Michael Kaplan, DO
NPI 1841298593 · Internal Medicine Physician · Smithtown, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Kaplan, DO is a Internal Medicine Physician provider in Smithtown, NY (NPI 1841298593).
Provider details
- NPI number
- 1841298593
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 208149 (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
20 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
3,558 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,532 | $103 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 1,443 | $28 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 397 | $145 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 174 | $190 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 12 | $252 |
Typical Medicare-allowed amounts for these services range $28–$252 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 209 | 33 |
| Metformin Hcl | 159 | 39 |
| Semaglutidebrand: Ozempic | 37 | 11 |
| Bupropion Hclbrand: Bupropion Hcl Sr | 20 | — |
| Topiramate | 19 | — |
| Atorvastatin Calcium | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$83,755 across 137 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
- 2005-07-07
- Last updated
- 2007-07-26
Frequently asked questions
- What is Michael Kaplan's NPI number?
- Michael Kaplan's National Provider Identifier (NPI) is 1841298593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Kaplan's specialty?
- Michael Kaplan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Kaplan located?
- Michael Kaplan's practice location on file with NPPES is 329 E Main St, Smithtown, NY 11787-2830.
- What is Michael Kaplan's phone number?
- The practice phone number listed in the NPPES registry for Michael Kaplan is (631) 366-2333.
- Does Michael Kaplan accept Medicare?
- Michael Kaplan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Kaplan's NPI active?
- Yes — Michael Kaplan's NPI (1841298593) is active in the NPPES registry as of the last update on 2007-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.