Cheyenne Cassel Sonntag, MD
NPI 1104244144ActiveIndividual· Surgery· Palo Alto, CA
Surgery (MD) in Palo Alto, California, trained at University of Southern California Keck School of Medicine (class of 2014). Mostly services rather than prescriptions: Medicare paid $73,756 for 277 patients in 2024, with only 12 Part D claims. Btg International, Inc. reported $7.22 in payments in 2024, mostly education.
Overview
| NPI | 1104244144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 5, 2014 |
| Last updated in NPPES | Apr 27, 2024 |
| Certified by provider | Apr 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A171743 | CA |
| Surgery, Surgical Critical Care | 2086S0102X | A171743 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 525 across 54 procedure codes |
| Paid by Medicare | $73,756 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 13 30-day fills |
|---|---|
| Total drug cost | $144.85 |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | General Surgery |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2024$7.22 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Btg International, Inc. | $7.22 | 1 |
What the 2024 payments were for
- Education$7.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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