Doctor profile · Federal record
Dr. Marilyn Maxwell, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Saint Louis, MO
- NPI 1144233164
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 45 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3660 Vista Ave
Saint Louis, MO 631102540
(314) 977-6100
fax (314) 977-6137 - Mailing address
-
3691 Rutger St, Provider Enrollment
Saint Louis, MO 631102515
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 30, 2009
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #R1D74
- Medicaid
- MO #202218012
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144233164. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
65
Distinct HCPCS
3
Medicare allowed
$6,191
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 28 | 25 | $96 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 16 | $126 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 16 | $62 |
In context: peer comparison
Among 216 peers in this city , average services per provider: 171. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
268
Patients
67
Total drug cost
$3,450
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 53 | 28 | $349 |
| Atorvastatin Calcium | Generic | 31 | 16 | $339 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 29 | 11 | $790 |
| Lisinopril | Generic | 27 | 12 | $304 |
| Losartan Potassium | Generic | 19 | 0 | $192 |
| Pantoprazole Sodium | Generic | 19 | 0 | $326 |
| Hydrochlorothiazide | Generic | 18 | 0 | $76 |
| Tramadol Hcl | Generic | 16 | 0 | $119 |
| Fluticasone Propionate | Generic | 12 | 0 | $149 |
| Cyclobenzaprine Hcl | Generic | 11 | 0 | $61 |
Hospital affiliations
Frequently asked questions
What is Dr. Marilyn Maxwell's medical specialty?
Dr. Marilyn Maxwell practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Marilyn Maxwell practice?
Dr. Marilyn Maxwell practices at 3660 Vista Ave, Saint Louis, MO 631102540. Office phone: 3149776100.
What is Dr. Marilyn Maxwell's NPI?
Dr. Marilyn Maxwell's National Provider Identifier (NPI) is 1144233164, issued by NPPES.
Does Dr. Marilyn Maxwell accept Medicare assignment?
Yes. Dr. Marilyn Maxwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marilyn Maxwell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.