Adam B. Mayerson, M.D.
NPI 1457451015ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· New Haven, CT
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in New Haven, Connecticut, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $3,305,587 for 6,789 claims, against $119,934 paid for services in 2024. Corcept Therapeutics was the largest of 2 companies reporting payments in 2025, $2,580 in all, mostly speaking and faculty fees.
Overview
| NPI | 1457451015 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 24, 2006 |
| Last updated in NPPES | Nov 12, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 037597 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 521 |
|---|---|
| Services billed | 3,517 across 24 procedure codes |
| Paid by Medicare | $119,934 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,789 · 17,151 30-day fills |
|---|---|
| Patients | 1,097 |
| Total drug cost | $3,305,587 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical groups
- Yale UniversityNew Haven, CT · 2,645 clinicians
- Endocrine Assoc of CT LLCHamden, CT · 10 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$2,580 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $2,417 | 2 |
| Insulet Corporation | $162.67 | 6 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,293 · 1 payment
- Food and Beverage$287.61 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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