Hai Nguyen, D.O.
Internal Medicine Physician · West Reading, PA
Hai Nguyen, D.O. is an internal medicine physician with a practice address in West Reading, Pennsylvania, and NPI 1598705774, issued on Jun 7, 2006. Check the license (Pennsylvania OS013245, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Hai Nguyen
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS013245 PA
Self-reported in NPPES; status is on the state search - Practice location
- 6TH Ave & Spruce St, West Reading, PA 19611
- Phone
- (610) 988-5455
- Enumerated
- Jun 7, 2006
- Record last updated
- Mar 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 101776659 PA
- Medicare enrollment
- Enrolled (PECOS I20060411000342); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 6TH Ave & Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hai Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS013245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
311 Medicare Part D claims for 171 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefpodoxime Proxetil20 claims
- Doxycycline Monohydrate19 claims
- Prednisone16 claims
- Amoxicillin-Clavulanate Potass15 claims
- Pantoprazole Sodium12 claims
- Atorvastatin Calcium11 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Tower Health Medical GroupWyomissing, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hai Nguyen among 7,300 internal medicine physician records in Pennsylvania
Hai Nguyen, D.O. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2003 · median 2008 among the 4,208 with a school on file
- Record last updated2012 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
111 internal medicine physician records list a practice address in West Reading
They are 111 of the 1,123 NPPES records with a practice address in West Reading, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in West Reading → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Walter Bohnenblust, M.D.West Reading, PA 196111053316968
- Craig Derr, M.D.W Reading, PA 196111912902578
- Anthony Donato, M.D.West Reading, PA 196111306849815
- Deepam Gokal, M.D.Reading, PA 196111902861842
- Ian Goonewardene, M.D.West Reading, PA 196111679522676
- Patrick Hart, M.D.West Reading, PA 196111245237585
- George Jenckes, M.D.West Reading, PA 196111437115615
- Sheryl Jones-Henderson, M.D.West Reading, PA 196111386605020
Common questions
What is Hai Nguyen, D.O.'s NPI number?
Hai Nguyen, D.O.'s National Provider Identifier (NPI) is 1598705774, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hai Nguyen, D.O. located?
The NPPES record lists a practice address at 6TH Ave & Spruce St, West Reading, PA, 19611. Phone: (610) 988-5455. Providers update this record themselves, so call before visiting.
How can I verify Hai Nguyen, D.O.'s license?
NPPES lists Pennsylvania license number OS013245, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hai Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Hai Nguyen, D.O. had 311 Medicare Part D claims for 171 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Hai Nguyen, D.O.'s MIPS final score?
The 2023 MIPS final score is 81.2 of 100, reported for the practice group. 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.