Margaret Hay, MD
NPI 1003347683ActiveIndividual· Internal Medicine, Pulmonary Disease· Denver, CO
Internal Medicine, Pulmonary Disease (MD) in Denver, Colorado, trained at Ohio State University College of Medicine (class of 2017). In 2024 Medicare paid $39,372 for 133 patients, and Part D covered 69 of their prescriptions, 65% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $151.89 in all, mostly food and beverage.
Overview
| NPI | 1003347683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 24, 2017 |
| Last updated in NPPES | Aug 30, 2023 |
| Certified by provider | Aug 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 71056 | CO |
| Internal Medicine | 207R00000X | 71056 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 460 across 28 procedure codes |
| Paid by Medicare | $39,372 |
Part D prescriptions in 2024
| Prescriptions (claims) | 69 · 120 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $10,656 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Critical Care Pulmonary and Sleep Associates Professional LLPLakewood, CO · 63 clinicians
Hospital affiliations
- Adventhealth Castle RockCastle Rock, CO
- Adventhealth LittletonLittleton, CO
- Adventhealth ParkerParker, CO
- Adventhealth PorterDenver, CO
- Centura Health-St Anthony HospitalLakewood, CO
Industry payments (Open Payments)
- 2025$151.89 · 10 payments from 4 companies
- 2024$420.65 · 14 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $85.98 | 4 |
| Electromed, Inc. | $33.90 | 4 |
| Glaxosmithkline, LLC. | $17.72 | 1 |
| Genzyme Corporation | $14.29 | 1 |
What the 2025 payments were for
- Food and Beverage$151.89 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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