Doctor profile · Federal record
Dr. James McIlwaine, M.D.
Otolaryngology Physician (CMS: Otolaryngology) · Washington, MO
- NPI 1558352443
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
901 Patients First Dr
Washington, MO 630904700
(636) 390-1570
fax (636) 390-1571
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- January 23, 2012
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State license (1)
- Missouri #2002002082
- Medicaid
- MO #204576300
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558352443. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
316
Distinct HCPCS
8
Medicare allowed
$35,665
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 57 | 57 | $105 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 51 | 44 | $119 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 50 | 50 | $155 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 43 | 39 | $84 | |
69210 |
Removal of impacted ear wax | 40 | 31 | $44 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 35 | 30 | $118 | |
31231 |
Diagnostic exam of nasal passages using an endoscope | 29 | 26 | $171 | |
10005 |
Fine needle aspiration biopsy using ultrasound guidance, first growth | 11 | 11 | $126 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 39. This provider delivers 8.1× the peer median.Open Payments
Industry payments received
All-time total
$365
Transactions
13
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inspire Medical Systems, Inc. | 2 | $158.83 | |
| Regeneron Healthcare Solutions, Inc. | 4 | $71.95 | |
| GlaxoSmithKline, LLC. | 3 | $48.55 | |
| GENZYME CORPORATION | 3 | $44.01 | |
| Integra LifeSciences Corporation | 1 | $41.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
409
Patients
147
Total drug cost
$11,696
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 113 | 23 | $1,414 |
| Ipratropium Bromide | Generic | 91 | 30 | $4,183 |
| Omeprazole | Generic | 30 | 0 | $697 |
| Fluticasone Propionate | Generic | 22 | 12 | $270 |
| Azelastine Hcl | Generic | 20 | 11 | $736 |
| Diazepam | Generic | 17 | 0 | $156 |
| Famotidine | Generic | 17 | 0 | $215 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 17 | 17 | $148 |
| Cefdinir | Generic | 16 | 15 | $599 |
| Prednisone | Generic | 16 | 15 | $152 |
Hospital affiliations
Frequently asked questions
What is Dr. James McIlwaine's medical specialty?
Dr. James McIlwaine practices Otolaryngology Physician in Washington, MO.
Where does Dr. James McIlwaine practice?
Dr. James McIlwaine practices at 901 Patients First Dr, Washington, MO 630904700. Office phone: 6363901570.
What is Dr. James McIlwaine's NPI?
Dr. James McIlwaine's National Provider Identifier (NPI) is 1558352443, issued by NPPES.
Does Dr. James McIlwaine accept Medicare assignment?
Yes. Dr. James McIlwaine accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James McIlwaine commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.