Enrique Calvo Ayala, M.D.
NPI 1699971713ActiveIndividual· Internal Medicine, Pulmonary Disease· Royal Oak, MI
Internal Medicine, Pulmonary Disease (M.D.) with Beaumont Medical Group- Specialty Services, practicing in Royal Oak, Michigan. Their prescriptions cost Medicare Part D more than their services did: $2,216,229 for 1,020 claims, against $46,415 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $94.31 in all, mostly food and beverage. Lists Beaumont Hospital - Farmington Hills and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1699971713 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2007 |
| Last updated in NPPES | Oct 23, 2020 |
| Certified by provider | Oct 23, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 4301089825 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Critical Care (Intensivists) (MI); Practitioner - Pulmonary Disease (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 561 across 30 procedure codes |
| Paid by Medicare | $46,415 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,020 · 1,550 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $2,216,229 |
| Generic share | 39% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Internal Medicine, Pulmonary Disease |
Medical group
- Beaumont Medical Group- Specialty ServicesBerkley, MI · 847 clinicians
Hospital affiliations
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Industry payments (Open Payments)
- 2025$94.31 · 2 payments from 2 companies
- 2024$37.54 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $75.36 | 1 |
| United Therapeutics Corporation | $18.95 | 1 |
What the 2025 payments were for
- Food and Beverage$94.31 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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