Carl Mayer Grushkin, M.D.
NPI 1023101557ActiveIndividual· Pediatrics, Pediatric Nephrology· Los Angeles, CA
Pediatrics, Pediatric Nephrology (M.D.) in Los Angeles, California, licensed in CA, with an NPI issued in October 2006. Mostly services rather than prescriptions: Medicare paid $3,136 for 12 patients in 2024, with only 23 Part D claims.
Overview
| NPI | 1023101557 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | May 14, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Nephrology Primary | 2080P0210X | G13885 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 43 across 1 procedure code |
| Paid by Medicare | $3,136 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 33 30-day fills |
|---|---|
| Total drug cost | $241.88 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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