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BILLY JOE MULLINAX MD
NPI 1144789447
Internal Medicine - Interventional Cardiology in Florence, SC

Active since March 16, 2019PECOS EnrolledAccepts Medicare Assignment
101 WILLIAM H JOHNSON ST STE 600, FLORENCE, SC 29506(843) 777-2000 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 28, 2026, Jun 21, 2019, Mar 16, 2019 (3 updates tracked since 2019).

About Billy Joe Mullinax Md NPPES

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

BILLY JOE MULLINAX MD (NPI 1144789447) is an individual interventional cardiology provider in Florence, South Carolina, licensed in South Carolina (96036) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Emory University Hospital Midtown, and is a graduate of Medical University Of South Carolina College Of Medicine (2019).

NPPES Registry Identity

NPI1144789447
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameBILLY JOE MULLINAXCredential: MD
Location Address101 WILLIAM H JOHNSON ST STE 600Florence, SC 29506-2773
Mailing Address100 Woodruff Circle, Suite 327Atlanta, GA 30322 · (404) 727-5658
Phone(843) 777-2000
Sole ProprietorYes
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2019
Enumeration DateMarch 16, 2019
Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1144789447 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License✔ Licensed in SC · 96036
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal MedicineTaxonomy 207R00000X · License 90899 (GA)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 96036 (SC)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 11214 (GA)
101 WILLIAM H JOHNSON ST STE 600, Florence, SC 29506
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina 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 and accepts Medicare assignment

Billy Joe Mullinax 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 ID143555011
PECOS Enrollment IDI20260812004058
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 Billy Mullinax reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mcleod Physician Associates II
0.1 mi
Urology
800 E CHEVES ST, SUITE 350
Florence, SC 29506
  • Reassigned Medicare billing, South Carolina enrollment
  • 878 clinicians in this Medicare group
NPI 1649428194 (843) 665-2000
Mcleod Regional Medical Center Of The Pee Dee, Inc
0.2 mi
Emergency Medical Services
555 E CHEVES ST
Florence, SC 29506
  • Reassigned Medicare billing, South Carolina enrollment
  • 816 clinicians in this Medicare group
NPI 1154371433 (843) 777-2000
Emory Specialty Associates, LLC
315 mi
Anesthesiology
303 SMITH ST
Lagrange, GA 30240
  • Reassigned Medicare billing, Georgia enrollment
  • 1,506 clinicians in this Medicare group
NPI 1407864168 (404) 778-4888

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Emory University Hospital Midtown

Acute Care Hospitals · Atlanta, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110078
Location550 Peachtree Street, NEAtlanta, GA 30308 · Fulton County
Emergency services Birthing friendly

Mcleod Regional Medical Center-Pee Dee

Acute Care Hospitals · Florence, SC
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420051
Location555 E Cheves St Box 8700Florence, SC 29506 · Florence County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29506 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
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 16

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

WHITNEY LENORE SIMS PA-C
Physician Assistant (Medical)
101 WILLIAM H JOHNSON ST STE 600
FLORENCE, SC 29506
Florence County (843) 667-1891
DR. BRIAN DAVID BLAKER MD
Internal Medicine (Cardiovascular Disease)
101 WILLIAM H JOHNSON ST STE 600
FLORENCE, SC 29506
Florence County (843) 667-1891
MRS. JESSICA M. POLEY APRN
Nurse Practitioner (Family)
101 WILLIAM H JOHNSON ST STE 600
FLORENCE, SC 29506
Florence County (843) 667-1891
DR. RAVI PARIKH M.D.
Internal Medicine (Interventional Cardiology)
101 WILLIAM H JOHNSON ST STE 600
FLORENCE, SC 29506
Florence County (843) 667-1891
MEGAN RENA COLEMAN NP
Nurse Practitioner
101 WILLIAM H JOHNSON ST STE 600
FLORENCE, SC 29506
Florence County (843) 667-1891
MS. GLENDA FAYE HARRIS HICKMAN ARNP
Nurse Practitioner
101 WILLIAM H JOHNSON ST STE 600
FLORENCE, SC 29506
Florence County (843) 777-7083
SUMMER W BRYANT-COOK NP
Nurse Practitioner (Adult Health)
101 WILLIAM H JOHNSON ST STE 600
FLORENCE, SC 29506
Florence County (843) 667-1891
MCLEOD REGIONAL MEDICAL CENTER OF THE PEE DEE, INC
Internal Medicine (Cardiovascular Disease)
101 WILLIAM H JOHNSON ST STE 600
FLORENCE, SC 29506
Florence County (843) 777-5701

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 Billy Mullinax's NPI number?

The NPI number for Billy Mullinax is 1144789447. It was assigned to this individual provider in the NPPES registry on March 16, 2019.

Where is Billy Mullinax located?

Billy Mullinax practices at 101 William H Johnson St Ste 600, Florence, SC 29506. The listed phone number is (843) 777-2000.

What is Billy Mullinax's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Billy Mullinax enrolled in Medicare?

Yes. Billy Mullinax 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 Billy Mullinax's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Billy Mullinax reassigns Medicare benefits to 3 organizations: Mcleod Physician Associates II (Florence, SC), Mcleod Regional Medical Center Of The Pee Dee, Inc (Florence, SC) and Emory Specialty Associates, LLC (Lagrange, 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 Billy Mullinax's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Billy Mullinax accept?

Health plans from Molina Healthcare and Oscar Health list Billy Mullinax 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 Billy Mullinax affiliated with any hospitals?

According to CMS data, Billy Mullinax is affiliated with Emory University Hospital Midtown and Mcleod Regional Medical Center-Pee Dee.

When was this NPI record last updated?

The NPPES record for Billy Mullinax was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.