Danny Nguyen Thach-Song, M.D.
Family Medicine Physician · Ashburn, VA
Danny Nguyen Thach-Song, M.D. is a family medicine physician with a practice address in Ashburn, Virginia, and NPI 1235540162, issued on May 13, 2014. Check the license (Virginia 0101263083, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Danny Nguyen Thach-Song
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 0101263083 VA
MT209857 PA
Self-reported in NPPES; status is on the state search - Practice location
- 22505 Landmark CT Ste 210, Ashburn, VA 20148
- Phone
- (571) 612-6600
- Enumerated
- May 13, 2014
- Record last updated
- Jun 23, 2022
- Fax
- (571) 612-6601
- Medicare enrollment
- Enrolled (PECOS I20180131001926); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Also registered at 22505 Landmark CT Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shriprakash Trivedi, MDInternal Medicine Physician1568532596
Verify Danny Nguyen Thach-Song in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101263083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average family medicine physician in 2024
1,965 Medicare Part D claims for 246 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium215 claims
- Amlodipine Besylate113 claims
- Losartan Potassium101 claims
- Levothyroxine Sodium86 claims
- Metformin Hcl70 claims
- Lisinopril63 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.
The MIPS final score for 2023 (Medicare payment program): 93.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Inova Physician Partners LLCFalls Church, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Danny Nguyen Thach-Song among 4,137 family medicine physician records in Virginia
Danny Nguyen Thach-Song, M.D. is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2012 · median 2004 among the 2,426 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 family medicine physician records list a practice address in Ashburn
They are 32 of the 1,192 NPPES records with a practice address in Ashburn, and 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Every provider in Ashburn → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alyson ClendennyAshburn, VA 201481811681307
- Benjamin Fox, M.D.Brambleton, VA 201481316200652
- Dao Luong, MDAshburn, VA 201481801978606
- Rahib Poonawala, MDBroadlands, VA 201481578522017
- Lindsey PurcellBrambleton, VA 201481730642950
- Natasha Simmons Wyllie, MDBrambleton, VA 201481427232081
- Derek Yang, MDBrambelton, VA 201481912134321
- Mhd Alsamman, MDAshburn, VA 201471376722710
Common questions
What is Danny Nguyen Thach-Song, M.D.'s NPI number?
Danny Nguyen Thach-Song, M.D.'s National Provider Identifier (NPI) is 1235540162, issued on May 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Danny Nguyen Thach-Song, M.D. located?
The NPPES record lists a practice address at 22505 Landmark CT Ste 210, Ashburn, VA, 20148. Phone: (571) 612-6600. Providers update this record themselves, so call before visiting.
How can I verify Danny Nguyen Thach-Song, M.D.'s license?
NPPES lists Virginia license number 0101263083, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Danny Nguyen Thach-Song, M.D. prescribe under Medicare Part D?
In 2024, Danny Nguyen Thach-Song, M.D. had 1,965 Medicare Part D claims for 246 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Danny Nguyen Thach-Song, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.