Catherine M. Westerband, MD
NPI 1942218078ActiveIndividual· Obstetrics & Gynecology· Tucson, AZ
Obstetrics & Gynecology (MD) in Tucson, Arizona, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1998). In 2024 Medicare paid $13,672 for 163 patients, and Part D covered 312 of their prescriptions, 86% of them generic. Biogen, Inc. was the largest of 12 companies reporting payments in 2025, $570.43 in all, mostly food and beverage.
Overview
| NPI | 1942218078 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Jan 26, 2021 |
| Certified by provider | Jan 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 26791 | AZ |
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 - Obstetrics/Gynecology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 270 across 16 procedure codes |
| Paid by Medicare | $13,672 |
Part D prescriptions in 2024
| Prescriptions (claims) | 312 · 693 30-day fills |
|---|---|
| Patients | 130 |
| Total drug cost | $20,239 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Genesis OB GYN PLLCOro Valley, AZ · 110 clinicians
Industry payments (Open Payments)
- 2025$570.43 · 30 payments from 12 companies
- 2024$628.38 · 27 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $178.40 | 12 |
| Astellas Pharma US Inc | $91.80 | 4 |
| Organon LLC | $57.98 | 3 |
| Coopersurgical, Inc. | $57.97 | 1 |
| Merck Sharp & Dohme LLC | $38.43 | 2 |
What the 2025 payments were for
- Food and Beverage$570.43 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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