Melchor J. Sipalay, MD
NPI 1356390074ActiveIndividual· Internal Medicine· Pueblo, CO
Internal Medicine (MD) with Heritage Internal Medicine, PC, practicing in Pueblo, Colorado. Their prescriptions cost Medicare Part D more than their services did: $849,937 for 9,648 claims, against $226,713 paid for services in 2024. Pfizer Inc. was the largest of 10 companies reporting payments in 2025, $424.99 in all, mostly food and beverage. Lists Arkansas Valley Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1356390074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Apr 28, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 38338 | CO |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 493 |
|---|---|
| Services billed | 13,186 across 56 procedure codes |
| Paid by Medicare | $226,713 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,648 · 21,999 30-day fills |
|---|---|
| Patients | 668 |
| Total drug cost | $849,937 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Heritage Internal Medicine, PCPueblo, CO · 2 clinicians
Hospital affiliations
- Arkansas Valley Regional Medical CenterLajuna, CO
- Parkview Medical Center, IncPueblo, CO
- St Mary-Corwin HospitalPueblo, CO
Other facilities
- Adoration Home HealthHome health agency · Pueblo, CO
- Centerwell Home HealthHome health agency · Colorado Springs, CO
- Enhabit Home HealthHome health agency · Colorado Springs, CO
- Allelon Hospice and Palliative CareHospice · Pueblo, CO
Industry payments (Open Payments)
- 2025$424.99 · 21 payments from 10 companies
- 2024$631.80 · 37 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $67.58 | 3 |
| Aimmune Therapeutics, Inc. | $63.44 | 3 |
| Novo Nordisk Inc | $61.46 | 3 |
| Lilly USA, LLC | $55.05 | 3 |
| Astellas Pharma US Inc | $40.91 | 2 |
What the 2025 payments were for
- Food and Beverage$424.99 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 111 internal medicine physicians in Pueblo · All internal medicine physicians in Colorado