Shaparak Kamarei, MD
NPI 1952409021ActiveIndividual· Internal Medicine· Irvine, CA
Internal Medicine (MD) in Irvine, California, trained at University of Southern California Keck School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $548,528 for 7,994 claims, against $37,706 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $47.37 in all, mostly food and beverage.
Overview
| NPI | 1952409021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Jul 30, 2026 |
| Certified by provider | Jul 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G78688 | 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 | 173 |
|---|---|
| Services billed | 528 across 18 procedure codes |
| Paid by Medicare | $37,706 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,994 · 18,605 30-day fills |
|---|---|
| Patients | 559 |
| Total drug cost | $548,528 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Other facilities
- Mission Home Health of Irvine, LLCHome health agency · Irvine, CA
Industry payments (Open Payments)
- 2025$47.37 · 2 payments from 2 companies
- 2024$82.38 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $25.20 | 1 |
| Intercept Pharmaceuticals, Inc. | $22.17 | 1 |
What the 2025 payments were for
- Food and Beverage$47.37 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 207 internal medicine physicians in Irvine · All internal medicine physicians in California