Michael C. Happes, MD
Specialist · Smithtown, NY
Michael C. Happes, MD is a specialist with a practice address in Smithtown, New York, and NPI 1801030762, issued on Apr 22, 2009. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael C. Happes
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 260 Middle Country RD., Smithtown, NY 11787
- Phone
- (631) 265-5050
- Enumerated
- Apr 22, 2009
- Record last updated
- Mar 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (631) 265-3304
- Medicare enrollment
- Enrolled (PECOS I20160621000365); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2009
- Entity
- Type 1 · individual
8 nearest specialist records → All 22,636 in New York → Look up another NPI →
Also registered at 260 Middle Country RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Loretta George, F.N.PFamily Nurse Practitioner1669781068
- David Gidseg, M.D.Specialist1225299712
Verify Michael C. Happes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average specialist in 2024
1,348 Medicare Part D claims for 289 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Atorvastatin Calcium204 claims
- Metoprolol Succinate189 claims
- Amlodipine Besylate85 claims
- Lisinopril81 claims
- Losartan Potassium69 claims
- Rosuvastatin Calcium61 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.
Industry payments in 2024: $12,078.89
84 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,844 providers of this specialty with any payment received $4,760.79 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
- Cardiac Ekg Interpretation, P. C.West Islip, NY
- Chs Physician Partners PCRoslyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael C. Happes among 22,636 specialist records in New York
Michael C. Happes, MD is one of 22,636 specialist records with a practice address in New York. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 12% of them.
- NPI issued2009 · 12% of these records are older, 87% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated2009 · median 1990 among the 943 with a school on file
- Record last updated2016 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 specialist records list a practice address in Smithtown
They are 68 of the 1,907 NPPES records with a practice address in Smithtown, and 22,636 specialist records in New York.
All 22,636 in New York → Every provider in Smithtown → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Seymour Alter, M.D.Smithtown, NY 117871750336251
- Gregory Beach, PTSmithtown, NY 117871568493260
- Eileen Bishop, M.D.Smithtown, NY 117871356349708
- David Dagate, M.D.Smithtown, NY 117871790784395
- Ezra Deutsch, M.D.Smithtown, NY 117871356349716
- David Farr, M.D.Smithtown, NY 117871407854912
- Gary Foster, PTSmithtown, NY 117871386675080
- Alan Kaell, M.D.Smithtown, NY 117871962498907
Common questions
What is Michael C. Happes, MD's NPI number?
Michael C. Happes, MD's National Provider Identifier (NPI) is 1801030762, issued on Apr 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michael C. Happes, MD located?
The NPPES record lists a practice address at 260 Middle Country RD., Smithtown, NY, 11787. Phone: (631) 265-5050. Providers update this record themselves, so call before visiting.
How can I verify Michael C. Happes, MD's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Michael C. Happes, MD prescribe under Medicare Part D?
In 2024, Michael C. Happes, MD had 1,348 Medicare Part D claims for 289 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
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.