Michael Happes, MD
NPI 1801030762 · Specialist · Smithtown, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Happes, MD is a Specialist provider in Smithtown, NY (NPI 1801030762).
Provider details
- NPI number
- 1801030762
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,138 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) |
|---|---|---|
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 1,047 | $224 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 493 | $148 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 439 | $17 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 351 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 199 | $202 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 204 | 89 |
| Metoprolol Succinate | 189 | 81 |
| Amlodipine Besylate | 85 | 36 |
| Lisinopril | 81 | 39 |
| Losartan Potassium | 69 | 27 |
| Rosuvastatin Calcium | 61 | 30 |
| Furosemide | 60 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,079 across 84 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
- 2009-04-22
- Last updated
- 2016-03-16
Frequently asked questions
- What is Michael Happes's NPI number?
- Michael Happes's National Provider Identifier (NPI) is 1801030762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Happes's specialty?
- Michael Happes is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Michael Happes located?
- Michael Happes's practice location on file with NPPES is 260 Middle Country Rd., Smithtown, NY 11787-2925.
- What is Michael Happes's phone number?
- The practice phone number listed in the NPPES registry for Michael Happes is (631) 265-5050.
- Does Michael Happes accept Medicare?
- Michael Happes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Happes's NPI active?
- Yes — Michael Happes's NPI (1801030762) is active in the NPPES registry as of the last update on 2016-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.