Thomas Ryu Maehara
Emergency Medicine Physician · Kalamazoo, MI
Thomas Ryu Maehara is an emergency medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1629571666, issued on Mar 15, 2018. Check the license (Michigan 5151014596, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Thomas Ryu Maehara
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 5151014596 MI
OP61426742 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Oakland Dr, Kalamazoo, MI 49008
- Phone
- (269) 337-4400
- Enumerated
- Mar 15, 2018
- Record last updated
- Jul 19, 2023
- Medicare enrollment
- Enrolled (PECOS I20230803000785); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1000 Oakland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Asjad Abbas, MDStudent in an Organized Health Care Education/Training Program1700707031
- Syed Muhammad Abbas, MDStudent in an Organized Health Care Education/Training Program1093697260
- Saja AbdelhadiStudent in an Organized Health Care Education/Training Program1003654070
- Peter Abdou, MEDICAL STUDENT (MD)Student in an Organized Health Care Education/Training Program1578243721
- Ramsha Abdul Qadir, MDStudent in an Organized Health Care Education/Training Program1972493583
- Melinda Abernethy, M.D.Reproductive Endocrinology Physician1427254226
Verify Thomas Ryu Maehara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5151014596Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average emergency medicine physician in 2024
325 Medicare Part D claims for 205 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 36 claims were for opioids.
Most prescribed
- Cephalexin45 claims
- Ondansetron Odt37 claims
- Oxycodone Hcl29 claims
- Prednisone23 claims
- Amoxicillin-Clavulanate Potass21 claims
- Azithromycin19 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): 89.6 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
- Cep America LLCLongview, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Ryu Maehara among 3,083 emergency medicine physician records in Michigan
Thomas Ryu Maehara is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 69% of them.
- NPI issued2018 · 69% of these records are older, 26% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2013 among the 1,931 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 emergency medicine physician records list a practice address in Kalamazoo
They are 154 of the 6,553 NPPES records with a practice address in Kalamazoo, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Kalamazoo → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Beth Armstrong, M.D.Kalamazoo, MI 490081114984127
- Brenda Becker, MDKalamazoo, MI 490081679774244
- Brigitte Bigelow, MDKalamazoo, MI 490081780885368
- Scott Cline, M.D.Kalamazoo, MI 490081295886802
- William Fales, M.D.Kalamazoo, MI 490081063473114
- Lisa Forrest, MDKalamazoo, MI 490081821051822
- Marc Headapohl, M.D.Kalamazoo, MI 490081033158159
- Nathaniel Johnson, MDKalamazoo, MI 490081295937720
Common questions
What is Thomas Ryu Maehara's NPI number?
Thomas Ryu Maehara's National Provider Identifier (NPI) is 1629571666, issued on Mar 15, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Ryu Maehara located?
The NPPES record lists a practice address at 1000 Oakland Dr, Kalamazoo, MI, 49008. Phone: (269) 337-4400. Providers update this record themselves, so call before visiting.
How can I verify Thomas Ryu Maehara's license?
NPPES lists Michigan license number 5151014596, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Ryu Maehara prescribe under Medicare Part D?
In 2024, Thomas Ryu Maehara had 325 Medicare Part D claims for 205 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Thomas Ryu Maehara's MIPS final score?
The 2023 MIPS final score is 89.6 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.