Clark T. Bach, M.D.
NPI 1831579689ActiveIndividual· Internal Medicine· Vista, CA
Internal Medicine (M.D.) with Scripps Health, practicing in Vista, California. Their prescriptions cost Medicare Part D more than their services did: $370,147 for 2,621 claims, against $57,586 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 10 companies reporting payments in 2025, $442.04 in all, mostly food and beverage. Lists Scripps Green Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1831579689 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2015 |
| Last updated in NPPES | Jun 15, 2025 |
| Certified by provider | Jun 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A155470 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 178 |
|---|---|
| Services billed | 2,944 across 28 procedure codes |
| Paid by Medicare | $57,586 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,621 · 6,488 30-day fills |
|---|---|
| Patients | 347 |
| Total drug cost | $370,147 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Scripps HealthLa Jolla, CA · 1,433 clinicians
Hospital affiliations
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
Other facilities
- Advantage Health SystemsHome health agency · San Diego, CA
- Archer Health IncHome health agency · Carlsbad, CA
- Seaport Scripps Home HealthHome health agency · San Diego, CA
Industry payments (Open Payments)
- 2025$442.04 · 22 payments from 10 companies
- 2024$401.32 · 20 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $125.94 | 6 |
| Lilly USA, LLC | $72.24 | 4 |
| Abbott Laboratories | $62.84 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $45.57 | 3 |
| Boston Scientific Corporation | $35.42 | 1 |
What the 2025 payments were for
- Food and Beverage$442.04 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 internal medicine physicians in Vista · All internal medicine physicians in California