William A. Baker, MD
NPI 1740209337ActiveIndividual· Internal Medicine, Cardiovascular Disease· Denver, CO
Internal Medicine, Cardiovascular Disease (MD) in Denver, Colorado, trained at Johns Hopkins University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,360,530 for 3,091 claims, against $2,638 paid for services in 2024. Native Surgical, LLC was the largest of 2 companies reporting payments in 2025, $190.08 in all, mostly food and beverage.
Overview
| NPI | 1740209337 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Jun 21, 2021 |
| Certified by provider | Jun 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 35205 | CO |
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 - Cardiovascular Disease (Cardiology) (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 65 across 21 procedure codes |
| Paid by Medicare | $2,638 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,091 · 8,399 30-day fills |
|---|---|
| Patients | 578 |
| Total drug cost | $1,360,530 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Colorado Permanente Medical Group PCDenver, CO · 1,327 clinicians
Industry payments (Open Payments)
- 2025$190.08 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Native Surgical, LLC | $164.99 | 1 |
| Abbott Laboratories | $25.09 | 1 |
What the 2025 payments were for
- Food and Beverage$190.08 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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