Michael Bishai, MD
NPI 1942409891 · Internal Medicine Physician · Smithtown, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Bishai, MD is a Internal Medicine Physician provider in Smithtown, NY (NPI 1942409891).
Provider details
- NPI number
- 1942409891
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 244844 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,951 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 1,061 | $84 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 683 | $121 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 628 | $141 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 500 | $84 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 313 | $203 |
| Advance Care Planning, First 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 268 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,358 | 269 |
| Levothyroxine Sodium | 1,248 | 213 |
| Amlodipine Besylate | 1,057 | 183 |
| Apixabanbrand: Eliquis | 949 | 151 |
| Mirtazapine | 803 | 159 |
| Metoprolol Succinate | 763 | 153 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$170 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-12
- Last updated
- 2023-11-16
- Certified
- 2023-11-16
Frequently asked questions
- What is Michael Bishai's NPI number?
- Michael Bishai's National Provider Identifier (NPI) is 1942409891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Bishai's specialty?
- Michael Bishai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Bishai located?
- Michael Bishai's practice location on file with NPPES is 50 Route 25a, Smithtown, NY 11787-1348.
- What is Michael Bishai's phone number?
- The practice phone number listed in the NPPES registry for Michael Bishai is (516) 550-9865.
- Does Michael Bishai accept Medicare?
- Michael Bishai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Bishai's NPI active?
- Yes — Michael Bishai's NPI (1942409891) is active in the NPPES registry as of the last update on 2023-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.