NPPES file of Aug 9, 2026

Michael Andrew Casares, M.D.

Emergency Medicine Physician · Massena, NY

Michael Andrew Casares, M.D. is an emergency medicine physician with a practice address in Massena, New York, and NPI 1548366362, issued on Sep 16, 2006. Check the license (New York 234844-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1548366362
Name
Michael Andrew Casares
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
234844-1 NY
Self-reported in NPPES; status is on the state search
Practice location
1 Hospital Dr, Massena, NY 13662
Phone
(315) 769-3790
Enumerated
Sep 16, 2006
Record last updated
Jul 11, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20111121000204); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2002
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 1 Hospital Dr

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

  1. Rosanne Almasian, RDRegistered Dietitian1306087226
  2. Paul Auger, CRNACertified Registered Nurse Anesthetist1215993035
  3. Dane Brenno, CRNACertified Registered Nurse Anesthetist1861445355
  4. Denise Buffham, RD, CDE, CD/NRegistered Dietitian1134445430
  5. Mona Chapman, SLTSpeech-Language Pathologist1427478759
  6. Lyndsi Comins, NPAcute Care Nurse Practitioner1659132769

Verify Michael Andrew Casares in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 234844-1
    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 New York 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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66% fewer Medicare Part D claims than the average emergency medicine physician in 2024

76 Medicare Part D claims for 49 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Michael Casares76
  2. Specialty average226

Most prescribed

  1. Prednisone11 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.

Bills Medicare through 2 group practices

  1. Can Emergency Physicians Medical Group IncLos Angeles, CA
  2. Intercommunity Emergency Medical GroupLos Angeles, CA

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

Michael Andrew Casares among 5,025 emergency medicine physician records in New York

Michael Andrew Casares, M.D. is one of 5,025 emergency medicine physician records with a practice address in New York. 86% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 72% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2002 · median 2013 among the 3,232 with a school on file
  • Record last updated2007 · 55% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in New York

There are 5,025 emergency medicine physician records in New York.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mikhail Leykin, DOMassena, NY 136621922447598
  2. Joseph Caytak, MDOgdensburg, NY 136691962432179
  3. Ismene Maravegias, MDOgdensburg, NY 136691992751366
  4. Alex Pasquariello, MDOgdensburg, NY 136691982650792
  5. John Ritter, MDOgdensburg, NY 136691326072828
  6. Ryan Coates, DOPotsdam, NY 136761275749087
  7. Brenda Healey, M.D.Potsdam, NY 136761780612457
  8. Rosemarie Heisse, D.O.Potsdam, NY 136761124124946

Common questions

What is Michael Andrew Casares, M.D.'s NPI number?

Michael Andrew Casares, M.D.'s National Provider Identifier (NPI) is 1548366362, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Andrew Casares, M.D. located?

The NPPES record lists a practice address at 1 Hospital Dr, Massena, NY, 13662. Phone: (315) 769-3790. Providers update this record themselves, so call before visiting.

How can I verify Michael Andrew Casares, M.D.'s license?

NPPES lists New York license number 234844-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Andrew Casares, M.D. prescribe under Medicare Part D?

In 2024, Michael Andrew Casares, M.D. had 76 Medicare Part D claims for 49 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.