Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen Paul Howarth Jr., D.M.D.

General Practice Dentistry in Wallingford, PA · enumerated 2016.

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

National Provider Identifier

1356791396

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen Paul Howarth Jr.

Credential D.M.D.

Sex Male

Practice address 105 N Providence Rd, Wallingford, PA, 19086

Phone (610) 566-7175

Enumeration date Jun 21, 2016

Last updated in NPPES Jun 21, 2016

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License DS040870 (PA) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

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 Stephen Howarth?

The National Provider Identifier (NPI) for Stephen Howarth is 1356791396, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Howarth practice?

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

Other providers at this practice address

Browse all →

John Galson General Practice Dentistry · Wallingford, PA NPI 1912037979 Stephen Howarth General Practice Dentistry · Wallingford, PA NPI 1760603237

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-21.