Stuart Douglas Klein, MD
NPI 1104834472ActiveIndividual· Internal Medicine· Poway, CA
Internal Medicine (MD) in Poway, California, trained at Howard University College of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $430,107 for 4,489 claims, against $54,529 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 20 companies reporting payments in 2025, $982.64 in all, mostly food and beverage.
Overview
| NPI | 1104834472 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 3, 2006 |
| Last updated in NPPES | Nov 10, 2021 |
| Certified by provider | Nov 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G45289 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 178 |
|---|---|
| Services billed | 15,478 across 31 procedure codes |
| Paid by Medicare | $54,529 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,489 · 11,063 30-day fills |
|---|---|
| Patients | 365 |
| Total drug cost | $430,107 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Focus on Health IncSan Diego, CA · 64 clinicians
- North County Internists Medical CorporationPoway, CA · 3 clinicians
Hospital affiliations
- Palomar Health Downtown CampusEscondido, CA
- Palomar Medical Center PowayPoway, CA
Other facilities
- Archer Health IncHome health agency · Carlsbad, CA
Industry payments (Open Payments)
- 2025$982.64 · 47 payments from 20 companies
- 2024$1,352 · 69 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $183.13 | 8 |
| Abbvie Inc. | $131.39 | 7 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $106.71 | 6 |
| Lilly USA, LLC | $84.54 | 4 |
| Indivior Inc. | $53.96 | 2 |
What the 2025 payments were for
- Food and Beverage$982.64 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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