Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Harold Nmn Lipton, MSW

Clinical Social Worker in Lewes, DE · enumerated 2007.

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

National Provider Identifier

1700935426

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Registry record

Entity type Individual (Type 1)

Name Mr. Harold Nmn Lipton

Credential MSW

Sex Male

Practice address Lewes, DE, 19958

Phone (302) 827-6040

Fax (302) 749-9883

Enumeration date Jan 10, 2007

Last updated in NPPES Oct 23, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License Q1-0001378 (DE) Primary

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 Harold Lipton?

The National Provider Identifier (NPI) for Harold Lipton is 1700935426, a Type 1 (individual) record in the CMS NPPES registry.

Where does Harold Lipton practice?

The practice location on file with NPPES is in Lewes, DE. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

William Fishbein Counseling Psychologist · Lewes, DE NPI 1073035754 Susan Nyden Clinical Social Worker · Lewes, DE NPI 1902319858

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-10-23.