Charlotte Mary Carlson, M.D.
NPI 1134446875ActiveIndividual· Internal Medicine, Geriatric Medicine· Santa Rosa, CA
Internal Medicine, Geriatric Medicine (M.D.) in Santa Rosa, California, trained at University of California, San Francisco School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $396,165 for 4,688 claims, against $144,726 paid for services in 2024. E.R. Squibb & Sons, L.L.C. reported $24.21 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1134446875 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 20, 2010 |
| Last updated in NPPES | Jan 29, 2020 |
| Certified by provider | Jan 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 1009320 | CA |
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 - Geriatric Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 1,644 across 35 procedure codes |
| Paid by Medicare | $144,726 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,688 · 9,715 30-day fills |
|---|---|
| Patients | 443 |
| Total drug cost | $396,165 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA
Other facilities
- Blc Homehealth IncHome health agency · San Leandro, CA
- Sutter Care at HomeHome health agency · Santa Rosa, CA
- Sutter Care at HomeHospice · Santa Rosa, CA
Industry payments (Open Payments)
- 2025$24.21 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $24.21 | 1 |
What the 2025 payments were for
- Food and Beverage$24.21 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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