Doctor profile · Federal record
Dr. Helen Hwang, MD
Neurology Physician (CMS: Neurology) · Saint Louis, MO
- NPI 1427408178
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4921 Parkview Pl, Div Neurology Movement Disorders, 7Th Fl
Saint Louis, MO 631101032
(314) 362-6908
fax (314) 747-3258 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Missouri #2020016524
- Medicaid
- MO #200058499
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427408178. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,742
Distinct HCPCS
4
Medicare allowed
$40,155
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0585 |
Injection, onabotulinumtoxina, 1 unit | 4,600 | 11 | $5 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 87 | 80 | $126 | |
96138 |
Administration of psychological or neuropsychological test by technician, first 30 minutes | 37 | 37 | $33 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $159 |
In context: peer comparison
Among 66 peers in this city , average services per provider: 431. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
863
Patients
210
Total drug cost
$66,940
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 371 | 122 | $40,403 |
| Carbidopa-Levodopa Er (Carbidopa/Levodopa) | Brand | 88 | 29 | $4,535 |
| Mirtazapine | Generic | 84 | 19 | $3,203 |
| Clonazepam | Generic | 46 | 12 | $430 |
| Primidone | Generic | 42 | 0 | $1,156 |
| Gabapentin | Generic | 39 | 16 | $810 |
| Quetiapine Fumarate | Generic | 38 | 12 | $1,986 |
| Ropinirole Hcl | Generic | 38 | 0 | $1,428 |
| Amantadine (Amantadine Hcl) | Brand | 29 | 0 | $3,241 |
| Fluoxetine Hcl | Generic | 17 | 0 | $745 |
Hospital affiliations
Frequently asked questions
What is Dr. Helen Hwang's medical specialty?
Dr. Helen Hwang practices Neurology Physician in Saint Louis, MO.
Where does Dr. Helen Hwang practice?
Dr. Helen Hwang practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 3143626908.
What is Dr. Helen Hwang's NPI?
Dr. Helen Hwang's National Provider Identifier (NPI) is 1427408178, issued by NPPES.
Does Dr. Helen Hwang accept Medicare assignment?
Yes. Dr. Helen Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Helen Hwang commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Established patient office or other outpatient visit (HCPCS 99214); Administration of psychological or neuropsychological test by technician (HCPCS 96138). Source: CMS Medicare Physician & Other Practitioners file.