Nathash S. Kallichanda, M.D.
NPI 1902067507ActiveIndividual· Pathology, Anatomic Pathology· Torrance, CA
Pathology, Anatomic Pathology (M.D.) with Affiliated Pathologists Medical Group, Inc., practicing in Torrance, California. Medicare paid $24,674 for services to 297 patients in 2024. Merck Sharp & Dohme LLC reported $23.68 in payments in 2025, mostly food and beverage. Lists Providence Cedars Sinai Tarzana Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1902067507 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 17, 2008 |
| Last updated in NPPES | Jan 27, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology Primary | 207ZP0101X | A88370 | CA |
| Pathology, Cytopathology | 207ZC0500X | A88370 | 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 - Pathology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 297 |
|---|---|
| Services billed | 893 across 26 procedure codes |
| Paid by Medicare | $24,674 |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- Affiliated Pathologists Medical Group, Inc.Orange, CA · 45 clinicians
Hospital affiliations
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA
- Providence Little Co of Mary Med Ctr San PedroSan Pedro, CA
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
- Providence St Mary Medical CenterApple Valley, CA
- Southern California Hospital at HollywoodHollywood, CA
Industry payments (Open Payments)
- 2025$23.68 · 1 payment from 1 company
- 2024$1,750 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $23.68 | 1 |
What the 2025 payments were for
- Food and Beverage$23.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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