George Z. Fadda, M.D.
NPI 1619972247ActiveIndividual· Internal Medicine, Nephrology· La Mesa, CA
Internal Medicine, Nephrology (M.D.) with Emergency and Acute Care Medical Corporation and 1 other group, practicing in La Mesa, California. Their prescriptions cost Medicare Part D more than their services did: $668,783 for 2,185 claims, against $336,901 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 6 companies reporting payments in 2025, $53,561 in all, mostly speaking and faculty fees. Lists Grossmont Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1619972247 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2005 |
| Last updated in NPPES | Aug 7, 2026 |
| Certified by provider | Aug 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A44918 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 731 |
|---|---|
| Services billed | 3,931 across 19 procedure codes |
| Paid by Medicare | $336,901 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,185 · 3,716 30-day fills |
|---|---|
| Patients | 292 |
| Total drug cost | $668,783 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Emergency and Acute Care Medical CorporationLa Mesa, CA · 422 clinicians
- Balboa Nephrology Medical Group IncFountain Valley, CA · 76 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Sharp Memorial HospitalSan Diego, CA
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Other facilities
- Fresenius Medical Care Balboa East CountyDialysis facility · El Cajon, CA
- Fresenius Medical Care Balboa la MesaDialysis facility · La Mesa, CA
Industry payments (Open Payments)
- 2025$53,561 · 63 payments from 6 companies
- 2024$29,378 · 33 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $36,115 | 38 |
| Otsuka America Pharmaceutical, Inc. | $9,729 | 13 |
| Ardelyx, Inc. | $7,523 | 9 |
| Scpharmaceuticals Inc. | $131.21 | 1 |
| Aimmune Therapeutics, Inc. | $35.65 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$38,133 · 15 payments
- Consulting Fee$8,417 · 3 payments
- Travel and Lodging$4,802 · 19 payments
- Food and Beverage$2,209 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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