Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Four Hands Surgical Assistant Co.

Preferred Provider Organization in Houston, TX · enumerated 2008 · authorized official Diana Sierk, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1043496557

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Registry record

Entity type Organization (Type 2)

Legal business name Four Hands Surgical Assistant Co.

Practice address 1221 Mckinney St, Houston, TX, 77010

Phone (713) 442-4700

Enumeration date Jan 14, 2008

Last updated in NPPES Jan 14, 2008

Taxonomy & classification

305R00000X Preferred Provider Organization Managed Care Organizations Primary

Authorized official

Name Diana Sierk

Title President

Phone (409) 925-0332

Other identifiers

Identifier	Type	State	Issuer
1656 TX	Other	-	SURGEON ASISTANT

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-01-14. Verify at npiregistry.cms.hhs.gov.

Where is Four Hands Surgical Assistant Co. located?

The practice location on file with NPPES is in Houston, TX.

Providers at this address

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Kenneth Kennedy Family Medicine Physician · Houston, TX NPI 1235225517

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-14.