Courtney A. Tibble, M.D.
NPI 1346403912ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Sacramento, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Sacramento, California, trained at Vanderbilt University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $478,133 for 911 claims, against $43,684 paid for services in 2024. Tandem Diabetes Care, Inc. reported $114.17 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1346403912 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2008 |
| Last updated in NPPES | Jul 22, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A103174 | CA |
| Internal Medicine | 207R00000X | A103174 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 271 |
|---|---|
| Services billed | 534 across 10 procedure codes |
| Paid by Medicare | $43,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 911 · 2,257 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $478,133 |
| Generic share | 46% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Endocrinology |
Medical group
- Northbay Health Medical FoundationFairfield, CA · 213 clinicians
Hospital affiliations
- Northbay Medical CenterFairfield, CA
- Sutter Medical Center, SacramentoSacramento, CA
Industry payments (Open Payments)
- 2025$114.17 · 2 payments from 1 company
- 2024$109.88 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tandem Diabetes Care, Inc. | $114.17 | 2 |
What the 2025 payments were for
- Food and Beverage$114.17 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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