Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

IAN DOUGLAS SOMERVILLE M.D.
NPI 1679566186
Specialist in Havre De Grace, MD

Q: What is Ian Somerville's NPI number?

The NPI number for Ian Somerville is 1679566186. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Q: What is Ian Somerville's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Ian Somerville was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 30, 2005

400 LEWIS ST, HAVRE DE GRACE, MD 21078(410) 939-5300(410) 939-6485 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Ian Douglas Somerville M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IAN DOUGLAS SOMERVILLE M.D. (NPI 1679566186) is an individual specialist in Havre De Grace, Maryland, licensed in Maryland (D14544) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1679566186

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameIAN DOUGLAS SOMERVILLECredential: M.D.

Location Address400 LEWIS STHavre De Grace, MD 21078-3405

Mailing Address400 Lewis StHavre De Grace, MD 21078-3405 · (410) 939-5300 · Fax (410) 939-6485

Phone(410) 939-5300

Fax(410) 939-6485

Sole ProprietorNo

Enumeration DateAugust 30, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1679566186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in MD · D14544

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

400 LEWIS ST, Havre De Grace, MD 21078

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ian Somerville's NPI number?

The NPI number for Ian Somerville is 1679566186. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Ian Somerville located?

Ian Somerville practices at 400 Lewis St, Havre De Grace, MD 21078. The listed phone number is (410) 939-5300.

What is Ian Somerville's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Ian Somerville was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.