Theourrn Amalathasan, MD
Student in an Organized Health Care Education/Training Program · Muskegon, MI
Theourrn Amalathasan, MD is a student in an organized health care education/training program with a practice address in Muskegon, Michigan, and NPI 1689366767, issued on May 25, 2023. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theourrn Amalathasan
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 1500 E Sherman Blvd, Muskegon, MI 49444
- Phone
- (231) 672-2000
- Enumerated
- May 25, 2023
- Record last updated
- Aug 5, 2025
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 8,265 in Michigan → Look up another NPI →
Also registered at 1500 E Sherman Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Adkins, PA-CPhysician Assistant1457579849
- Irteza Afzal, MDStudent in an Organized Health Care Education/Training Program1558105296
- Robin Anderson, NPNurse Practitioner1326188004
- Nathan Arnold, DOEmergency Medicine Physician1598784167
- Kaitlyn Averill, RN, AGCNS-BCRegistered Nurse1891534392
- Ethan Bachert, MDEmergency Medicine Physician1720919376
Verify Theourrn Amalathasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
14 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Theourrn Amalathasan among 8,265 student in an organized health care education/training program records in Michigan
Theourrn Amalathasan, MD is one of 8,265 student in an organized health care education/training program records with a practice address in Michigan. 34% 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 31% of them.
- NPI issued2023 · 31% of these records are older, 57% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2025 · 18% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 student in an organized health care education/training program records list a practice address in Muskegon
They are 66 of the 2,646 NPPES records with a practice address in Muskegon, and 8,265 student in an organized health care education/training program records in Michigan.
All 8,265 in Michigan → Every provider in Muskegon → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Garrett Clement, DOMuskegon, MI 494441174273833
- Crystal Dye, M.D.Muskegon, MI 494441104560572
- Joseph El-Ghoubaira, MDMuskegon, MI 494441528811320
- Raina Garg, MBBSNorton Shores, MI 494441689128506
- Jirayu Kukiratirat, DOMuskegon, MI 494441841607256
- Matthew Luce, DOMuskegon, MI 494441396436192
- Charles Massie, DOMuskegon, MI 494441669117859
- Clare MathersMuskegon, MI 494441801598982
Common questions
What is Theourrn Amalathasan, MD's NPI number?
Theourrn Amalathasan, MD's National Provider Identifier (NPI) is 1689366767, issued on May 25, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Theourrn Amalathasan, MD located?
The NPPES record lists a practice address at 1500 E Sherman Blvd, Muskegon, MI, 49444. Phone: (231) 672-2000. Providers update this record themselves, so call before visiting.
How can I verify Theourrn Amalathasan, MD's license?
Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Theourrn Amalathasan, MD prescribe under Medicare Part D?
In 2024, Theourrn Amalathasan, MD had 14 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.