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DR. WILLIAM CAMPBELL MCLAIN III MD
NPI 1467426650
Internal Medicine - Pulmonary Disease in Columbia, SC

Active since February 14, 2006PECOS Enrolled
700 GERVAIS ST, SUITE 200, COLUMBIA, SC 29201(803) 788-4762 Get Directions Write a Review

NPPES record last updated: January 31, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. William Campbell Mclain Iii Md NPPES

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

DR. WILLIAM CAMPBELL MCLAIN III MD (NPI 1467426650) is an individual pulmonary disease provider in Columbia, South Carolina, licensed in South Carolina (9060) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467426650
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. WILLIAM CAMPBELL MCLAIN IIICredential: MD
Location Address700 GERVAIS ST, SUITE 200Columbia, SC 29201-3047
Mailing Address700 Gervais St, Suite 200Columbia, SC 29201-3047 · (803) 788-4762
Phone(803) 788-4762
Sole ProprietorYes
Enumeration DateFebruary 14, 2006
Last NPPES UpdateJanuary 31, 2013
✔ NPI 1467426650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in SC · 9060
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
700 GERVAIS ST, Columbia, SC 29201
Open in Google Maps ↗

Other Identifiers 2

Medicare UPIND05576SC
Medicare PIND055766986SC

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Campbell Mclain 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.

Medicare Billing Reassignment

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

Bogan Sleep Consultants
0.7 mi
Sleep Medicine
1333 TAYLOR ST, SUITE 6B
Columbia, SC 29201
  • Reassigned Medicare billing, South Carolina enrollment
  • 11 clinicians in this Medicare group
NPI 1497296164 (803) 251-3093

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 29201 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.

Referred Medical Equipment & Supplies CMS DME claims 18

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
25 suppliers968 claims968 services$33.89 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
22 suppliers564 claims564 services$72.84 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
23 suppliers553 claims1,550 services$27.44 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
18 suppliers298 claims1,724 services$15.59 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
15 suppliers275 claims1,593 services$12.72 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
21 suppliers600 claims600 services$45.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

SLEEPMED, INC
Clinic/Center (Sleep Disorder Diagnostic)
700 GERVAIS ST, SUITE 200
COLUMBIA, SC 29201
Richland County (803) 779-5454
JOHN H MOORE MD
Obstetrics & Gynecology (Gynecology)
700 GERVAIS ST, STE 300
COLUMBIA, SC 29201
Richland County (803) 254-3230
KATHRYN L MOORE MD
Obstetrics & Gynecology (Gynecology)
700 GERVAIS ST, STE 300
COLUMBIA, SC 29201
Richland County (803) 254-3230
HAROLD A MOORE MD
Obstetrics & Gynecology
700 GERVAIS ST, STE 300
COLUMBIA, SC 29201
Richland County (803) 254-3230

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 Mclain's NPI number?

The NPI number for William Mclain is 1467426650. It was assigned to this individual provider in the NPPES registry on February 14, 2006.

Where is William Mclain located?

William Mclain practices at 700 Gervais St Suite 200, Columbia, SC 29201. The listed phone number is (803) 788-4762.

What is William Mclain's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is William Mclain enrolled in Medicare?

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

Which organization bills Medicare for William Mclain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Mclain reassigns Medicare benefits to Bogan Sleep Consultants (Columbia, 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 William Mclain'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 William Mclain was last updated on January 31, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.