Allan R. Santiago, MD
NPI 1235106527ActiveIndividual· Internal Medicine, Infectious Disease· Brooklyn, NY
Internal Medicine, Infectious Disease (MD) in Brooklyn, New York, licensed in NY, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $2,635,049 for 34,410 claims, against $448,146 paid for services in 2024. Pfizer Inc. reported $21.49 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235106527 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 5, 2006 |
| Last updated in NPPES | Oct 4, 2022 |
| Certified by provider | Oct 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 250074 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 835 |
|---|---|
| Services billed | 6,258 across 13 procedure codes |
| Paid by Medicare | $448,146 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34,410 · 35,972 30-day fills |
|---|---|
| Patients | 940 |
| Total drug cost | $2,635,049 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
Other facilities
- Cassena Care at HomeHome health agency · Brooklyn, NY
- Girling Health Care of New YorkHome health agency · Brooklyn, NY
- Revival Home Health CareHome health agency · Staten Island, NY
- Calvary Home Health Agency and Hospice CareHospice · Bronx, NY
- M J H S Hospice and Palliative Care, IncHospice · New York, NY
- Vnsny Hospice and Palliative CareHospice · New York, NY
- Brooklyn Gardens Nursing & Rehabilitation CenterNursing home · Brooklyn, NY
- Downtown Brooklyn Nursing & Rehabilitation CenterNursing home · Brooklyn, NY
- Franklin Center for Rehabilitation and NursingNursing home · Flushing, NY
- Laconia Nursing HomeNursing home · Bronx, NY
- Linden Center for Nursing and RehabilitationNursing home · Brooklyn, NY
Industry payments (Open Payments)
- 2025$21.49 · 1 payment from 1 company
- 2024$154.09 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $21.49 | 1 |
What the 2025 payments were for
- Food and Beverage$21.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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