NPPES file of Aug 9, 2026

Michele Ann Grossman, D.O.

Emergency Medicine Physician · Bay Shore, NY

Michele Ann Grossman, D.O. is an emergency medicine physician with a practice address in Bay Shore, New York, and NPI 1952593964, issued on Aug 14, 2007. Check the license (New York 266690, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952593964
Name
Michele Ann Grossman
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
266690 NY
OT012144 PA
Self-reported in NPPES; status is on the state search
Practice location
301 E Main St, Bay Shore, NY 11706
Phone
(631) 968-3970
Enumerated
Aug 14, 2007
Record last updated
Jan 22, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190814003459); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 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 301 E Main St

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

  1. John Abbate, PT,DPTPhysical Therapist1588201701
  2. Samer Abu DayehEmergency Medicine Physician1730882697
  3. Tracie Ackerman, ANP-C, AGACNPAdult Health Nurse Practitioner1154417848
  4. Tyler Acton, PACPhysician Assistant1528898707
  5. James Adams, RPA-CPhysician Assistant1811070105
  6. Abimbola AdebajoPrimary Care Nurse Practitioner1942684667

Verify Michele Ann Grossman 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 266690
    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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37% fewer Medicare Part D claims than the average emergency medicine physician in 2024

143 Medicare Part D claims for 96 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 13 claims were for opioids.

  1. Michele Grossman143
  2. Specialty average226

Most prescribed

  1. Azithromycin11 claims
  2. Methylprednisolone11 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Bills Medicare through one group practice

  1. First Physicians CorporationFall River, MA

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

Michele Ann Grossman among 5,025 emergency medicine physician records in New York

Michele Ann Grossman, D.O. 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 2007, is newer than 28% of them.

  • NPI issued2007 · 28% of these records are older, 65% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2007 · median 2013 among the 3,232 with a school on file
  • Record last updated2014 · 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).

37 emergency medicine physician records list a practice address in Bay Shore

They are 37 of the 1,931 NPPES records with a practice address in Bay Shore, and 5,025 emergency medicine physician records in New York.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Brian Blaustein, DOBay Shore, NY 117061346292893
  2. Howard Brown, DOBay Shore, NY 117061679528707
  3. Patricia Daly, MDBay Shore, NY 117061720176944
  4. Cesar Fortes, MDBay Shore, NY 117061205865466
  5. Ernest Freiler, MDBay Shore, NY 117061568414332
  6. Rosetta Grella, MDBay Shore, NY 117061447342399
  7. James Halfpenny, DOBay Shore, NY 117061578651493
  8. Hun Han, M.D.Bay Shore, NY 117061992856900

Common questions

What is Michele Ann Grossman, D.O.'s NPI number?

Michele Ann Grossman, D.O.'s National Provider Identifier (NPI) is 1952593964, issued on Aug 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michele Ann Grossman, D.O. located?

The NPPES record lists a practice address at 301 E Main St, Bay Shore, NY, 11706. Phone: (631) 968-3970. Providers update this record themselves, so call before visiting.

How can I verify Michele Ann Grossman, D.O.'s license?

NPPES lists New York license number 266690, 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 Michele Ann Grossman, D.O. prescribe under Medicare Part D?

In 2024, Michele Ann Grossman, D.O. had 143 Medicare Part D claims for 96 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Michele Ann Grossman, D.O.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.