Doctor profile · Federal record
Dr. Howard Nakashioya, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Newport Beach, CA
- NPI 1144284001
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
One Hoag Dr, Ecu Dept
Newport Beach, CA 926634162
(949) 764-5689
fax (405) 751-3183 - Mailing address
-
Po Box 720300
Oklahoma City, OK 731720300
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- September 20, 2012
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #G52805
- Medicaid (2)
- CA #00G528050670 · CA #00G528050
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144284001. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,169
Distinct HCPCS
4
Medicare allowed
$141,223
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 476 | 466 | $181 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 443 | 387 | $9 | |
99291 |
Critical care, first 30-74 minutes | 211 | 205 | $220 | |
99284 |
Emergency department visit with moderate level of medical decision making | 39 | 39 | $125 |
In context: peer comparison
Among 8 peers in Newport Beach Emergency Medicine Physician, average services per provider: 162. This provider delivers 7.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
225
Patients
214
Total drug cost
$1,493
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 85 | 82 | $558 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 76 | 72 | $271 |
| Cefdinir | Generic | 19 | 19 | $322 |
| Amlodipine Besylate | Generic | 17 | 14 | $55 |
| Potassium Chloride | Generic | 15 | 14 | $245 |
| Furosemide | Generic | 13 | 13 | $42 |
Hospital affiliations
Frequently asked questions
What is Dr. Howard Nakashioya's medical specialty?
Dr. Howard Nakashioya practices Emergency Medicine Physician in Newport Beach, CA.
Where does Dr. Howard Nakashioya practice?
Dr. Howard Nakashioya practices at One Hoag Dr, Newport Beach, CA 926634162. Office phone: 9497645689.
What is Dr. Howard Nakashioya's NPI?
Dr. Howard Nakashioya's National Provider Identifier (NPI) is 1144284001, issued by NPPES.
Does Dr. Howard Nakashioya accept Medicare assignment?
Yes. Dr. Howard Nakashioya accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Howard Nakashioya commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.