Cassondra Michelle Ridgway, DO, MS
NPI 1407435423ActiveIndividual· Family Medicine· Sand Springs, OK
Family Medicine (DO, MS) in Sand Springs, Oklahoma, trained at Oklahoma State University College of Osteopathic Medicine (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $100,480 for 645 claims, against $11,064 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 13 companies reporting payments in 2025, $1,085 in all, mostly food and beverage.
Overview
| NPI | 1407435423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO, MS |
| Sole proprietor | No |
| NPI issued | Apr 6, 2021 |
| Last updated in NPPES | Jul 3, 2024 |
| Certified by provider | Jul 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 7653 | OK |
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 - Family Practice (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 155 across 25 procedure codes |
| Paid by Medicare | $11,064 |
Part D prescriptions in 2024
| Prescriptions (claims) | 645 · 1,330 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $100,480 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Family Practice |
Medical group
- Warren Clinic IncTulsa, OK · 883 clinicians
Hospital affiliations
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$1,085 · 56 payments from 13 companies
- 2024$388.40 · 19 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $225.41 | 11 |
| Pfizer Inc. | $132.33 | 7 |
| Bayer Healthcare Pharmaceuticals Inc. | $112.75 | 6 |
| Amgen Inc. | $109.19 | 6 |
| Verona Pharma, Inc. | $89.44 | 4 |
What the 2025 payments were for
- Food and Beverage$1,085 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 family medicine physicians in Sand Springs · All family medicine physicians in Oklahoma