Michael S. Canter, M.D.
Emergency Medicine Physician · Greenwich, CT
Michael S. Canter, M.D. is an emergency medicine physician with a practice address in Greenwich, Connecticut, and NPI 1558381483, issued on Jul 21, 2006. Check the license (Connecticut 043179, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael S. Canter
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 043179 CT
220219 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 863-3632
- Enumerated
- Jul 21, 2006
- Record last updated
- Aug 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 863-3821
- Medicare enrollment
- Enrolled (PECOS I20051219000160); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Diana Adams, M.D.Maternal & Fetal Medicine Physician1255300653
- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Michael S. Canter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 043179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,016 Medicare Part D claims for 123 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Amlodipine Besylate43 claims
- Eliquis35 claims
- Clonazepam33 claims
- Gabapentin31 claims
- Potassium Chloride31 claims
- Rosuvastatin Calcium28 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): 70.2 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: $69.36
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 12,335 providers of this specialty with any payment received $953.79 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 one group practice
- Greenwich HospitalGreenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael S. Canter among 846 emergency medicine physician records in Connecticut
Michael S. Canter, M.D. is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 65% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1999 · median 2011 among the 574 with a school on file
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Connecticut
There are 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in Greenwich → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Maria Brea, M.D.Greenwich, CT 068301508809161
- J. Allen Britvan, M.DGreenwich, CT 068301376566042
- Ryan Casarella, M.D.Greenwich, CT 068301740643998
- Robert Chang, MDGreenwich, CT 068301760581672
- Christopher Davison, M.D.Greenwich, CT 068301225051857
- Servando De Los Angeles, M.D.Greenwich, CT 068301831119619
- Stacey Donegan, M.D.Greenwich, CT 068301174546709
- Shideh Imanian-Parsa, M.D.Greenwich, CT 068301124049945
Common questions
What is Michael S. Canter, M.D.'s NPI number?
Michael S. Canter, M.D.'s National Provider Identifier (NPI) is 1558381483, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Canter, M.D. located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-3632. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Canter, M.D.'s license?
NPPES lists Connecticut license number 043179, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael S. Canter, M.D. prescribe under Medicare Part D?
In 2024, Michael S. Canter, M.D. had 1,016 Medicare Part D claims for 123 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Michael S. Canter, M.D.'s MIPS final score?
The 2023 MIPS final score is 70.2 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.