Doctor profile · Federal record
Dr. Changqing Ma, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Saint Louis, MO
- NPI 1326277989
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Div PA Anatomic and Molecular Path
Saint Louis, MO 631101003
(314) 362-5641
fax (314) 362-0369 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- Missouri #2021028849
- Medicaid
- MO #200100200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326277989. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,437
Distinct HCPCS
10
Medicare allowed
$87,778
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 1,456 | 641 | $36 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 309 | 100 | $27 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 257 | 227 | $34 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 162 | 48 | $12 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 111 | 82 | $80 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 38 | 36 | $11 | |
88309 |
Pathology examination of tissue using a microscope, high complexity | 34 | 33 | $141 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 29 | 17 | $26 | |
88363 |
Examination of archival tissue for genetic analysis | 22 | 22 | $19 | |
88360 |
Microscopic genetic analysis of tumor, manual | 19 | 14 | $41 |
In context: peer comparison
Among 41 peers in Saint Louis Anatomic Pathology & Clinical Pathology Physician, average services per provider: 137. This provider delivers 18× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Changqing Ma's medical specialty?
Dr. Changqing Ma practices Anatomic Pathology & Clinical Pathology Physician in Saint Louis, MO.
Where does Dr. Changqing Ma practice?
Dr. Changqing Ma practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143625641.
What is Dr. Changqing Ma's NPI?
Dr. Changqing Ma's National Provider Identifier (NPI) is 1326277989, issued by NPPES.
Does Dr. Changqing Ma accept Medicare assignment?
Yes. Dr. Changqing Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Changqing Ma commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.