Dr. Michael Duben, MD
- Medicare services, 2024
- 2,789
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 3,065
- Hospital affiliations
- 2
- Industry payments
- $40,225
- Practice address
- 346 Stanwich Rd, Greenwich, CT 06830
- Practice phone
- Call (203) 872-4560
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endocrinology of Fairfield County
Greenwich, Connecticut
Find Dr. Duben's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Duben is an endocrinologist in Greenwich, Connecticut
Dr. Duben practices at Endocrinology of Fairfield County in Greenwich, Connecticut.
Dr. Duben's NPI, 1972523959, was assigned on July 20, 2006. Dr. Duben graduated from Icahn School Of Medicine At Mount Sinai in 1997. Dr. Duben holds Connecticut license 41464.
- NPI
- 1972523959NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688616576
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 872-4560
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Duben practices at Endocrinology of Fairfield County in Greenwich, Connecticut
Dr. Duben's primary practice is Endocrinology of Fairfield County, at 346 Stanwich Rd, Greenwich, CT 06830 in Western Ct County. The practice phone is (203) 872-4560.
- Endocrinology of Fairfield County346 Stanwich Rd, Greenwich, CT 06830 · Western Ct CountyPhone(203) 872-4560
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Duben is affiliated with 5 sites of care
Dr. Duben's primary practice is Endocrinology of Fairfield County in Greenwich, Connecticut. Dr. Duben is also affiliated with Bridgeport Hospital. Dmand AI also links Dr. Duben to 1 more hospital and 2 physician offices, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Duben's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duben practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endocrinology of Fairfield County | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Duben is one of 188 endocrinologists in Connecticut
Endocrinology, diabetes and metabolism is Dr. Duben's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Duben is licensed in Connecticut.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, ConnecticutPrimary
Endocrinologists near Dr. Duben
Counts of endocrinologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Duben billed Medicare for 2,789 services in 2024
CMS data shows 2,789 Medicare services from Dr. Duben across 9 procedure codes in 2024, for 216 Medicare patients. Medicare paid $91,793 for them. Every service was in an office.
Dr. Duben's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,5602024: 2,10035%
- Office and hospital visits
- 2023: 4712024: 5067%
- Lab and pathology
- 2023: 762024: 717%
- Tests and treatments
- 2023: 572024: 605%
- Imaging
- 2023: 602024: 5213%
Dr. Duben compared with the Connecticut median for endocrinologists, 2024
- Dr. Duben
- Connecticut median
- Medicare services
- 2,789vs 4576.1 times
- Medicare patients
- 216vs 213Close to median
- Part D claims
- 2,790vs 1,3272.1 times
Medians across 179 endocrinologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Duben's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duben and other endocrinologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Duben treated 216 Medicare patients in 2024, average age 75
CMS counts 216 Medicare patients who saw Dr. Duben in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Duben's median patient age at 61, with 70% women.
Dr. Duben's Medicare patients by age, 2024
Dr. Duben's Medicare patients by sex, 2024
- Women14467%
- Men7233%
Chronic conditions among Dr. Duben's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Osteoporosis44%
- Diabetes43%
- Anxiety24%
- Ischemic heart disease24%
- Cancer23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duben's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women70%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Duben wrote 3,065 Medicare Part D claims in 2024
In 2024, Dr. Duben wrote 3,065 Medicare Part D claims for 355 patients. 44% of them were for generic drugs. CMS names the drug for 2,790 of them, across 50 drugs with 11 or more claims each, at $1,223,922 in total drug cost. In 2023, CMS named 2,719 claims across 49 drugs.
Dr. Duben's Part D claims by kind of drug, 2024
- Generic1,336 claims44%
- Brand-name1,589 claims52%
- Other140 claims5%
Dr. Duben's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,7192024: 2,7903%
Drugs named by CMS: 50 in 2024, 49 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Michael Duben offers telehealth to Medicare patients
Dr. Duben accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Duben as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael Duben received $40,225 in industry payments from 2016 to 2025
CMS Open Payments shows 316 general payments to Dr. Duben from 35 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 58% of the total. Sanofi and Genzyme US Companies paid the most, $28,020.
General payments to Dr. Duben by program year, 2016 to 2025
General payments to Dr. Duben by kind, 2016 to 2025
- Speaker and faculty fees$23,40858%
- Food and beverage$8,47221%
- Consulting fees$4,55011%
- Travel and lodging$3,7879%
- Education$80%
Companies that paid Dr. Duben the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Duben graduated from Icahn School Of Medicine At Mount Sinai
Dr. Duben graduated from Icahn School Of Medicine At Mount Sinai in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Duben's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Duben
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Duben's NPI number?
Dr. Michael Duben's NPI number is 1972523959. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Duben?
Dr. Michael Duben is an endocrinologist in Greenwich, Connecticut. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Michael Duben practice?
Dr. Duben practices at 346 Stanwich Rd, Greenwich, CT 06830. Dr. Duben's primary practice is Endocrinology of Fairfield County in Greenwich, Connecticut. Dmand AI also links Dr. Duben to 1 hospital and 2 physician offices.
What is Dr. Michael Duben's office phone number?
The practice phone on file for Dr. Duben is (203) 872-4560.
What is Dr. Michael Duben's medical license number?
Dr. Duben holds Connecticut license 41464.
Which hospitals is Dr. Michael Duben affiliated with?
Dr. Duben is affiliated with Bridgeport Hospital. Dmand AI links Dr. Duben to 1 more hospital.
Does Dr. Michael Duben accept Medicare?
Yes. CMS data shows Dr. Duben billed Medicare for 2,789 services in 2024, and Dr. Duben accepts Medicare assignment.
Does Dr. Michael Duben offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Duben as offering telehealth services.
How many Medicare patients does Dr. Michael Duben see?
CMS counts 216 Medicare patients who saw Dr. Duben in 2024, with an average age of 75.
What services does Dr. Michael Duben bill to Medicare?
In 2024, Dr. Duben's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99213) and office visit, established patient (99214).
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Where did Dr. Michael Duben go to medical school?
Dr. Duben graduated from Icahn School Of Medicine At Mount Sinai in 1997.
What drugs does Dr. Michael Duben prescribe most?
In 2024 Medicare Part D data, Dr. Duben's most prescribed drugs by claims were Levothyroxine Sodium, Synthroid and Farxiga.
Has Dr. Michael Duben received payments from drug or device companies?
CMS Open Payments shows $40,225 in general payments to Dr. Duben from 35 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Michael Duben been practicing?
Dr. Duben graduated from medical school in 1997, 29 years ago.
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