NPPES file of Aug 9, 2026

Paul Alex Mazaris, MD

Neurological Surgery Physician · Grand Rapids, MI

Paul Alex Mazaris, MD is a neurological surgery physician with a practice address in Grand Rapids, Michigan, and NPI 1386841187, issued on Jun 27, 2007. Check the license (Michigan 4301090301, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1386841187
Name
Paul Alex Mazaris
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
4301090301 MI
052805 CT
Self-reported in NPPES; status is on the state search
Practice location
275 Michigan St NE, Grand Rapids, MI 49503
Phone
(616) 267-7900
Enumerated
Jun 27, 2007
Record last updated
Dec 10, 2024
Fax
(616) 267-7901
Medicare enrollment
Enrolled (PECOS I20160627002560); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2007
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 275 Michigan St NE

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

  1. Shan Abbas, M.D.Epilepsy Physician1730362674
  2. Esam Abobaker, DONeurology Physician1225770639
  3. Asad Ahrar, MDVascular Neurology Physician1861919722
  4. Shruti Anand, MDGeriatric Medicine (Internal Medicine) Physician1063908416
  5. Mara Arnett, PA-CPhysician Assistant1841692001
  6. Charles Asbury, D.O.Epilepsy Physician1114378692

Verify Paul Alex Mazaris in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301090301
    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
Open the Michigan license search

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85% fewer Medicare Part D claims than the average neurological surgery physician in 2024

25 Medicare Part D claims for 17 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D.

  1. Paul Mazaris25
  2. Specialty average172

Most prescribed

  1. Clopidogrel15 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).

Industry payments in 2024: $18,315.75

57 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Paul Mazaris$18,316
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Spectrum Health Primary Care PartnersGrand Rapids, MI

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

Neurological Surgery Physician providers in Michigan

There are 289 neurological surgery physician records in Michigan.

Other neurological surgery physician records in Michigan

  1. Christopher Abood, M.D.East Lansing, MI1639122476
  2. Mohamed AbouelleilGrand Rapids, MI1316408305
  3. Joseph Adel, M.D.Saginaw, MI1689830192
  4. Ellen Air, MD, PHDDetroit, MI1881805174
  5. Fadi Al Daoud, M.DDetroit, MI1487903910
  6. Abdullah Al-Arfaj, MDJackson, MI1780384875
  7. Wajd Al-Holou, M.D.Detroit, MI1821225145
  8. Hepzibha Alexander, MDSouthfield, MI1164046660
  9. Atya Alfllouse, MDFlint, MI1245018720
  10. Mohammed Alsaidi, M.DDearborn, MI1598932964

Common questions

What is Paul Alex Mazaris, MD's NPI number?

Paul Alex Mazaris, MD's National Provider Identifier (NPI) is 1386841187, issued on Jun 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Paul Alex Mazaris, MD located?

The NPPES record lists a practice address at 275 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 267-7900. Providers update this record themselves, so call before visiting.

How can I verify Paul Alex Mazaris, MD's license?

NPPES lists Michigan license number 4301090301, 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 Paul Alex Mazaris, MD prescribe under Medicare Part D?

In 2024, Paul Alex Mazaris, MD had 25 Medicare Part D claims for 17 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is Paul Alex Mazaris, MD'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.