John H.H. Fisher, M.D.
NPI 1699777334ActiveIndividual· Internal Medicine, Nephrology· Palmdale, CA
Internal Medicine, Nephrology (M.D.) with A.V. Meridien Medical Group, Inc, practicing in Palmdale, California. Their prescriptions cost Medicare Part D more than their services did: $502,514 for 2,729 claims, against $179,413 paid for services in 2024. Glaxosmithkline, LLC. reported $120.73 in payments in 2025, mostly food and beverage. Lists Antelope Valley Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1699777334 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 12, 2005 |
| Last updated in NPPES | Dec 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A41776 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 229 |
|---|---|
| Services billed | 917 across 10 procedure codes |
| Paid by Medicare | $179,413 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,729 · 5,590 30-day fills |
|---|---|
| Patients | 422 |
| Total drug cost | $502,514 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- A.V. Meridien Medical Group, IncPalmdale, CA · 3 clinicians
Hospital affiliations
- Antelope Valley HospitalLancaster, CA
- Palmdale Regional Medical CenterPalmdale, CA
Other facilities
- East Palmdale Dialysis CenterDialysis facility · Palmdale, CA
- High Desert HemodialysisDialysis facility · Palmdale, CA
Industry payments (Open Payments)
- 2025$120.73 · 1 payment from 1 company
- 2024$16.40 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $120.73 | 1 |
What the 2025 payments were for
- Food and Beverage$120.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Palmdale
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