T. ANN TONNU, M.D., LLC
NPI 1811170954
Specialist in Gaithersburg, MD

Q: What is T. Ann Tonnu, M.D., LLC's NPI number?

The NPI number for T. Ann Tonnu, M.D., LLC is 1811170954. It was assigned to this organization in the NPPES registry on December 12, 2007.

Q: What is T. Ann Tonnu, M.D., LLC's specialty?

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

Active since December 12, 2007

9057 SHADY GROVE CT, GAITHERSBURG, MD 20877(301) 721-1614(301) 721-1624 Get Directions Write a Review

NPPES record last updated: December 12, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About T. Ann Tonnu, M.d., Llc NPPES

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

T. ANN TONNU, M.D., LLC (NPI 1811170954) is a healthcare organization registered as a specialist in Gaithersburg, Maryland and active in the NPI registry since December 2007. The organization lists Tuanh Tonnu, Owner, as its authorized official.

NPPES Registry Identity

NPI1811170954

Entity TypeOrganization

Primary Taxonomy174400000X

Legal Business NameT. ANN TONNU, M.D., LLC

Location Address9057 SHADY GROVE CTGaithersburg, MD 20877-1301

Mailing Address9057 Shady Grove CtGaithersburg, MD 20877-1301 · (301) 721-1614 · Fax (301) 721-1624

Phone(301) 721-1614

Fax(301) 721-1624

Organization SubpartNo

Authorized OfficialTuanh TonnuOwner · (301) 721-1614

Enumeration DateDecember 12, 2007

✔ NPI 1811170954 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in MD · D0047295

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.

9057 SHADY GROVE CT, Gaithersburg, MD 20877

Open in Google Maps ↗

Other Identifiers 2

Medicaid695400600MD

Medicare UPING14268

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TUANH TONNU MD

Internal Medicine (Gastroenterology)

9057 SHADY GROVE CT
GAITHERSBURG, MD 20877

Montgomery County (301) 721-1614

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 T. Ann Tonnu, M.D., LLC's NPI number?

The NPI number for T. Ann Tonnu, M.D., LLC is 1811170954. It was assigned to this organization in the NPPES registry on December 12, 2007.

Where is T. Ann Tonnu, M.D., LLC located?

T. Ann Tonnu, M.D., LLC is located at 9057 Shady Grove Ct, Gaithersburg, MD 20877. The listed phone number is (301) 721-1614.

What is T. Ann Tonnu, M.D., LLC'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 T. Ann Tonnu, M.D., LLC was last updated on December 12, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.