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DR. WILLIAM HOWARD MASON II DDS
NPI 1245455914
Dentist - General Practice in Summersville, WV

Active since April 16, 2007PECOS Enrolled
415 MAIN ST, SUMMERSVILLE, WV 26651(304) 872-1663(304) 872-1804 Get Directions Write a Review

NPPES record last updated: October 10, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 10, 2024, Feb 7, 2024, Feb 13, 2023 and 2 more (5 updates tracked since 2020).

About Dr. William Howard Mason Ii Dds NPPES

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

DR. WILLIAM HOWARD MASON II DDS (NPI 1245455914) is an individual general practice provider in Summersville, West Virginia, licensed in West Virginia (3677) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245455914
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. WILLIAM HOWARD MASON IICredential: DDS
Location Address415 MAIN STSummersville, WV 26651-1343
Mailing Address10003 Webster RdCamden On Gauley, WV 26208-7713 · (304) 226-5725 · Fax (304) 226-3274
Phone(304) 872-1663
Fax(304) 872-1804
Sole ProprietorNo
Enumeration DateApril 16, 2007
Last NPPES UpdateOctober 10, 20245 updates tracked since enumeration
NPPES CertifiedOctober 10, 2024
✔ NPI 1245455914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in WV · 3677
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Also ListedCommunity Health WorkerTaxonomy 172V00000X
415 MAIN ST, Summersville, WV 26651
Open in Google Maps ↗

Other Identifiers 1

Medicaid3810010248WV

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.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. William Howard Mason Ii Dds 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 William Mason reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Camden On Gauley Medical Center Inc
Same address
Federally Qualified Health Center (FQHC)
415 MAIN ST
Summersville, WV 26651
  • Reassigned Medicare billing, West Virginia enrollment
  • Also billed through NPI 1639611452 (West Virginia)
  • 2 clinicians in this Medicare group
NPI 1013590744 (304) 872-1663
New River Health Association, Inc.
24 mi
Federally Qualified Health Center (FQHC)
497 MALL RD
Oak Hill, WV 25901
  • Reassigned Medicare billing, West Virginia enrollment
  • 34 clinicians in this Medicare group
NPI 1386318756 (304) 469-2905

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 26651 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
$83.49 typical visit price
range $53.20 – $164.59
Typical copayment $20.87 (range $13.30 – $41.14)
Most-billed visit code 99203
Established Patient
$66.84 typical visit price
range $16.47 – $133.29
Typical copayment $16.71 (range $4.11 – $33.32)
Most-billed visit code 99213
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 18

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

CAMDEN ON GAULEY MEDICAL CENTER INC
Clinic/Center (Federally Qualified Health Center (FQHC))
415 MAIN ST
SUMMERSVILLE, WV 26651
Nicholas County (304) 872-1663
DR. KEITH RICHARD DE YOUNG M.D.
Family Medicine
415 MAIN ST
SUMMERSVILLE, WV 26651
Nicholas County (304) 872-1663
CAMDEN ON GAULEY MEDICAL CENTER, INC.
Pharmacy (Community/Retail Pharmacy)
415 MAIN ST
SUMMERSVILLE, WV 26651
Nicholas County (304) 872-1663
KATHY HAMON DO
Family Medicine
415 MAIN ST
SUMMERSVILLE, WV 26651
Nicholas County (304) 872-1663
MRS. BETH MARIE HUDSPETH FNP-C
Nurse Practitioner (Family)
415 MAIN ST
SUMMERSVILLE, WV 26651
Nicholas County (304) 872-1663
DR. JAYSON JUDE ZIOLKOWSKI PHARM.D.
Pharmacist
415 MAIN ST
SUMMERSVILLE, WV 26651
Nicholas County (304) 872-1663
MIRAFLOR G KHORSHAD MD
Family Medicine
415 MAIN ST
SUMMERSVILLE, WV 26651
Nicholas County (304) 872-5500
MR. CHARLES G RIDDLE DDS
Dentist (General Practice)
415 MAIN ST
SUMMERSVILLE, WV 26651
Nicholas County (304) 872-1663

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 Mason's NPI number?

The NPI number for William Mason is 1245455914. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Where is William Mason located?

William Mason practices at 415 Main St, Summersville, WV 26651. The listed phone number is (304) 872-1663.

What is William Mason's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is William Mason enrolled in Medicare?

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

Which organizations bill Medicare for William Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Mason reassigns Medicare benefits to 2 organizations: Camden On Gauley Medical Center Inc (Summersville, WV) and New River Health Association, Inc. (Oak Hill, WV). 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 William Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Mason accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Delta Dental PPO and 13 other insurers list William Mason 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 Mason was last updated on October 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.