Katherine Elizabeth Gross, M.D.
Internal Medicine, Pulmonary Disease (M.D.) with Craig M Rundbaken DO PLLC and 1 other group, practicing in Sun City West, Arizona. Their prescriptions cost Medicare Part D more than their services did: $176,210 for 1,678 claims, against $6,832 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $264.39 in all, mostly food and beverage. Lists Banner del E. Webb Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1336584184 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 7, 2013 |
| Last updated in NPPES | Apr 3, 2026 |
| Certified by provider | Apr 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 58013 | AZ |
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 - Pulmonary Disease (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 130 across 10 procedure codes |
| Paid by Medicare | $6,832 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,678 · 3,569 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $176,210 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Craig M Rundbaken DO PLLCPrescott, AZ · 11 clinicians
- Healthfirst Medical Group PCPhoenix, AZ · 4 clinicians
Hospital affiliations
- Banner del E. Webb Medical CenterSun City West, AZ
- Wickenburg Community HospitalWickenburg, AZ
- Yavapai Regional Medical CenterPrescott, AZ
Industry payments (Open Payments)
- 2025$264.39 · 16 payments from 6 companies
- 2024$190.66 · 16 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $138.14 | 10 |
| Insmed, Inc. | $32.25 | 2 |
| Dexcom, Inc. | $30.53 | 1 |
| Abiomed | $22.76 | 1 |
| Edwards Lifesciences Corporation | $22.50 | 1 |
What the 2025 payments were for
- Food and Beverage$264.39 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Sun City West
- 1821279308
- 1720072903
- 1134118995
All Internal Medicine, Pulmonary Disease providers in Arizona →