Doctor profile · Federal record
Dr. Denise Ishimaru, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Torrance, CA
- NPI 1225219066
- Accepts Medicare
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20911 Earl St, Suite 220
Torrance, CA 905034352
(310) 540-9600
fax (310) 540-6282
Credentials & registration
- NPI registered
- November 2007 — 19 yrs on file
- Profile last updated
- November 30, 2021
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #A92469
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225219066. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
30
Distinct HCPCS
1
Medicare allowed
$1,316
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 30 | 30 | $44 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 35. This provider delivers 0.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
52
Patients
0
Total drug cost
$5,710
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 25 | 0 | $3,575 |
| Alendronate Sodium | Generic | 15 | 0 | $128 |
| Darifenacin Er (Darifenacin Hydrobromide) | Brand | 12 | 0 | $2,008 |
Frequently asked questions
What is Dr. Denise Ishimaru's medical specialty?
Dr. Denise Ishimaru practices Obstetrics & Gynecology Physician in Torrance, CA.
Where does Dr. Denise Ishimaru practice?
Dr. Denise Ishimaru practices at 20911 Earl St, Torrance, CA 905034352. Office phone: 3105409600.
What is Dr. Denise Ishimaru's NPI?
Dr. Denise Ishimaru's National Provider Identifier (NPI) is 1225219066, issued by NPPES.
Does Dr. Denise Ishimaru accept Medicare assignment?
Yes. Dr. Denise Ishimaru accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Denise Ishimaru commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.