Doctor profile · Federal record
Dr. Ernest Ajax, MD
Neurology Physician (CMS: Neurology) · Specialist · Washington, IA
- NPI 1740256502
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 E Polk St
Washington, IA 523531237
(319) 863-2048
fax (319) 863-2049 - Mailing address
-
Po Box 909
Washington, IA 523530909
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- May 5, 2016
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Iowa #30503
- Medicaid
- IA #2126268
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740256502. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
52
Distinct HCPCS
1
Medicare allowed
$5,840
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0398 |
Home sleep study test (hst) with type ii portable monitor, unattended; minimum of 7 channels: eeg, eog, emg, ecg/heart rate, airflow, respiratory effort and oxygen saturation | 52 | 52 | $112 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 52. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$333
Transactions
21
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 15 | $194.44 | |
| EMD Serono, Inc. | 1 | $54.57 | |
| HARMONY BIOSCIENCES LLC | 2 | $43.13 | |
| Biogen, Inc. | 2 | $34.15 | |
| Harmony Biosciences Llc | 1 | $6.91 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,581
Patients
531
Total drug cost
$86,538
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 456 | 97 | $26,752 |
| Donepezil Hcl | Generic | 352 | 79 | $4,859 |
| Pramipexole Dihydrochloride (Pramipexole Di-Hcl) | Brand | 282 | 54 | $4,901 |
| Gabapentin | Generic | 260 | 48 | $6,548 |
| Memantine Hcl | Generic | 170 | 33 | $6,548 |
| Pregabalin | Generic | 148 | 31 | $5,774 |
| Levetiracetam | Generic | 143 | 30 | $7,125 |
| Propranolol Hcl Er (Propranolol Hcl) | Brand | 126 | 29 | $10,191 |
| Buspirone Hcl | Generic | 110 | 19 | $1,474 |
| Clonazepam | Generic | 110 | 22 | $1,346 |
Frequently asked questions
What is Dr. Ernest Ajax's medical specialty?
Dr. Ernest Ajax practices Neurology Physician in Washington, IA.
Where does Dr. Ernest Ajax practice?
Dr. Ernest Ajax practices at 400 E Polk St, Washington, IA 523531237. Office phone: 3198632048.
What is Dr. Ernest Ajax's NPI?
Dr. Ernest Ajax's National Provider Identifier (NPI) is 1740256502, issued by NPPES.
Does Dr. Ernest Ajax accept Medicare assignment?
Yes. Dr. Ernest Ajax accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ernest Ajax commonly perform?
Top Medicare-reported procedures in 2023: Home sleep study test (hst) with type ii portable monitor, unattended; minimum of 7 channels: eeg, eog, emg, ecg/heart rate, airflow, respiratory effort and oxygen saturation (HCPCS G0398). Source: CMS Medicare Physician & Other Practitioners file.