1. Home
  2. Directory
  3. South Carolina
  4. Charleston
  5. Internal Medicine
  6. NPI Profile

KAREN YANG MD
NPI 1447952163
Internal Medicine in Charleston, SC

Active since March 17, 2023PECOS Enrolled
9330 MEDICAL PLAZA DR, CHARLESTON, SC 29406(843) 847-5621 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2026, Mar 20, 2023, Mar 17, 2023 (3 updates tracked since 2023).

About Karen Yang Md NPPES

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

KAREN YANG MD (NPI 1447952163) is an individual internal medicine provider in Charleston, South Carolina, licensed in South Carolina (90453) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1447952163
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKAREN YANGCredential: MD
Location Address9330 MEDICAL PLAZA DRCharleston, SC 29406-9104
Mailing Address2860 Tricom StNorth Charleston, SC 29406-9333 · (843) 847-5621
Phone(843) 847-5621
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 17, 2023
Last NPPES UpdateAugust 12, 20263 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1447952163 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in SC · 90453
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
9330 MEDICAL PLAZA DR, Charleston, SC 29406
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Yang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719348572
PECOS Enrollment IDI20260827004137
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 Reassignment

Medicare enrollment records show Karen Yang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

24 On Physicians Of Sc, LLC
15 mi
Hospitalist
316 CALHOUN ST
Charleston, SC 29401
  • Reassigned Medicare billing, South Carolina enrollment
  • 281 clinicians in this Medicare group
NPI 1144877655 (800) 923-2247

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29406 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 20

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

MR. RICHARD DALE BRINSON MSN, APRN, NP-C
Nurse Practitioner (Acute Care)
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 847-4595
DR. DARRYL EDWARD MCFARLAND MD
Internal Medicine (Critical Care Medicine)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 797-7000
ROSSEN IVANOV KIRKOV MD
Emergency Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 797-7000
MORGAN ELISABETH HUNT
Student in an Organized Health Care Education/Training Program
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. ALLISON LUNDY MCCRAE MD
Surgery
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. SARAH MARESCA PT, DPT
Physical Therapist
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. VINCENT PAUL GRZYWACZ II MD
Radiology (Radiation Oncology)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 847-4571
MISBHA ANJUM MD
Student in an Organized Health Care Education/Training Program
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 847-5620

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 Karen Yang's NPI number?

The NPI number for Karen Yang is 1447952163. It was assigned to this individual provider in the NPPES registry on March 17, 2023.

Where is Karen Yang located?

Karen Yang practices at 9330 Medical Plaza Dr, Charleston, SC 29406. The listed phone number is (843) 847-5621.

What is Karen Yang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Karen Yang enrolled in Medicare?

Yes. Karen Yang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karen Yang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Yang reassigns Medicare benefits to 24 On Physicians Of Sc, LLC (Charleston, SC). The 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 Karen Yang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Yang was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.