Michael Duben, M.D.
Endocrinology, Diabetes & Metabolism Physician · Fairfield, CT
Michael Duben, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Fairfield, Connecticut, and NPI 1972523959, issued on Jul 20, 2006. Check the license (Connecticut 41464, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael Duben
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 41464 CT
Self-reported in NPPES; status is on the state search - Practice location
- 134 Round Hill RD, Fairfield, CT 06824
- Phone
- (203) 872-4560
- Enumerated
- Jul 20, 2006
- Record last updated
- Sep 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131010000877); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Also registered at 134 Round Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Slava Kulakov, MDInternal Medicine Physician1073524104
- Edward Molloy, MDInternal Medicine Physician1134130263
Verify Michael Duben in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 41464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,065 Medicare Part D claims for 355 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Levothyroxine Sodium259 claims
- Synthroid233 claims
- Farxiga142 claims
- Alendronate Sodium141 claims
- Glyxambi128 claims
- Glimepiride122 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: $594.17
17 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Michael Duben among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Michael Duben, M.D. is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1997 · median 2004 among the 145 with a school on file
- Record last updated2016 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.
All 214 in Connecticut → Every provider in Fairfield → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Anda Gonciulea, M.DFairfield, CT 068241225357056
- John Machledt, MDFairfield, CT 068241154429413
- Lakshmi MahaliFairfield, CT 068241265973515
- Lawrence Debellis, DO, MSDarien, CT 068201073177846
- Mary Arden-Cordone, M.D.,Greenwich, CT 068301649318585
- Shelly Im, MDGreenwich, CT 068301740496470
- Ranee Angeli Lleva, M.D.Greenwich, CT 068301578709143
- Yi-Hao Yu, M.D., PH.D.Greenwich, CT 068301306914957
Common questions
What is Michael Duben, M.D.'s NPI number?
Michael Duben, M.D.'s National Provider Identifier (NPI) is 1972523959, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Duben, M.D. located?
The NPPES record lists a practice address at 134 Round Hill RD, Fairfield, CT, 06824. Phone: (203) 872-4560. Providers update this record themselves, so call before visiting.
How can I verify Michael Duben, M.D.'s license?
NPPES lists Connecticut license number 41464, 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 Duben, M.D. prescribe under Medicare Part D?
In 2024, Michael Duben, M.D. had 3,065 Medicare Part D claims for 355 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.