Samarjit Singh, MD
NPI 1689786139ActiveIndividual· Internal Medicine, Pulmonary Disease· Fountain Valley, CA
Internal Medicine, Pulmonary Disease (MD) in Fountain Valley, California, licensed in CA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $5,050,627 for 7,742 claims, against $496,294 paid for services in 2024. Becton, Dickinson and Company was the largest of 33 companies reporting payments in 2025, $6,087 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1689786139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Jun 11, 2025 |
| Certified by provider | Jun 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A92484 | CA |
| Internal Medicine | 207R00000X | A92484 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | A92484 | 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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 825 |
|---|---|
| Services billed | 5,048 across 36 procedure codes |
| Paid by Medicare | $496,294 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,742 · 12,308 30-day fills |
|---|---|
| Patients | 903 |
| Total drug cost | $5,050,627 |
| Generic share | 61% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Long Beach Medical CenterLong Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$6,087 · 228 payments from 33 companies
- 2024$5,066 · 166 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Becton, Dickinson and Company | $1,100 | 1 |
| Astrazeneca Pharmaceuticals LP | $865.12 | 58 |
| Glaxosmithkline, LLC. | $863.31 | 51 |
| Genzyme Corporation | $291.91 | 11 |
| Verona Pharma, Inc. | $287.48 | 12 |
What the 2025 payments were for
- Food and Beverage$4,872 · 225 payments
- Honoraria$1,100 · 1 payment
- Education$115.53 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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