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DR. CHARLES STUART SIMKO M.D.
NPI 1700083375
Pediatrics in Greer, SC

Active since June 28, 2007PECOS Enrolled
106 PHYSICIANS DR, GREER, SC 29650(864) 797-9100(864) 241-9239 Get Directions Write a Review

NPPES record last updated: May 13, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Charles Stuart Simko M.d. NPPES

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

DR. CHARLES STUART SIMKO M.D. (NPI 1700083375) is an individual pediatrics provider in Greer, South Carolina, licensed in South Carolina (30172) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Greenville.

NPPES Registry Identity

NPI1700083375
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. CHARLES STUART SIMKOCredential: M.D.
Location Address106 PHYSICIANS DRGreer, SC 29650-2445
Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8603
Phone(864) 797-9100
Fax(864) 241-9239
Sole ProprietorNo
Enumeration DateJune 28, 2007
Last NPPES UpdateMay 13, 2021
NPPES CertifiedMay 13, 2021
✔ NPI 1700083375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in SC · 30172
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
106 PHYSICIANS DR, Greer, SC 29650
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Secondary Practice Location 1

Location 1890 S Pleasantburg DrGreenville, SC 29607-2455 · Phone (864) 271-1450 · Fax (864) 271-3914

Other Identifiers 1

Medicaid301729SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina, InStil Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Charles Stuart Simko M.d. 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Charles Simko reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Prisma Health University Medical Group
4.2 mi
Pediatrics
4501 OLD SPARTANBURG RD STE 9
Taylors, SC 29687
  • Reassigned Medicare billing, South Carolina enrollment
  • 3,281 clinicians in this Medicare group
NPI 1801524392 (864) 292-8868
Greenville Health System
6.4 mi
General Acute Care Hospital
200 PATEWOOD DR, SUITE C 300
Greenville, SC 29615
  • Reassigned Medicare billing, South Carolina enrollment
  • 735 clinicians in this Medicare group
NPI 1184049041 (864) 454-8272

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 29650 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.

BRADLEY SIECKMAN
Pediatrics
106 PHYSICIANS DR
GREER, SC 29650
Greenville County (864) 797-9100
DR. JAQWIANA SAMIA BAKER MD
Pediatrics
106 PHYSICIANS DR
GREER, SC 29650
Greenville County (864) 797-9100
REBECCA WILLIAMS SHOAF M.D.
Pediatrics
106 PHYSICIANS DR
GREER, SC 29650
Greenville County (864) 797-9100
JEFFREY NEAL FAUST M.D.
Pediatrics
106 PHYSICIANS DR
GREER, SC 29650
Greenville County (864) 797-9100
JESSICA MUSE EARLY MD
Pediatrics
106 PHYSICIANS DR
GREER, SC 29650
Greenville County (864) 797-9100
DR. RAHUL KATARIA M.D.
Pediatrics
106 PHYSICIANS DR
GREER, SC 29650
Greenville County (864) 797-9100
KRISTI ANN TUCKER DONLAN CPNP-PC
Nurse Practitioner (Pediatrics)
106 PHYSICIANS DR
GREER, SC 29650
Greenville County (864) 797-9100

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 Charles Simko's NPI number?

The NPI number for Charles Simko is 1700083375. It was assigned to this individual provider in the NPPES registry on June 28, 2007.

Where is Charles Simko located?

Charles Simko practices at 106 Physicians Dr, Greer, SC 29650. The listed phone number is (864) 797-9100.

What is Charles Simko's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Charles Simko enrolled in Medicare?

Yes. Charles Simko is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Charles Simko's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Simko reassigns Medicare benefits to 2 organizations: Prisma Health University Medical Group (Taylors, SC) and Greenville Health System (Greenville, SC). 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 Charles Simko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Simko accept?

Health plans from BlueCross BlueShield of South Carolina and InStil Health list Charles Simko 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.

When was this NPI record last updated?

The NPPES record for Charles Simko was last updated on May 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.