Catherine A. Wittman, MD
NPI 1144412610ActiveIndividual· Internal Medicine, Pulmonary Disease· Denver, CO
Internal Medicine, Pulmonary Disease (MD) with National Jewish Health, practicing in Denver, Colorado. Their prescriptions cost Medicare Part D more than their services did: $595,772 for 729 claims, against $35,695 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $296.57 in all, mostly food and beverage. Lists Good Samaritan Medical Center LLC and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1144412610 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 17, 2007 |
| Last updated in NPPES | Nov 11, 2020 |
| Certified by provider | Nov 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 51031 | CO |
| Internal Medicine | 207R00000X | MD434070 | PA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 51031 | 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 - Critical Care (Intensivists) (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 333 across 18 procedure codes |
| Paid by Medicare | $35,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 729 · 1,190 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $595,772 |
| Generic share | 44% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Internal Medicine, Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- National Jewish HealthDenver, CO · 247 clinicians
Hospital affiliations
- Good Samaritan Medical Center LLCLafayette, CO
- Intermountain Health Platte Valley HospitalBrighton, CO
- National Jewish HealthDenver, CO
- Saint Joseph HospitalDenver, CO
Industry payments (Open Payments)
- 2025$296.57 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $110.16 | 1 |
| Becton, Dickinson and Company | $108.69 | 1 |
| Pulmonx Corporation | $77.72 | 1 |
What the 2025 payments were for
- Food and Beverage$296.57 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 pulmonologists in Denver · All pulmonologists in Colorado