Registry data as of Aug 27, 2026

Leon Demers, PA

Physician Assistant · Wyandotte, MI

Leon Demers, PA is a physician assistant with a practice address in Wyandotte, Michigan, and NPI 1598700973, issued on Jun 18, 2006. Check the license (Michigan 003699, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598700973
Name
Leon Demers
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
003699 MI
Self-reported in NPPES; status is on the state search
Practice location
2333 Biddle St, Wyandotte, MI 48192
Phone
(313) 284-9400
Enumerated
Jun 18, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2333 Biddle St

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

  1. Lori Armstrong, MNTRegistered Dietitian1508923319
  2. David Barker, MDPhysical Medicine & Rehabilitation Physician1265434567
  3. Roger Bigelow, MSW, CSWClinical Social Worker1548327232
  4. Joyce Bonventre, RNRegistered Nurse1407067036
  5. Jimmy Boutin, M.D.Anesthesiology Physician1417976937
  6. Frederick Broniak, DOEmergency Medical Services (Emergency Medicine) Physician1164465621

Verify Leon Demers 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 003699
    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

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

78% fewer Medicare Part D claims than the average physician assistant in 2024

182 Medicare Part D claims for 116 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D.

  1. Leon Demers182
  2. Specialty average832

Most prescribed

  1. Prednisone66 claims
  2. Azithromycin25 claims
  3. Cephalexin20 claims
  4. 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.

Industry payments in 2024: $28.99

1 payment, mostly food and beverage; the largest payer was Sonex Health, Inc.. The 61,144 providers of this specialty with any payment received $853.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leon Demers$28.99
  2. Specialty average$853.85

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

24 physician assistant records list a Wyandotte practice address

They are 24 of the 704 NPPES records with a Wyandotte practice address, and 6,574 physician assistant records in Michigan.

Other physician assistant records in Michigan

  1. Hauraa Aalabdulrasul, PADetroit, MI1467181982
  2. Kilee Aamodt, PA-CMuskegon, MI1578964300
  3. Rasha AbbasDetroit, MI1750239505
  4. Layan Abbasi, PA-CYpsilanti, MI1043045552
  5. Veronica Abbo, PA-CRoseville, MI1659889806
  6. Stephanie Abbott, PA-CGrand Rapids, MI1386072825
  7. Samar Abboud, PA-CYpsilanti, MI1871942144
  8. Salma Abd Elhamid, PA-CTroy, MI1457245730
  9. Marriam Abdallah, PA-CDearborn, MI1720962574
  10. Sarah Abdella, PA-CAnn Arbor, MI1457719171

Common questions

What is Leon Demers, PA's NPI number?

Leon Demers, PA's National Provider Identifier (NPI) is 1598700973, issued on Jun 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leon Demers, PA located?

The NPPES record lists a practice address at 2333 Biddle St, Wyandotte, MI, 48192. Phone: (313) 284-9400. Providers update this record themselves, so call before visiting.

How can I verify Leon Demers, PA's license?

NPPES lists Michigan license number 003699, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Leon Demers, PA prescribe under Medicare Part D?

In 2024, Leon Demers, PA had 182 Medicare Part D claims for 116 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.