Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Andrew David Greenstein, DMD

Endodontics in King of Prussia, PA · enumerated 2006.

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

National Provider Identifier

1154485258

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Registry record

Entity type Individual (Type 1)

Name Dr. Andrew David Greenstein

Credential DMD

Sex Male

Practice address 357 S Gulph Rd, Ste 100, King of Prussia, PA, 19406

Phone (610) 337-2325

Fax (610) 337-3863

Enumeration date Dec 21, 2006

Last updated in NPPES Jan 3, 2012

Taxonomy & licenses

1223E0200X Endodontics Dental Providers · License DS020563L (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 Andrew Greenstein?

The National Provider Identifier (NPI) for Andrew Greenstein is 1154485258, a Type 1 (individual) record in the CMS NPPES registry.

Where does Andrew Greenstein practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-03.