Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

T. Ann Tonnu, MD, LLC

Organization Specialist · NPI 1811170954

T. Ann Tonnu, MD, LLC is a Specialist in Gaithersburg, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

9057 Shady Grove Ct
Gaithersburg, MD 20877-1301
Phone: (301) 721-1614
Fax: (301) 721-1624
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence D0047295 (MD)

Record details

NPI number1811170954
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Tuanh Tonnu — Owner · (301) 721-1614
NPI enumeratedDecember 12, 2007
Last updated in NPPESDecember 12, 2007
Mailing address9057 Shady Grove Ct, Gaithersburg, MD 20877-1301

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