Lian Bach, D.O.
NPI 1144490962ActiveIndividual· Family Medicine· Santa Ana, CA
Family Medicine (D.O.) with Providence Medical Foundation, practicing in Santa Ana, California. Their prescriptions cost Medicare Part D more than their services did: $236,710 for 2,428 claims, against $18,300 paid for services in 2024. Modernatx, Inc. was the largest of 4 companies reporting payments in 2025, $1,033 in all, mostly travel and lodging. Lists Providence St. Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1144490962 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 7, 2008 |
| Last updated in NPPES | Oct 15, 2021 |
| Certified by provider | Oct 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A10289 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 296 across 39 procedure codes |
| Paid by Medicare | $18,300 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,428 · 5,438 30-day fills |
|---|---|
| Patients | 254 |
| Total drug cost | $236,710 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Other facilities
- Providence at Home With Compassus Home Health Orange CountyHome health agency · Anaheim, CA
Industry payments (Open Payments)
- 2025$1,033 · 8 payments from 4 companies
- 2024$273.56 · 15 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Modernatx, Inc. | $887.89 | 1 |
| Astrazeneca Pharmaceuticals LP | $98.81 | 5 |
| Lilly USA, LLC | $30.99 | 1 |
| Glaxosmithkline, LLC. | $15.53 | 1 |
What the 2025 payments were for
- Travel and Lodging$887.89 · 1 payment
- Food and Beverage$145.33 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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