Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Elizabeth Mitchell Dugan MD LLC

Specialist in Silver Spring, MD · enumerated 2007 · authorized official Elizabeth Dugan, Sole Propriator.

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

National Provider Identifier

1588869226

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Registry record

Entity type Organization (Type 2)

Legal business name Elizabeth Mitchell Dugan MD LLC

Practice address 10313 Georgia Ave, Suite 309, Silver Spring, MD, 20902

Phone (301) 681-3442

Enumeration date Jun 20, 2007

Last updated in NPPES May 9, 2008

Taxonomy & classification

174400000X Specialist Other Service Providers · License D0038251 (MD) Primary

Authorized official

Name Elizabeth Dugan

Title Sole Propriator

Phone (301) 681-3442

Other identifiers

Identifier	Type	State	Issuer
K706	Other	DC	CAREFIRST

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Elizabeth Mitchell Dugan MD LLC?

Elizabeth Mitchell Dugan MD LLC is registered in NPPES as a Specialist (its primary provider taxonomy).

Providers at this address

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Norman Lockshin Dermatology Physician · Silver Spring, MD NPI 1366440117 Edward Cowen Dermatology Physician · Silver Spring, MD NPI 1639179716 Jerry Rudden General Practice Dentistry · Silver Spring, MD NPI 1477554491 Derm Associates LLC Dermatology Physician · Silver Spring, MD NPI 1649271354 Benjamin Lockshin Dermatology Physician · Silver Spring, MD NPI 1275523110 George Resta Obstetrics & Gynecology Physician · Silver Spring, MD NPI 1720078215 Thomas Goodridge Gynecology Physician · Silver Spring, MD NPI 1821089327 Rolando Perez Gynecology Physician · Silver Spring, MD NPI 1467443960

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-09.