Robby Tony Ayoub, MD
NPI 1396958237ActiveIndividual· Internal Medicine, Pulmonary Disease· Huntington Beach, CA
Internal Medicine, Pulmonary Disease (MD) with Uc Regents and 2 other groups, practicing in Huntington Beach, California. Their prescriptions cost Medicare Part D more than their services did: $2,420,437 for 7,500 claims, against $288,494 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 22 companies reporting payments in 2025, $3,981 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1396958237 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 7, 2007 |
| Last updated in NPPES | Aug 22, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A102841 | CA |
| Internal Medicine | 207R00000X | A102841 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | A102841 | 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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 395 |
|---|---|
| Services billed | 4,432 across 52 procedure codes |
| Paid by Medicare | $288,494 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,500 · 10,495 30-day fills |
|---|---|
| Patients | 574 |
| Total drug cost | $2,420,437 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease, Sleep Medicine |
Medical groups
- Uc RegentsOrange, CA · 319 clinicians
- Regents of the University of CaliforniaOrange, CA · 60 clinicians
- Palmdale Intensivist IncPalmdale, CA · 16 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Palmdale Regional Medical CenterPalmdale, CA
- Providence St. Joseph HospitalOrange, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Vivat Skilled Nursing, IncHome health agency · Glendale, CA
- Healthcare Center of Orange CountyNursing home · Buena Park, CA
Industry payments (Open Payments)
- 2025$3,981 · 181 payments from 22 companies
- 2024$2,740 · 111 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $835.24 | 37 |
| Verona Pharma, Inc. | $508.08 | 22 |
| Astrazeneca Pharmaceuticals LP | $474.76 | 31 |
| Genzyme Corporation | $364.95 | 9 |
| Grifols USA, LLC | $349.87 | 19 |
What the 2025 payments were for
- Food and Beverage$3,914 · 180 payments
- Education$67.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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