To-Vi Thach Nguyen, PA-C
Physician Assistant · Rockville, MD
To-Vi Thach Nguyen, PA-C is a physician assistant with a practice address in Rockville, Maryland, and NPI 1891484341, issued on May 2, 2023. Check the license (Maryland C0008859, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- To-Vi Thach Nguyen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C0008859 MD
Self-reported in NPPES; status is on the state search - Practice location
- 14995 Shady Grove RD Ste 350, Rockville, MD 20850
- Phone
- (301) 251-1433
- Enumerated
- May 2, 2023
- Record last updated
- May 30, 2023
- Fax
- (301) 424-5266
- Medicare enrollment
- Enrolled (PECOS I20230601000730); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 14995 Shady Grove RD Ste 350
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify To-Vi Thach Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C0008859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
229 Medicare Part D claims for 121 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 127 claims were for opioids.
Most prescribed
- Oxycodone Hcl78 claims
- Tramadol Hcl30 claims
- Celecoxib18 claims
- Diclofenac Sodium16 claims
- Meloxicam16 claims
- Ondansetron Odt13 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.
Industry payments in 2024: $52.10
2 payments; by number, the most common kind was food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Centers For Advanced Orthopaedics LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
To-Vi Thach Nguyen among 3,224 physician assistant records in Maryland
To-Vi Thach Nguyen, PA-C is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 81% of them.
- NPI issued2023 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2022 · median 2017 among the 1,974 with a school on file
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
115 physician assistant records list a practice address in Rockville
They are 115 of the 14,353 NPPES records with a practice address in Rockville, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Rockville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jason Badillo, P.A.Rockville, MD 208501396770202
- Gerald Bahimba, PA-CRockville, MD 208501760579460
- Lisa Gallucci, PA- CRockville, MD 208501548289986
- Marchele HillsRockville, MD 208501588692560
- Michele Kossey, PA-CRockville, MD 208501710907076
- Sippora Lehrhaupt, P.A.-CRockville, MD 208501720262009
- Katherine Mathias, PARockville, MD 208501881688257
- Michael NoganRockville, MD 208501417972910
Common questions
What is To-Vi Thach Nguyen, PA-C's NPI number?
To-Vi Thach Nguyen, PA-C's National Provider Identifier (NPI) is 1891484341, issued on May 2, 2023. An NPI identifies a provider in billing; it is not a license.
Where is To-Vi Thach Nguyen, PA-C located?
The NPPES record lists a practice address at 14995 Shady Grove RD Ste 350, Rockville, MD, 20850. Phone: (301) 251-1433. Providers update this record themselves, so call before visiting.
How can I verify To-Vi Thach Nguyen, PA-C's license?
NPPES lists Maryland license number C0008859, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does To-Vi Thach Nguyen, PA-C prescribe under Medicare Part D?
In 2024, To-Vi Thach Nguyen, PA-C had 229 Medicare Part D claims for 121 beneficiaries; the average among physician assistant prescribers was 830. 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.