NPPES file of Aug 9, 2026

Gary Michael Szymanski, M.D.

Emergency Medicine Physician · Warren, MI

Gary Michael Szymanski, M.D. is an emergency medicine physician with a practice address in Warren, Michigan, and NPI 1376622563, issued on Nov 6, 2006. Check the license (Michigan GS058341, 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
1376622563
Name
Gary Michael Szymanski
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
GS058341 MI
Self-reported in NPPES; status is on the state search
Practice location
11800 E 12 Mile RD, Warren, MI 48093
Phone
(586) 573-5059
Enumerated
Nov 6, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20051206000991); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1991
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 11800 E 12 Mile RD

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

  1. Maya Abdoullahi, PA-CPhysician Assistant1477416683
  2. Isaac AbulatanStudent in an Organized Health Care Education/Training Program1881441103
  3. Charles Adams, DOStudent in an Organized Health Care Education/Training Program1689422040
  4. Zachary Adkins, MDSurgery Physician1821671835
  5. Jannate AhmedStudent in an Organized Health Care Education/Training Program1811834492
  6. Elizabeth Ajlouni, M.D.Therapeutic Radiology Physician1720304918

Verify Gary Michael Szymanski 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 GS058341
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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41% more Medicare Part D claims than the average emergency medicine physician in 2024

318 Medicare Part D claims for 256 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Gary Szymanski318
  2. Specialty average226

Most prescribed

  1. Naproxen46 claims
  2. Prednisone29 claims
  3. Cephalexin27 claims
  4. Clindamycin Hcl25 claims
  5. Hydrocodone-Acetaminophen18 claims
  6. Amoxicillin-Clavulanate Potass15 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): 77.3 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.

  1. Qualityout of 100 · 30% of the final score82.2
  2. Costout of 100 · 30%42.0
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Iha Health Services CorporationAnn Arbor, MI

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

Gary Michael Szymanski among 3,083 emergency medicine physician records in Michigan

Gary Michael Szymanski, M.D. 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 77% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1991 · median 2013 among the 1,931 with a school on file
  • Record last updated2007 · 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).

31 emergency medicine physician records list a practice address in Warren

They are 31 of the 2,799 NPPES records with a practice address in Warren, and 3,083 emergency medicine physician records in Michigan.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Amanda Aquino-Almacen, M.D.Warren, MI 480931376906180
  2. Gurtejbir BilkhuWarren, MI 480931689102535
  3. Micheal Buggia, M.D.Warren, MI 480931003100314
  4. Maureen Dailey, DOWarren, MI 480931205840782
  5. Bradley Gutierrez, DOWarren, MI 480931528074416
  6. Domian Kandah, D.O.Warren, MI 480931013954585
  7. Michael Kobernick, MDWarren, MI 480931659305076
  8. Ilya Kott, M.D.Warren, MI 480931285870360

Common questions

What is Gary Michael Szymanski, M.D.'s NPI number?

Gary Michael Szymanski, M.D.'s National Provider Identifier (NPI) is 1376622563, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Michael Szymanski, M.D. located?

The NPPES record lists a practice address at 11800 E 12 Mile RD, Warren, MI, 48093. Phone: (586) 573-5059. Providers update this record themselves, so call before visiting.

How can I verify Gary Michael Szymanski, M.D.'s license?

NPPES lists Michigan license number GS058341, 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 Gary Michael Szymanski, M.D. prescribe under Medicare Part D?

In 2024, Gary Michael Szymanski, M.D. had 318 Medicare Part D claims for 256 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Gary Michael Szymanski, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.3 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.