Michael Duben, M.D.
NPI 1972523959 · Endocrinology, Diabetes & Metabolism Physician · Fairfield, CT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Duben, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Fairfield, CT (NPI 1972523959).
Provider details
- NPI number
- 1972523959
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 41464 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
689 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 233 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 199 | $132 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 71 | $3 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 60 | $15 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 52 | $117 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 259 | 61 |
| Levothyroxine Sodiumbrand: Synthroid | 233 | 56 |
| Dapagliflozin Propanediolbrand: Farxiga | 142 | 30 |
| Alendronate Sodium | 141 | 40 |
| Empagliflozin/Linagliptinbrand: Glyxambi | 128 | 23 |
| Glimepiride | 122 | 28 |
| Denosumab |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$594 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2016-09-22
Frequently asked questions
- What is Michael Duben's NPI number?
- Michael Duben's National Provider Identifier (NPI) is 1972523959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Duben's specialty?
- Michael Duben is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Duben located?
- Michael Duben's practice location on file with NPPES is 134 Round Hill Rd, Fairfield, CT 06824-5166.
- What is Michael Duben's phone number?
- The practice phone number listed in the NPPES registry for Michael Duben is (203) 872-4560.
- Does Michael Duben accept Medicare?
- Michael Duben is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Duben's NPI active?
- Yes — Michael Duben's NPI (1972523959) is active in the NPPES registry as of the last update on 2016-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.