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 (New York 244844, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michael Bishai
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 244844 NY
Self-reported in NPPES; status is on the state search - Practice location
- 50 Route 25A, Smithtown, NY 11787
- Phone
- (516) 550-9865
- Enumerated
- Jul 12, 2007
- Record last updated
- Nov 16, 2023
- Fax
- (914) 810-1012
- Medicaid ID
- 02909786 NY
- Medicare enrollment
- Enrolled (PECOS I20071119000004); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 50 Route 25A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Bishai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 244844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.0 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 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 170 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,358 claims
- Levothyroxine Sodium1,248 claims
- Amlodipine Besylate1,057 claims
- Eliquis949 claims
- Mirtazapine803 claims
- 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 MIPS final score for 2023 (Medicare payment program): 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.
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; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Michael Bishai MD, LLCEast Setauket, NY
- Southwest Suffolk Medical PCSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Bishai among 12,067 internal medicine physician records in New York
Michael Bishai, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2002 among the 7,221 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Smithtown
They are 36 of the 1,907 NPPES records with a practice address in Smithtown, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Smithtown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michele Becker-Hamou, MDSmithtown, NY 117871700843067
- Deborah Blenner, M.D.Smithtown, NY 117871366497927
- Dara Brener, MDSmithtown, NY 117871750362695
- Paul Caiati, MDSmithtown, NY 117871063407898
- Joseph Calandrino, M.D.Smithtown, NY 117871962400796
- Neena Chaudhari, M.D.Smithtown, NY 117871811932890
- Vasilios Kalonaros, M.D.Smithtown, NY 117871376501296
- Michael Kaplan, DOSmithtown, NY 117871841298593
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?
NPPES lists New York license number 244844, 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 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 3,176. Part D covers Medicare prescriptions only.
What is Michael Bishai, MD's MIPS final 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), 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.