Doctor profile · Federal record
Dr. Mary Johnson, PA-C
Physician Assistant · Physician Assistant · Saint Louis, MO
- NPI 1992944904
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 17 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1040 N Mason RD, Suite 103
Saint Louis, MO 631416399
(314) 469-7246 - Mailing address
-
1352 Culpepper Ridge Dr
Ballwin, MO 630217527
Credentials & registration
- NPI registered
- February 2009 — 17 yrs on file
- Profile last updated
- July 21, 2010
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State licenses (2)
- Illinois #085003419 · Missouri #2009001275
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992944904. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
323
Distinct HCPCS
6
Medicare allowed
$22,268
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 212 | 111 | $74 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 48 | 48 | $93 | |
73564 |
X-ray of knee, 4 or more views | 21 | 21 | $42 | |
73630 |
X-ray of foot, minimum of 3 views | 16 | 16 | $27 | |
73030 |
X-ray of shoulder, minimum of 2 views | 14 | 14 | $27 | |
72100 |
X-ray of lower and sacral spine, 2-3 views | 12 | 12 | $33 |
In context: peer comparison
Among 118 peers in this city , average services per provider: 87. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$31
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Organogenesis Inc. | 2 | $31.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
44
Patients
41
Total drug cost
$151
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Meloxicam | Generic | 31 | 28 | $57 |
| Methylprednisolone | Generic | 13 | 13 | $94 |
Frequently asked questions
What is Dr. Mary Johnson's medical specialty?
Dr. Mary Johnson practices Physician Assistant in Saint Louis, MO.
Where does Dr. Mary Johnson practice?
Dr. Mary Johnson practices at 1040 N Mason RD, Saint Louis, MO 631416399. Office phone: 3144697246.
What is Dr. Mary Johnson's NPI?
Dr. Mary Johnson's National Provider Identifier (NPI) is 1992944904, issued by NPPES.
Does Dr. Mary Johnson accept Medicare assignment?
Yes. Dr. Mary Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Johnson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); X-ray of knee, 4 or more views (HCPCS 73564). Source: CMS Medicare Physician & Other Practitioners file.