Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Douglas Keith Atno, DMD

General Practice Dentistry in Pennsburg, PA · enumerated 2007.

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

National Provider Identifier

1649316589

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Registry record

Entity type Individual (Type 1)

Name Douglas Keith Atno

Credential DMD

Sex Male

Practice address 581 Main St, Pennsburg, PA, 18073

Phone (215) 679-9675

Fax (215) 679-5641

Enumeration date Jan 29, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License PADS021453L (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

Is NPI 1649316589 active?

Yes, as of the latest NPPES snapshot, NPI 1649316589 is active (record last updated 2007-07-08).

How do I verify Douglas Atno's NPI record?

Cross-check NPI 1649316589 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.