Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Andrew Nelson Dill, D.D.S.

Dentist in Ann Arbor, MI · enumerated 2011.

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

National Provider Identifier

1922394196

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Registry record

Entity type Individual (Type 1)

Name Dr. Andrew Nelson Dill

Credential D.D.S.

Sex Male

Practice address 1120 W Huron St, Ann Arbor, MI, 48103

Phone (734) 663-0100

Fax (734) 663-0100

Enumeration date Jun 25, 2011

Last updated in NPPES Nov 13, 2019

Taxonomy & licenses

122300000X Dentist Dental Providers · License 2901020400 (MI) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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

How do I verify Andrew Dill's NPI record?

Cross-check NPI 1922394196 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1922394196 active?

Yes, as of the latest NPPES snapshot, NPI 1922394196 is active (record last updated 2019-11-13).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-11-13.