Marie Angelica Landicho Diaz, M.D.
NPI 1588072532ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Sioux Falls, SD
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Avera McKennan, practicing in Sioux Falls, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $1,360,439 for 3,888 claims, against $55,373 paid for services in 2024. Amgen Inc. was the largest of 19 companies reporting payments in 2025, $790.15 in all, mostly food and beverage. Lists Avera McKennan Hospital & University Health Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1588072532 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 22, 2014 |
| Last updated in NPPES | Jan 18, 2023 |
| Certified by provider | Jan 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 11482 | SD |
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 (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 426 |
|---|---|
| Services billed | 1,279 across 17 procedure codes |
| Paid by Medicare | $55,373 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,888 · 7,355 30-day fills |
|---|---|
| Patients | 397 |
| Total drug cost | $1,360,439 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Avera McKennanSioux Falls, SD · 959 clinicians
Hospital affiliations
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Avera St LukesAberdeen, SD
- Lakes Regional HealthcareSpirit Lake, IA
- Osceola Community HospitalSibley, IA
- Sioux Center HealthSioux Center, IA
Industry payments (Open Payments)
- 2025$790.15 · 42 payments from 19 companies
- 2024$376.80 · 18 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $103.70 | 6 |
| Neurocrine Biosciences, Inc. | $80.31 | 4 |
| Chiesi USA, Inc. | $73.11 | 3 |
| Novartis Pharmaceuticals Corporation | $69.24 | 3 |
| Lilly USA, LLC | $57.89 | 3 |
What the 2025 payments were for
- Food and Beverage$790.15 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in South Dakota →