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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. WILLIAM M DARBY III MD
NPI 1205849452
Pediatrics in Greenville, SC

Active since August 15, 2006PECOS Enrolled
525 VERDAE BLVD STE 200, GREENVILLE, SC 29607(864) 272-0388(864) 234-7961 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. William M Darby Iii Md NPPES

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

MR. WILLIAM M DARBY III MD (NPI 1205849452) is an individual pediatrics provider in Greenville, South Carolina, licensed in South Carolina (22536) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205849452
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameMR. WILLIAM M DARBY IIICredential: MD
Location Address525 VERDAE BLVD STE 200Greenville, SC 29607-4021
Mailing Address525 Verdae Blvd Ste 200Greenville, SC 29607-4021 · (864) 272-0388
Phone(864) 272-0388
Fax(864) 234-7961
Sole ProprietorNo
Enumeration DateAugust 15, 2006
Last NPPES UpdateJuly 21, 2026
NPPES CertifiedJuly 21, 2026
✔ NPI 1205849452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in SC · 22536
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.
525 VERDAE BLVD STE 200, Greenville, SC 29607
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Other Identifiers 2

MedicaidGP2981SC
Other562212236SC · Champus

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. William M Darby Iii 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 29607 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.

KATHERINE LACEY KAISER CPNP-AC
Nurse Practitioner (Pediatrics, Critical Care)
525 VERDAE BLVD STE 200
GREENVILLE, SC 29607
Greenville County (864) 272-0388
MRS. CAROLINE HART PA-C
Physician Assistant
525 VERDAE BLVD STE 200
GREENVILLE, SC 29607
Greenville County (864) 272-0388
MR. GARY ALLEN BASS MD
Pediatrics
525 VERDAE BLVD STE 200
GREENVILLE, SC 29607
Greenville County (864) 272-0388
BRITTAINE HINKSON DAVIS PA
Physician Assistant (Medical)
525 VERDAE BLVD STE 200
GREENVILLE, SC 29607
Greenville County (864) 272-0388
KRISTIN MALIK RICH LPC
Counselor (Mental Health)
525 VERDAE BLVD STE 200
GREENVILLE, SC 29607
Greenville County (864) 757-5500
CHRISTOPHER M DAVIS DO
Family Medicine
525 VERDAE BLVD STE 200
GREENVILLE, SC 29607
Greenville County (864) 272-0388
LAUREN GRACE OWENS WILLIAMS MS, APRN, FNP-C
Nurse Practitioner (Family)
525 VERDAE BLVD STE 200
GREENVILLE, SC 29607
Greenville County (803) 272-0388
KATHERINE H MINTON M.D.
Pediatrics
525 VERDAE BLVD STE 200
GREENVILLE, SC 29607
Greenville County (864) 272-0388

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 William Darby's NPI number?

The NPI number for William Darby is 1205849452. It was assigned to this individual provider in the NPPES registry on August 15, 2006.

Where is William Darby located?

William Darby practices at 525 Verdae Blvd Ste 200, Greenville, SC 29607. The listed phone number is (864) 272-0388.

What is William Darby's specialty?

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

Is William Darby enrolled in Medicare?

Yes. William Darby is registered in the Medicare PECOS enrollment system.

What insurance does William Darby accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina, First Choice Next and Molina Healthcare and 1 other insurer list William Darby 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 William Darby was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.