NPPES file of Aug 9, 2026

Alexis M. Izumi, P.A.

Medical Physician Assistant · Watervliet, MI

Alexis M. Izumi, P.A. is a medical physician assistant with a practice address in Watervliet, Michigan, and NPI 1831401181, issued on Jul 1, 2010. Check the license (Michigan 5601007177, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831401181
Name
Alexis M. Izumi
Credential
P.A.
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
5601007177 MI
Self-reported in NPPES; status is on the state search
Practice location
400 Medical Park Dr, Watervliet, MI 49098
Phone
(694) 632-2422
Enumerated
Jul 1, 2010
Record last updated
Nov 8, 2023
Medicare enrollment
Enrolled (PECOS I20150109000940); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 400 Medical Park Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Charlene Baumgartner, P.A.Physician Assistant1861466005
  2. Michelle BendewaldPhysical Therapist1982173217
  3. Sabina Bett, NPFamily Nurse Practitioner1508503376
  4. Deborah Breen, PAPhysician Assistant1801812789
  5. Chul Chang, M.D.Specialist1194760157
  6. Denise Frazee, M.A., CCC-SLPSpeech-Language Pathologist1730643644

Verify Alexis M. Izumi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 5601007177
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

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81% fewer Medicare Part D claims than the average medical physician assistant in 2024

221 Medicare Part D claims for 54 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Alexis Izumi221
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium24 claims
  2. Lisinopril15 claims
  3. Furosemide14 claims
  4. Gabapentin11 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 MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Lakeland Community Hospital WatervlietSaint Joseph, MI
  2. Lakeland Hospitals AT Niles And St Joseph IncSaint Joseph, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexis M. Izumi among 1,140 medical physician assistant records in Michigan

Alexis M. Izumi, P.A. is one of 1,140 medical physician assistant records with a practice address in Michigan. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 49% of them.

  • NPI issued2010 · 49% of these records are older, 47% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2010 · median 2012 among the 613 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 medical physician assistant record lists a practice address in Watervliet

They are 1 of the 41 NPPES records with a practice address in Watervliet, and 1,140 medical physician assistant records in Michigan.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Heidi Alexander, PA-CThree Rivers, MI 490931265413520
  2. Steven Cowing, PA-CThree Rivers, MI 490931912946104
  3. Jeniece Wert, PA-CTekonsha, MI 490921659919702
  4. Susan Knafel, P.A.-CBridgman, MI 491061942376348
  5. Donald Salmon, PA CSouth Haven, MI 490901003832908
  6. David Chalupa, P.A.-C.Saint Joseph, MI 490851063635035
  7. William Makovic, PASaint Joseph, MI 490851295747525
  8. Eugene Preston, PA-CSaint Joseph, MI 490851134225550

Common questions

What is Alexis M. Izumi, P.A.'s NPI number?

Alexis M. Izumi, P.A.'s National Provider Identifier (NPI) is 1831401181, issued on Jul 1, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Alexis M. Izumi, P.A. located?

The NPPES record lists a practice address at 400 Medical Park Dr, Watervliet, MI, 49098. Phone: (694) 632-2422. Providers update this record themselves, so call before visiting.

How can I verify Alexis M. Izumi, P.A.'s license?

NPPES lists Michigan license number 5601007177, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Alexis M. Izumi, P.A. prescribe under Medicare Part D?

In 2024, Alexis M. Izumi, P.A. had 221 Medicare Part D claims for 54 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Alexis M. Izumi, P.A.'s MIPS final score?

The 2023 MIPS final score is 100 of 100. 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.