Doctor profile · Federal record
Dr. Darren Shimabukuro, MD
Internal Medicine Physician (CMS: Internal Medicine) · Bellflower, CA
- NPI 1003983941
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9400 Rosecrans Ave
Bellflower, CA 907062246
(562) 461-3000
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 3, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G78953
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003983941. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,081
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99442 |
Telephone medical discussion with physician, 11-20 minutes | 11 | 11 | $98 |
In context: peer comparison
Among 10 peers in Bellflower Internal Medicine Physician, average services per provider: 85. This provider delivers 0.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
446
Patients
334
Total drug cost
$8,170
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mirtazapine | Generic | 56 | 37 | $1,174 |
| Gabapentin | Generic | 41 | 32 | $871 |
| Atorvastatin Calcium | Generic | 40 | 23 | $530 |
| Triamcinolone Acetonide | Generic | 37 | 32 | $1,597 |
| Cephalexin | Generic | 33 | 32 | $372 |
| Meloxicam | Generic | 30 | 27 | $192 |
| Omeprazole | Generic | 29 | 20 | $373 |
| Amlodipine Besylate | Generic | 26 | 18 | $328 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 25 | 23 | $320 |
| Furosemide | Generic | 24 | 19 | $287 |
Frequently asked questions
What is Dr. Darren Shimabukuro's medical specialty?
Dr. Darren Shimabukuro practices Internal Medicine Physician in Bellflower, CA.
Where does Dr. Darren Shimabukuro practice?
Dr. Darren Shimabukuro practices at 9400 Rosecrans Ave, Bellflower, CA 907062246. Office phone: 5624613000.
What is Dr. Darren Shimabukuro's NPI?
Dr. Darren Shimabukuro's National Provider Identifier (NPI) is 1003983941, issued by NPPES.
Does Dr. Darren Shimabukuro accept Medicare assignment?
Yes. Dr. Darren Shimabukuro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Shimabukuro commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.