Robert Gabriel Feldman, M.D.
NPI 1194805416ActiveIndividual· Internal Medicine, Geriatric Medicine· Laguna Hills, CA
Internal Medicine, Geriatric Medicine (M.D.) in Laguna Hills, California, trained at State University of New York Downstate Medical Center (class of 1986). 248 Medicare patients in 2024, $441,323 paid; nearly all of their 8,361 Part D prescriptions were generic (92%). Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $254,289 in all, mostly speaking and faculty fees.
Overview
| NPI | 1194805416 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 17, 2006 |
| Last updated in NPPES | Feb 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | G68484 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 248 |
|---|---|
| Services billed | 25,565 across 41 procedure codes |
| Paid by Medicare | $441,323 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,361 · 17,770 30-day fills |
|---|---|
| Patients | 394 |
| Total drug cost | $538,602 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | General Practice, Geriatric Medicine |
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
Other facilities
- Acacia Hh&p of Southern California, LLCHome health agency · Irvine, CA
- Acacia Home Health ServicesHome health agency · Glendale, CA
- Care Plus Home HealthHome health agency · Laguna Hills, CA
- Green Meadows Home Health Care, IncHome health agency · Santa Ana, CA
Industry payments (Open Payments)
- 2025$254,289 · 364 payments from 3 companies
- 2024$261,154 · 395 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $122,757 | 135 |
| Amgen Inc. | $116,067 | 217 |
| Merck Sharp & Dohme LLC | $15,465 | 12 |
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$195,101 · 80 payments
- Travel and Lodging$52,205 · 195 payments
- Food and Beverage$6,975 · 88 payments
- Education$7.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Geriatric Medicine providers in Laguna Hills
- 1518465665
- 1962815779
- 1164453023
- 1659452795
- 1487725552
- 1538229224
- 1518147396
All Internal Medicine, Geriatric Medicine providers in California →