William Mack Hang, DDS, MSD

Specialty details in registry · Westlake Village, CA

Call (805) 374-9377 Directions

At a glance

101 N Westlake Blvd, Westlake Village, CA 91362-3753

NPPES record updated Jul 8, 2007. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

101 N Westlake Blvd Suite 202
Westlake Village, CA 91362-3753
REPORTED BACKGROUND

Education & affiliations

No matching clinician background record in the imported CMS release.

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Service-mix comparison is unavailable for this NPI in the imported Medicare service file.

PAYMENT TRANSPARENCY

Industry-reported general payments

$1,000.00General payments · 2025
1Reported transactions
1Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

PurposeAmount
Gift$1,000.00

Reporting companies

CompanyAmount
PURELIFE, LLC$1,000.00
View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1003983149
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Registry details

Primary taxonomy
Specialty details in registry
Taxonomy code
1223X0400X
Enumeration date
Nov 30, 2006
Record updated
Jul 8, 2007
More registry details
Provider type
Individual · Type 1
Reported credentials
DDS, MSD

Reported taxonomies and licenses

Specialty details in registry

1223X0400X · Primary

License reported: 39271 CA

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

101 N Westlake Blvd
Suite 202
Westlake Village, CA 91362-3753
Phone
(805) 374-9377
Fax
(805) 446-9157
Mailing address
101 N WESTLAKE BLVD
SUITE 202
WESTLAKE VILLAGE, CA 913623753
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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