Cainan Foltz, MD
NPI 1033434071ActiveIndividual· Internal Medicine, Gastroenterology· San Diego, CA
Internal Medicine, Gastroenterology (MD) in San Diego, California, trained at Stanford University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $512,903 for 720 claims, against $86,605 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,172 in all, mostly food and beverage.
Overview
| NPI | 1033434071 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2010 |
| Last updated in NPPES | May 13, 2026 |
| Certified by provider | May 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A116914 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 333 |
|---|---|
| Services billed | 880 across 34 procedure codes |
| Paid by Medicare | $86,605 |
Part D prescriptions in 2024
| Prescriptions (claims) | 720 · 1,056 30-day fills |
|---|---|
| Patients | 251 |
| Total drug cost | $512,903 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Emergency and Acute Care Medical CorporationLa Mesa, CA · 422 clinicians
- San Diego Digestive Disease Consultants Inc A Medical GroupSan Diego, CA · 13 clinicians
Hospital affiliations
- Palomar Health Downtown CampusEscondido, CA
- Palomar Medical Center PowayPoway, CA
- Sharp Chula Vista Medical CenterChula Vista, CA
- Sharp Coronado Hospital and Hlthcr CtrCoronado, CA
- Sharp Memorial HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$1,172 · 54 payments from 16 companies
- 2024$1,542 · 64 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $373.53 | 21 |
| Janssen Biotech, Inc. | $167.60 | 8 |
| Regeneron Healthcare Solutions, Inc. | $144.61 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $106.07 | 3 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $70.81 | 3 |
What the 2025 payments were for
- Food and Beverage$1,172 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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