Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Princeton Hypertension Nephrology Associates LLC

Specialist in Princeton Junction, NJ · enumerated 2006 · authorized official Michael Ruddy, Managing Physician.

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

National Provider Identifier

1639124480

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Registry record

Entity type Organization (Type 2)

Legal business name Princeton Hypertension Nephrology Associates LLC

Practice address 88 Princeton Hightstown Rd, Suite 203, Princeton Junction, NJ, 08550

Phone (609) 750-7330

Fax (609) 750-7336

Enumeration date May 23, 2006

Last updated in NPPES Jun 24, 2008

Taxonomy & classification

174400000X Specialist Other Service Providers Primary

Authorized official

Name Michael Ruddy

Title Managing Physician

Phone (609) 750-7330

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

What is the NPI number for Princeton Hypertension Nephrology Associates LLC?

The NPI for Princeton Hypertension Nephrology Associates LLC is 1639124480, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Princeton Hypertension Nephrology Associates LLC?

NPPES lists Michael Ruddy (Managing Physician) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-24.