NPPES file of Aug 9, 2026

Theresa P. Ton, DDS

Dentist · Chantilly, VA

Theresa P. Ton, DDS is a dentist with a practice address in Chantilly, Virginia, and NPI 1205964905, issued on Mar 2, 2007. Check the license (Virginia 0401007144, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205964905
Name
Theresa P. Ton
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
0401007144 VA
Self-reported in NPPES; status is on the state search
Practice location
4080 Lafayette Center Dr, Chantilly, VA 20151
Phone
(703) 449-8572
Enumerated
Mar 2, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(703) 449-8572
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4080 Lafayette Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mala Britto, D.D.S., M.SPediatric Dentistry1386660769
  2. Ernest Dixon, RPH.Pharmacist1093006124
  3. Rebecca Ford-Ringwood, NPFamily Nurse Practitioner1407840796
  4. Vijaya Gorle, M.D.Internal Medicine Physician1750371803
  5. Esther Lee, D.D.S.General Practice Dentistry1942609763
  6. Lindsay Liwanag, FNP-BCNurse Practitioner1720457047

Verify Theresa P. Ton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license 0401007144
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Virginia license search

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67% fewer Medicare Part D claims than the average dentist in 2024

28 Medicare Part D claims for 19 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Theresa Ton28
  2. Specialty average86

Most prescribed

  1. Amoxicillin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Theresa P. Ton among 2,402 dentist records in Virginia

Theresa P. Ton, DDS is one of 2,402 dentist records with a practice address in Virginia. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 20% of them.

  • NPI issued2007 · 20% of these records are older, 63% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 dentist records list a practice address in Chantilly

They are 15 of the 981 NPPES records with a practice address in Chantilly, and 2,402 dentist records in Virginia.

The 8 dentist records with the nearest ZIP codes

  1. Amal Ali, D.D.S.Chantilly, VA 201511558563254
  2. Jeffrey Evans, DDSChantilly, VA 201511578171633
  3. Nikhil Kalra, DDSChantilly, VA 201511295660629
  4. Jyothi Koneru, DDSChantilly, VA 201511437457371
  5. Hiep Pham, DDSChantilly, VA 201511700114741
  6. Bryant To, D.D.S.Chantilly, VA 201511285858738
  7. Mike YeoChantilly, VA 201511356534325
  8. June Yi, DDSChantilly, VA 201511154216331

Common questions

What is Theresa P. Ton, DDS's NPI number?

Theresa P. Ton, DDS's National Provider Identifier (NPI) is 1205964905, issued on Mar 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Theresa P. Ton, DDS located?

The NPPES record lists a practice address at 4080 Lafayette Center Dr, Chantilly, VA, 20151. Phone: (703) 449-8572. Providers update this record themselves, so call before visiting.

How can I verify Theresa P. Ton, DDS's license?

NPPES lists Virginia license number 0401007144, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

How much does Theresa P. Ton, DDS prescribe under Medicare Part D?

In 2024, Theresa P. Ton, DDS had 28 Medicare Part D claims for 19 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.