Registry data as of Aug 27, 2026

Michael Bishai, MD

Internal Medicine Physician · Smithtown, NY

Michael Bishai, MD is an internal medicine physician with a practice address in Smithtown, New York, and NPI 1942409891, issued on Jul 12, 2007. Check the license on the NYS Education Department, Office of the Professions; 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
1942409891
Name
Michael Bishai
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
50 Route 25A, Smithtown, NY 11787
Phone
(516) 550-9865
Enumerated
Jul 12, 2007
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 50 Route 25A

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

  1. Diana Akberzie, MDInternal Medicine Physician1053469247
  2. Marilyn AlterAdult Health Nurse Practitioner1316039530
  3. Teresa AndersonEmergency Medical Services (Emergency Medicine) Physician1336212091
  4. Oluwatosin Arubuolawe, MDStudent in an Organized Health Care Education/Training Program1154142560
  5. Jasmine Bhatia, MDAnesthesiology Physician1619282795
  6. Nicolae Bizeta, MDInfectious Disease Physician1043330962

Verify Michael Bishai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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.

10.2 times the Medicare Part D claims of the average internal medicine physician in 2024

28,532 Medicare Part D claims for 969 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 170 claims were for opioids.

  1. Michael Bishai28,532
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium1,358 claims
  2. Levothyroxine Sodium1,248 claims
  3. Amlodipine Besylate1,057 claims
  4. Eliquis949 claims
  5. Mirtazapine803 claims
  6. Metoprolol Succinate763 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 Medicare quality score for 2023: 86.5 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 score100.0
  2. Costout of 100 · 30%24.4
  3. Promoting interoperabilityout of 100 · 25%
  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).

Industry payments in 2024: $170.26

8 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Bishai$170.26
  2. Specialty average$2,536.66

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

2 hospital and facility affiliations

  1. Michael Bishai MD, LLCEast Setauket, NY
  2. Southwest Suffolk Medical PCSmithtown, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

41 internal medicine physician records list a Smithtown practice address

They are 41 of the 1,907 NPPES records with a Smithtown practice address, and 13,725 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Justin Aaron, MDNew York, NY1619243912
  5. Ahmad AbadiPoughkeepsie, NY1780258517
  6. Jamsheed Abadi, MDBrooklyn, NY1477537496
  7. Theophine Abakporo, M.D.Brooklyn, NY1972564813
  8. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  9. Charles Abate, MDOssining, NY1720180003
  10. Vyachislav Abayev, M.D.Brooklyn, NY1437394574

Common questions

What is Michael Bishai, MD's NPI number?

Michael Bishai, MD's National Provider Identifier (NPI) is 1942409891, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michael Bishai, MD located?

The NPPES record lists a practice address at 50 Route 25A, Smithtown, NY, 11787. Phone: (516) 550-9865. Providers update this record themselves, so call before visiting.

How can I verify Michael Bishai, MD's license?

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 Bishai, MD prescribe under Medicare Part D?

In 2024, Michael Bishai, MD had 28,532 Medicare Part D claims for 969 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Michael Bishai, MD's Medicare quality score?

The 2023 MIPS final score is 86.5 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), 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.