Kristi Nguyen, DO
Internal Medicine Physician · Easton, PA
Kristi Nguyen, DO is an internal medicine physician with a practice address in Easton, Pennsylvania, and NPI 1578187936, issued on Jun 2, 2020. Check the license (Pennsylvania OS025285, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Kristi Nguyen
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS025285 PA
Self-reported in NPPES; status is on the state search - Practice location
- 400 S Greenwood Ave, Easton, PA 18045
- Phone
- (484) 822-5205
- Enumerated
- Jun 2, 2020
- Record last updated
- Oct 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20251025000515); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2020
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 400 S Greenwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kristi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS025285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
402 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium29 claims
- Eliquis23 claims
- Metoprolol Succinate22 claims
- Amlodipine Besylate19 claims
- Simvastatin17 claims
- Escitalopram Oxalate14 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.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristi Nguyen among 7,300 internal medicine physician records in Pennsylvania
Kristi Nguyen, DO 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 2020, is newer than 77% of them.
- NPI issued2020 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2020 · median 2008 among the 4,208 with a school on file
- Record last updated2025 · 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).
104 internal medicine physician records list a practice address in Easton
They are 104 of the 1,535 NPPES records with a practice address in Easton, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Easton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Amoroso, M.D.Easton, PA 180451144222555
- Mark Auerbach, MDEaston, PA 180451811999220
- Suzette Barreto, MDEaston, PA 180451285617217
- Maria Figueras, MDEaston, PA 180451942408190
- Pramila Gupta, M.D.Easton, PA 180451023010469
- Harvey Hakim, M.D.Easton, PA 180451740282169
- Mark Koshar, M.D.Easton, PA 180451538161963
- Vikin Lalan, M.D.Easton, PA 180451750693834
Common questions
What is Kristi Nguyen, DO's NPI number?
Kristi Nguyen, DO's National Provider Identifier (NPI) is 1578187936, issued on Jun 2, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Kristi Nguyen, DO located?
The NPPES record lists a practice address at 400 S Greenwood Ave, Easton, PA, 18045. Phone: (484) 822-5205. Providers update this record themselves, so call before visiting.
How can I verify Kristi Nguyen, DO's license?
NPPES lists Pennsylvania license number OS025285, 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 Kristi Nguyen, DO prescribe under Medicare Part D?
In 2024, Kristi Nguyen, DO had 402 Medicare Part D claims for 64 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.