Maria Cecilia Catilo Asnis, M.D.
NPI 1437475688ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Stamford, CT
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Stamford, Connecticut, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $1,212,480 for 1,924 claims, against $52,410 paid for services in 2024. Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $222.43 in all, mostly food and beverage.
Overview
| NPI | 1437475688 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 13, 2010 |
| Last updated in NPPES | Dec 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 051849 | CT |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 257033 | NY |
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 | 274 |
|---|---|
| Services billed | 1,491 across 14 procedure codes |
| Paid by Medicare | $52,410 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,924 · 3,622 30-day fills |
|---|---|
| Patients | 336 |
| Total drug cost | $1,212,480 |
| Generic share | 42% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
Hospital affiliations
- Greenwich Hospital Association -Greenwich, CT
- Stamford HospitalStamford, CT
Industry payments (Open Payments)
- 2025$222.43 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $111.64 | 1 |
| Insulet Corporation | $110.79 | 1 |
What the 2025 payments were for
- Food and Beverage$222.43 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 endocrinologists in Stamford · All endocrinologists in Connecticut