Karo Isagholian, M.D.
NPI 1326078528ActiveIndividual· Internal Medicine· Glendale, CA
Internal Medicine (M.D.) in Glendale, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $2,929,708 for 20,623 claims, against $330,056 paid for services in 2024. Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $2,243 in all, mostly food and beverage. Lists Glendale Adventist Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1326078528 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 3, 2006 |
| Last updated in NPPES | Aug 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A73825 | 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 | 341 |
|---|---|
| Services billed | 5,514 across 61 procedure codes |
| Paid by Medicare | $330,056 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20,623 · 23,123 30-day fills |
|---|---|
| Patients | 339 |
| Total drug cost | $2,929,708 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Glendale Adventist Medical CenterGlendale, CA
- Glendale Mem Hospital & Hlth CenterGlendale, CA
- Providence Saint Joseph Medical CtrBurbank, CA
Other facilities
- Hye Nurses Home Health IncHome health agency · N Hollywood, CA
- New Horizon Home Health CareHome health agency · Glendale, CA
- Optima Health Care, IncHome health agency · La Canada Flintridge, CA
Industry payments (Open Payments)
- 2025$2,243 · 98 payments from 22 companies
- 2024$2,148 · 98 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $429.56 | 20 |
| Amgen Inc. | $201.46 | 9 |
| Astrazeneca Pharmaceuticals LP | $198.41 | 10 |
| Shield Therapeutics Inc | $172.76 | 7 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $160.62 | 6 |
What the 2025 payments were for
- Food and Beverage$2,194 · 97 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$49.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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