Doctor profile · Federal record
Dr. Hal Shimazu, MD
Family Medicine Physician (CMS: Family Practice) · Orange, CA
- NPI 1073682241
- Accepts Medicare
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
845 E Chapman Ave
Orange, CA 928661622
(714) 997-2899
fax (714) 289-7062 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- November 28, 2025
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G37057
- Medicaid
- CA #00G370570
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073682241. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
785
Distinct HCPCS
9
Medicare allowed
$72,739
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 206 | 178 | $139 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 183 | 183 | $20 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 95 | 95 | $140 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 90 | 71 | $98 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 78 | 78 | $178 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 75 | 75 | $20 | |
G0008 |
Administration of influenza virus vaccine | 24 | 24 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 23 | 23 | $69 | |
69210 |
Removal of impacted ear wax | 11 | 11 | $52 |
In context: peer comparison
Among 31 peers in Orange Family Medicine Physician, average services per provider: 226. This provider delivers 3.5× the peer median.Open Payments
Industry payments received
All-time total
$242
Transactions
12
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 3 | $55.11 | |
| Novo Nordisk INC | 2 | $37.41 | |
| Lilly USA, LLC | 1 | $27.79 | |
| Abbvie INC. | 1 | $27.12 | |
| Abiomed | 1 | $22.36 | |
| Merck Sharp & Dohme LLC | 1 | $20.05 | |
| Amgen INC. | 1 | $20.00 | |
| Pfizer INC. | 1 | $16.36 | |
| Edwards Lifesciences Corporation | 1 | $15.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,470
Patients
1,644
Total drug cost
$137,041
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 962 | 271 | $14,462 |
| Rosuvastatin Calcium | Generic | 668 | 206 | $34,637 |
| Losartan Potassium | Generic | 620 | 167 | $9,050 |
| Ezetimibe | Generic | 433 | 130 | $30,728 |
| Amlodipine Besylate | Generic | 389 | 108 | $3,284 |
| Levothyroxine Sodium | Generic | 308 | 91 | $7,043 |
| Tamsulosin Hcl | Generic | 300 | 87 | $6,725 |
| Omeprazole | Generic | 282 | 91 | $3,514 |
| Hydrochlorothiazide | Generic | 281 | 84 | $2,422 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 280 | 79 | $6,712 |
Hospital affiliations
Frequently asked questions
What is Dr. Hal Shimazu's medical specialty?
Dr. Hal Shimazu practices Family Medicine Physician in Orange, CA.
Where does Dr. Hal Shimazu practice?
Dr. Hal Shimazu practices at 845 E Chapman Ave, Orange, CA 928661622. Office phone: 7149972899.
What is Dr. Hal Shimazu's NPI?
Dr. Hal Shimazu's National Provider Identifier (NPI) is 1073682241, issued by NPPES.
Does Dr. Hal Shimazu accept Medicare assignment?
Yes. Dr. Hal Shimazu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hal Shimazu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual alcohol misuse screening, 5 to 15 minutes (HCPCS G0442); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.