MARY KATE FLAIG MD
NPI 1154255727
Emergency Medicine in Charleston, SC

Active since June 10, 2026PECOS Enrolled
169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL, MSC333, CHARLESTON, SC 29425(843) 876-8023 Get Directions Write a Review

NPPES record last updated: June 10, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Mary Kate Flaig Md NPPES

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

MARY KATE FLAIG MD (NPI 1154255727) is an individual emergency medicine provider in Charleston, South Carolina, licensed in South Carolina (MMD.97165LL) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154255727
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMARY KATE FLAIGCredential: MD
Location Address169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL, MSC333Charleston, SC 29425
Mailing Address169 Ashley Avenue, Room 202 Main Hospital, Msc333Charleston, SC 29425
Sole ProprietorYes
Enumeration DateJune 10, 2026
NPPES CertifiedJune 10, 2026
✔ NPI 1154255727 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 · MMD.97165LL
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.
169 ASHLEY AVENUE, Charleston, SC 29425

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Kate Flaig Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29425 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 20

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

Internal Medicine
169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL MSC333
CHARLESTON, SC 29425
Psychiatry & Neurology (Psychiatry)
169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL, MSC333
CHARLESTON, SC 29425
Internal Medicine (Infectious Disease)
169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL MSC 333
CHARLESTON, SC 29425
Pathology (Anatomic Pathology & Clinical Pathology)
169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL MSC333
CHARLESTON, SC 29425
Internal Medicine
169 ASHLEY AVENUE, ROOM 202 MSC333
CHARLESTON, SC 29425
Internal Medicine
169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL MSC333
CHARLESTON, SC 29425
Emergency Medicine
169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL MSC333
CHARLESTON, SC 29425
Surgery
169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL MSC333
CHARLESTON, SC 29425

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 Mary Kate Flaig's NPI number?

The NPI number for Mary Kate Flaig is 1154255727. It was assigned to this individual provider in the NPPES registry on June 10, 2026.

Where is Mary Kate Flaig located?

Mary Kate Flaig practices at 169 Ashley Avenue Room 202 Main Hospital, Msc333, Charleston, SC 29425. The listed phone number is (843) 876-8023.

What is Mary Kate Flaig's specialty?

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

Is Mary Kate Flaig enrolled in Medicare?

Yes. Mary Kate Flaig is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Kate Flaig was last updated on June 10, 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.