Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Hamarock Consultants Inc

Custodial Care Facility in Laguna Woods, CA · enumerated 2016 · authorized official Joel Rubenstein, Owner.

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

National Provider Identifier

1326580770

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Registry record

Entity type Organization (Type 2)

Legal business name Hamarock Consultants Inc

Other name <Unavail>

Practice address 24361 El Toro Rd, 205, Laguna Woods, CA, 92637

Phone (949) 528-3500

Enumeration date Nov 15, 2016

Last updated in NPPES Nov 15, 2016

Taxonomy & classification

311Z00000X Custodial Care Facility Nursing & Custodial Care Facilities · License 304700130 (CA) Primary

Authorized official

Name Joel Rubenstein

Title Owner

Phone (949) 528-3500

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

Where is Hamarock Consultants Inc located?

The practice location on file with NPPES is in Laguna Woods, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2016-11-15. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-15.