Paul Joseph Simpson II, M.D.
NPI 1104169978ActiveIndividual· Internal Medicine, Pulmonary Disease· Fullerton, CA
Internal Medicine, Pulmonary Disease (M.D.) with Saadah Alrajab MD Mph Inc, practicing in Fullerton, California. In 2024 Medicare paid $500,055 for 679 patients, and Part D covered 200 of their prescriptions. Insmed, Inc. reported $20.97 in payments in 2025, mostly food and beverage. Lists Chapman Global Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1104169978 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2013 |
| Last updated in NPPES | May 26, 2020 |
| Certified by provider | May 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A167694 | 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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 679 |
|---|---|
| Services billed | 6,707 across 40 procedure codes |
| Paid by Medicare | $500,055 |
Part D prescriptions in 2024
| Prescriptions (claims) | 200 · 246 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $49,254 |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Saadah Alrajab MD Mph IncLa Mirada, CA · 3 clinicians
Hospital affiliations
- Chapman Global Medical CenterOrange, CA
- Foothill Regional Medical CenterTustin, CA
- Orange County Global Medical CenterSanta Ana, CA
- Providence St. Jude Medical CenterFullerton, CA
- Whittier Hospital Medical CenterWhittier, CA
Other facilities
- Kindred Hospital -- la MiradaLong-term care hospital · La Mirada, CA
- Kindred Hospital BreaLong-term care hospital · Brea, CA
Industry payments (Open Payments)
- 2025$20.97 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insmed, Inc. | $20.97 | 1 |
What the 2025 payments were for
- Food and Beverage$20.97 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Fullerton
- 1730355801
- 1730368374
- 1992127393
- 1134539711
- 1023050135
- 1043399017
- 1427159458
- 1801882261
- 1346329323
- 1326059882
- 1649266032
- 1760742001
All Internal Medicine, Pulmonary Disease providers in California →