Clarkson Raymond Crane, MD
NPI 1689036436ActiveIndividual· Pediatrics, Pediatric Nephrology· San Diego, CA
Pediatrics, Pediatric Nephrology (MD) in San Diego, California, trained at Loma Linda University School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $31,343 for 54 claims, against $5,404 paid for services in 2024. Ardelyx, Inc. was the largest of 3 companies reporting payments in 2025, $136.99 in all, mostly food and beverage.
Overview
| NPI | 1689036436 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2016 |
| Last updated in NPPES | Jun 25, 2024 |
| Certified by provider | Jun 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Nephrology Primary | 2080P0210X | A168738 | CA |
| Internal Medicine | 207R00000X | A168738 | CA |
| Internal Medicine, Nephrology | 207RN0300X | A168738 | CA |
| Pediatrics | 208000000X | A168738 | CA |
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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 64 across 6 procedure codes |
| Paid by Medicare | $5,404 |
Part D prescriptions in 2024
| Prescriptions (claims) | 54 · 70 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $31,343 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Nephrology |
Medical groups
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
- Rady Children's Hospital San DiegoSan Diego, CA · 169 clinicians
Hospital affiliations
- Rady Children's Hospital - San DiegoSan Diego, CA
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$136.99 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $67.34 | 1 |
| Kyowa Kirin, Inc. | $50.00 | 1 |
| Apellis Pharmaceuticals, Inc. | $19.65 | 1 |
What the 2025 payments were for
- Food and Beverage$136.99 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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