Hong-Diem Thi Nguyen, PA-C
Physician Assistant · Pittsburgh, PA
Hong-Diem Thi Nguyen, PA-C is a physician assistant with a practice address in Pittsburgh, Pennsylvania, and NPI 1003108176, issued on May 9, 2011. Check the license (Pennsylvania MA054643, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hong-Diem Thi Nguyen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA054643 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4 Allegheny Ctr FL 8, Pittsburgh, PA 15212
- Phone
- (412) 330-4000
- Enumerated
- May 9, 2011
- Record last updated
- Mar 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20111214000735); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 4 Allegheny Ctr FL 8
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hong-Diem Thi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA054643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average physician assistant in 2024
124 Medicare Part D claims for 33 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Venlafaxine Hcl Er13 claims
- Aripiprazole11 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: $1,500.85
24 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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
- Jefferson Regional Medical CenterJefferson Hills, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hong-Diem Thi Nguyen among 8,020 physician assistant records in Pennsylvania
Hong-Diem Thi Nguyen, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 27% of them.
- NPI issued2011 · 27% of these records are older, 69% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2010 · median 2018 among the 5,313 with a school on file
- Record last updated2023 · 42% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
911 physician assistant records list a practice address in Pittsburgh
They are 911 of the 28,866 NPPES records with a practice address in Pittsburgh, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Pittsburgh → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Margaret Alexander, PA-CPittsburgh, PA 152121336274687
- Amy Best, PA-CPittsburgh, PA 152121215009493
- Rebecca Bowman, PA-CPittsburgh, PA 152121356381560
- Bernadette Chasler, PA-CPittsburgh, PA 152121528016599
- Nina Gram Humphrey, PA-C, MPAPittsburgh, PA 152121710955372
- David Gross, PA-CPittsburgh, PA 152121245279959
- Jason Homer, PA-CPittsburgh, PA 152121811024607
- Kristin Novic, PA-CPittsburgh, PA 152121114141777
Common questions
What is Hong-Diem Thi Nguyen, PA-C's NPI number?
Hong-Diem Thi Nguyen, PA-C's National Provider Identifier (NPI) is 1003108176, issued on May 9, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Hong-Diem Thi Nguyen, PA-C located?
The NPPES record lists a practice address at 4 Allegheny Ctr FL 8, Pittsburgh, PA, 15212. Phone: (412) 330-4000. Providers update this record themselves, so call before visiting.
How can I verify Hong-Diem Thi Nguyen, PA-C's license?
NPPES lists Pennsylvania license number MA054643, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Hong-Diem Thi Nguyen, PA-C prescribe under Medicare Part D?
In 2024, Hong-Diem Thi Nguyen, PA-C had 124 Medicare Part D claims for 33 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.