WILLIAM ZACHARY POSTON DO
NPI 1497370308
Emergency Medicine in Columbia, SC

Q: What is William Poston's NPI number?

The NPI number for William Poston is 1497370308. It was assigned to this individual provider in the NPPES registry on June 16, 2020.

Q: What is William Poston's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for William Poston was last updated on June 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since June 16, 2020PECOS EnrolledAccepts Medicare Assignment

EMERGENCY MEDICINE, 14 MEDICAL PARK, STE 350, COLUMBIA, SC 29203(803) 434-3790(803) 434-6299 Get Directions Write a Review

NPPES record last updated: June 16, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About William Zachary Poston Do NPPES

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

WILLIAM ZACHARY POSTON DO (NPI 1497370308) is an individual emergency medicine provider in Columbia, South Carolina, licensed in South Carolina (LL83245) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Carolinas Medical Center/behav Health, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1497370308

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameWILLIAM ZACHARY POSTONCredential: DO

Location AddressEMERGENCY MEDICINE, 14 MEDICAL PARK, STE 350Columbia, SC 29203

Mailing AddressEmergency Medicine, 14 Medical Park, Ste 350Columbia, SC 29203 · (803) 434-3790 · Fax (803) 434-6299

Phone(803) 434-3790

Fax(803) 434-6299

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateJune 16, 2020

NPPES CertifiedJune 16, 2020

✔ NPI 1497370308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in SC · LL83245

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

EMERGENCY MEDICINE, Columbia, SC 29203

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Plan of North Carolina, Inc.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

William Zachary Poston Do 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 ID7517345408

PECOS Enrollment IDI20230831004571

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

Medicare enrollment records show William Poston reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mcleod Health Cheraw

71 mi

Rural Health

701 CASHUA FERRY RD
Darlington, SC 29532

Reassigned Medicare billing, South Carolina enrollment
275 clinicians in this Medicare group

NPI 1003410903 (843) 398-8500

Emergency Medicine Physicians Of Mecklenburg County, PLLC

71 mi

Emergency Medicine

10628 PARK RD
Charlotte, NC 28210

Reassigned Medicare billing, North Carolina enrollment
230 clinicians in this Medicare group

NPI 1912232182 (330) 493-4443

Wake Forest Emergency Providers

119 mi

Multi-Specialty

557 BROOKDALE DR
Statesville, NC 28677

Reassigned Medicare billing, North Carolina enrollment
580 clinicians in this Medicare group

NPI 1396216735 (336) 716-2255

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 4

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

110 services102 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

103 services101 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

49 services47 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

35 services35 patients

Hospital Affiliations CMS Care Compare 2

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

Carolinas Medical Center/Behav Health

Acute Care Hospitals · Charlotte, NC

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number340113

Location1000 Blythe BlvdCharlotte, NC 28203 · Mecklenburg County

Emergency services Birthing friendly

Atrium Health University City

Acute Care Hospitals · Charlotte, NC

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number340166

Location8800 North Tyron StreetCharlotte, NC 28262 · Mecklenburg County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29203 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

$83.18 typical visit price

range $53.57 – $163.84

Typical copayment $20.79 (range $13.39 – $40.96)

Most-billed visit code 99203

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 7

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

WILLIAM JOHN DONOHUE FRASER MD

Emergency Medicine