Changqing Ma, MD
NPI 1326277989ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Saint Louis, MO
Pathology, Anatomic Pathology & Clinical Pathology (MD) with Washington University, practicing in Saint Louis, Missouri. Medicare paid $58,611 for services to 689 patients in 2024. Roche Diagnostics Corporation reported $18.22 in payments in 2025, mostly food and beverage. Lists Barnes Jewish Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1326277989 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2009 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 2021028849 | MO |
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 - Pathology (IL); Practitioner - Pathology (MO); Practitioner - Pathology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 689 |
|---|---|
| Services billed | 2,208 across 19 procedure codes |
| Paid by Medicare | $58,611 |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
Industry payments (Open Payments)
- 2025$18.22 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Roche Diagnostics Corporation | $18.22 | 1 |
What the 2025 payments were for
- Food and Beverage$18.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 177 pathologists in Saint Louis · All pathologists in Missouri