Elizabeth Yoshiko Koehler, MD
NPI 1154501930ActiveIndividual· Internal Medicine· Palo Alto, CA
Internal Medicine (MD) in Palo Alto, California, trained at University of Southern California Keck School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $156,888 for 1,013 claims, against $3,467 paid for services in 2024. Lilly USA, LLC reported $20.35 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1154501930 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 8, 2007 |
| Last updated in NPPES | Jan 9, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A101968 | 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 (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 33 |
|---|---|
| Services billed | 65 across 4 procedure codes |
| Paid by Medicare | $3,467 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,013 · 1,811 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $156,888 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Queens Medical CenterHonolulu, HI · 192 clinicians
Hospital affiliation
- The Queens Medical CenterHonolulu, HI
Other facilities
- Careresource HawaiiHome health agency · Honolulu, HI
Industry payments (Open Payments)
- 2024$20.35 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $20.35 | 1 |
What the 2024 payments were for
- Food and Beverage$20.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 196 internal medicine physicians in Palo Alto · All internal medicine physicians in California