Loren Antonio Inigo-Santiago, M.D.
NPI 1851565154ActiveIndividual· Internal Medicine, Pulmonary Disease· Danbury, CT
Internal Medicine, Pulmonary Disease (M.D.) with Nuvance Health Medical Practice CT Inc, practicing in Danbury, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $619,552 for 1,166 claims, against $107,876 paid for services in 2024. Harmony Biosciences LLC was the largest of 2 companies reporting payments in 2025, $51.87 in all, mostly food and beverage. Lists Danbury Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1851565154 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 17, 2008 |
| Last updated in NPPES | Nov 17, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 052360 | CT |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 052360 | 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 - Pulmonary Disease (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 543 |
|---|---|
| Services billed | 1,150 across 40 procedure codes |
| Paid by Medicare | $107,876 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,166 · 1,768 30-day fills |
|---|---|
| Patients | 350 |
| Total drug cost | $619,552 |
| Generic share | 42% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Nuvance Health Medical Practice CT IncDanbury, CT · 747 clinicians
Hospital affiliations
- Danbury HospitalDanbury, CT
- Griffin HospitalDerby, CT
- Putnam Hospital CenterCarmel, NY
Other facilities
- Western Connecticut Home Care IncHome health agency · Danbury, CT
- Regional HospiceHospice · Danbury, CT
Industry payments (Open Payments)
- 2025$51.87 · 2 payments from 2 companies
- 2024$30.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harmony Biosciences LLC | $32.02 | 1 |
| Insmed, Inc. | $19.85 | 1 |
What the 2025 payments were for
- Food and Beverage$51.87 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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