Doctor profile · Federal record
Dr. James Ashizawa, MD
Family Medicine Physician (CMS: Family Practice) · San Juan Capistrano, CA
- NPI 1588654123
- Accepts Medicare
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
31001 Rancho Viejo RD, Suite 200
San Juan Capistrano, CA 92675
(949) 661-9611
fax (949) 443-6200 - Mailing address
-
17360 Brookhurst St, Attn: McMf - Credentialing Department
Fountain Valley, CA 927083720
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- July 8, 2015
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A41984
- Medicaid
- CA #00A419840
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588654123. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
637
Distinct HCPCS
10
Medicare allowed
$32,362
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 189 | 103 | $6 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 150 | 87 | $98 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 147 | 87 | $79 | |
99497 |
Advance care planning, first 30 minutes | 26 | 26 | $50 | |
G0008 |
Administration of influenza virus vaccine | 25 | 25 | $34 | |
90686 |
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 23 | 23 | $22 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 21 | 18 | $16 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 16 | 16 | $55 | |
71046 |
X-ray of chest, 2 views | 14 | 13 | $39 | |
81002 |
Urinalysis, manual test | 13 | 11 | $3 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 56. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$79
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 2 | $53.18 | |
| Novo Nordisk Inc | 1 | $25.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,908
Patients
884
Total drug cost
$59,917
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 392 | 127 | $7,462 |
| Amlodipine Besylate | Generic | 332 | 94 | $3,247 |
| Levothyroxine Sodium | Generic | 318 | 82 | $6,571 |
| Losartan Potassium | Generic | 239 | 75 | $4,824 |
| Rosuvastatin Calcium | Generic | 211 | 80 | $11,442 |
| Pravastatin Sodium | Generic | 188 | 53 | $3,371 |
| Tamsulosin Hcl | Generic | 178 | 53 | $4,695 |
| Escitalopram Oxalate | Generic | 146 | 31 | $1,823 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 146 | 50 | $2,977 |
| Lisinopril | Generic | 134 | 46 | $1,377 |
Frequently asked questions
What is Dr. James Ashizawa's medical specialty?
Dr. James Ashizawa practices Family Medicine Physician in San Juan Capistrano, CA.
Where does Dr. James Ashizawa practice?
Dr. James Ashizawa practices at 31001 Rancho Viejo RD, San Juan Capistrano, CA 92675. Office phone: 9496619611.
What is Dr. James Ashizawa's NPI?
Dr. James Ashizawa's National Provider Identifier (NPI) is 1588654123, issued by NPPES.
Does Dr. James Ashizawa accept Medicare assignment?
Yes. Dr. James Ashizawa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Ashizawa commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.