Michael Steven Kessler
Internal Medicine Physician · Derby, CT
Michael Steven Kessler is an internal medicine physician with a practice address in Derby, Connecticut, and NPI 1770672180, issued on Oct 12, 2006. Check the license (Connecticut 56746, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael Steven Kessler
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 56746 CT
219965 NY
Self-reported in NPPES; status is on the state search - Practice location
- 300 Seymour Ave Ste 102, Derby, CT 06418
- Phone
- (203) 516-5303
- Enumerated
- Oct 12, 2006
- Record last updated
- Jan 24, 2025
- Fax
- (203) 732-8136
- Medicaid ID
- 02184485 NY
- Medicare enrollment
- Enrolled (PECOS I20171017000429); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 300 Seymour Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaime Goldstein, MDObstetrics & Gynecology Physician1407938582
- Jocelyn Mendes, PA-CMedical Physician Assistant1548713621
Verify Michael Steven Kessler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 56746Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
85 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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: $198.10
6 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- CT Medical Group Inc.Orange, CT
- Docs Medical IncEast Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Steven Kessler among 2,623 internal medicine physician records in Connecticut
Michael Steven Kessler is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1997 · median 2004 among the 1,646 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 internal medicine physician records list a practice address in Derby
They are 47 of the 453 NPPES records with a practice address in Derby, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Derby → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kanwardeep Arora, MDDerby, CT 064181508026428
- Earl Baker, MDDerby, CT 064181265635148
- Frederick Browne, MDDerby, CT 064181588641955
- Seema Dsouza, M.D.Derby, CT 064181851373187
- Robert Hyde, MDDerby, CT 064181902011885
- David Katz, MDDerby, CT 064181528138435
- Gail Labadia, M.D.Derby, CT 064181649202144
- Sanjay MalhotraDerby, CT 064181497946339
Common questions
What is Michael Steven Kessler's NPI number?
Michael Steven Kessler's National Provider Identifier (NPI) is 1770672180, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Steven Kessler located?
The NPPES record lists a practice address at 300 Seymour Ave Ste 102, Derby, CT, 06418. Phone: (203) 516-5303. Providers update this record themselves, so call before visiting.
How can I verify Michael Steven Kessler's license?
NPPES lists Connecticut license number 56746, 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 Steven Kessler prescribe under Medicare Part D?
In 2024, Michael Steven Kessler had 85 Medicare Part D claims for 64 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.