacon, GA 31210 · Bibb County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31201 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
$83.23 typical visit price
range $53.31 – $164.04
Typical copayment $20.80 (range $13.32 – $41.01)
Most-billed visit code 99203
Established Patient
$66.89 typical visit price
range $16.68 – $133.24
Typical copayment $16.72 (range $4.17 – $33.31)
Most-billed visit code 99213
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 8

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

Nurse Practitioner (Family)
1902 FORSYTH ST
MACON, GA 31201
Dentist
1902 FORSYTH ST, SUITE C
MACON, GA 31201
Dentist (General Practice)
1902 FORSYTH ST, SUITE C
MACON, GA 31201
Surgery (Vascular Surgery)
1902 FORSYTH ST
MACON, GA 31201
Nurse Practitioner (Family)
1902 FORSYTH ST
MACON, GA 31201
Specialist/Technologist, Other (Surgical Assistant)
1902 FORSYTH ST
MACON, GA 31201
Clinic/Center (Dental)
1902 FORSYTH ST, SUITE C
MACON, GA 31201
Surgery (Vascular Surgery)
1902 FORSYTH ST
MACON, GA 31201

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 Mix's NPI number?

The NPI number for John Mix is 1558543389. It was assigned to this individual provider in the NPPES registry on December 4, 2007.

Where is John Mix located?

John Mix practices at 1902 Forsyth St, Macon, GA 31201. The listed phone number is (478) 250-9785.

What is John Mix's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is John Mix enrolled in Medicare?

Yes. John Mix 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 John Mix's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Mix reassigns Medicare benefits to 3 organizations: Premier Vascular, LLC (Macon, GA), Health Services Of Central Georgia, Inc (Macon, GA) and Phoebe Dorminy Family Care (Fitzgerald, GA). 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 John Mix's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Mix accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list John Mix 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 Mix affiliated with any hospitals?

According to CMS data, John Mix is affiliated with Phoebe Putney Memorial Hospital, Houston Healthcare, Atrium Health Navicent The Medical Center, Coliseum Medical Centers, LLC, Dba and Piedmont Macon North Hospital.

When was this NPI record last updated?

The NPPES record for John Mix was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.