Kourosh Khamooshian, MD
NPI 1659523975ActiveIndividual· Internal Medicine· La Mesa, CA
Internal Medicine (MD) with Eisenhower Medical Center and 1 other group, practicing in La Mesa, California. Their prescriptions cost Medicare Part D more than their services did: $1,007,267 for 5,529 claims, against $170,056 paid for services in 2024. Novo Nordisk Inc was the largest of 19 companies reporting payments in 2025, $1,320 in all, mostly food and beverage. Lists Eisenhower Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1659523975 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 17, 2008 |
| Last updated in NPPES | Jul 1, 2025 |
| Certified by provider | Jul 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A110901 | CA |
| Hospitalist | 208M00000X | A110901 | 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 | 556 |
|---|---|
| Services billed | 2,373 across 44 procedure codes |
| Paid by Medicare | $170,056 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,529 · 8,845 30-day fills |
|---|---|
| Patients | 541 |
| Total drug cost | $1,007,267 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Eisenhower Medical CenterPalm Springs, CA · 456 clinicians
- Caremd, Inc.Barstow, CA · 7 clinicians
Hospital affiliations
- Eisenhower Medical CenterRancho Mirage, CA
- Grossmont HospitalLa Mesa, CA
- John F Kennedy Memorial HospitalIndio, CA
- Sharp Memorial HospitalSan Diego, CA
Other facilities
- Advantage Health SystemsHome health agency · San Diego, CA
- Comfort and Thrive Home HealthHome health agency · San Diego, CA
- Mission Home Health of San Diego LLCHome health agency · San Diego, CA
- GentivaHospice · Palm Desert, CA
Industry payments (Open Payments)
- 2025$1,320 · 44 payments from 19 companies
- 2024$734.67 · 33 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $288.49 | 9 |
| Amgen Inc. | $286.42 | 6 |
| Vanda Pharmaceuticals Inc. | $156.35 | 2 |
| Corcept Therapeutics | $93.39 | 4 |
| Pfizer Inc. | $71.94 | 3 |
What the 2025 payments were for
- Food and Beverage$1,320 · 44 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in La Mesa
- 1942306550
- 1891933941
- 1114750916
- 1780003251
- 1962328682
- 1669680559
- 1235952870
- 1154419406
- 1184009722
- 1427099720
- 1982210183
- 1750486999