Doctor profile · Federal record
Dr. Hichang Choi, MD
Internal Medicine Physician (CMS: Internal Medicine) · Los Alamitos, CA
- NPI 1245308238
- 27 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4336 Katella Ave
Los Alamitos, CA 907203564
(562) 799-6000
fax (562) 799-6001
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- September 16, 2010
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A75490
- Medicaid
- CA #00A754900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245308238. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
349
Distinct HCPCS
4
Medicare allowed
$35,742
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 112 | 55 | $93 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 88 | 52 | $185 | |
36415 |
Insertion of needle into vein for collection of blood sample | 86 | 46 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 63 | 41 | $132 |
In context: peer comparison
Among 14 peers in Los Alamitos Internal Medicine Physician, average services per provider: 139. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$288
Transactions
13
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 3 | $54.58 | |
| Novartis Pharmaceuticals Corporation | 2 | $54.53 | |
| Incyte Corporation | 2 | $43.12 | |
| Daiichi Sankyo INC. | 2 | $43.10 | |
| Janssen Biotech, INC. | 2 | $37.08 | |
| Alexion Pharmaceuticals, INC. | 1 | $30.52 | |
| Genentech USA, INC. | 1 | $25.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,507
Patients
677
Total drug cost
$45,060
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 475 | 121 | $8,127 |
| Amlodipine Besylate | Generic | 281 | 70 | $4,502 |
| Losartan Potassium | Generic | 223 | 56 | $4,567 |
| Metformin Hcl | Generic | 215 | 59 | $3,103 |
| Hydrochlorothiazide | Generic | 163 | 47 | $1,156 |
| Meloxicam | Generic | 161 | 54 | $1,496 |
| Levothyroxine Sodium | Generic | 134 | 32 | $2,666 |
| Alendronate Sodium | Generic | 128 | 27 | $1,436 |
| Omeprazole | Generic | 122 | 42 | $2,319 |
| Rosuvastatin Calcium | Generic | 116 | 40 | $3,726 |
Frequently asked questions
What is Dr. Hichang Choi's medical specialty?
Dr. Hichang Choi practices Internal Medicine Physician in Los Alamitos, CA.
Where does Dr. Hichang Choi practice?
Dr. Hichang Choi practices at 4336 Katella Ave, Los Alamitos, CA 907203564. Office phone: 5627996000.
What is Dr. Hichang Choi's NPI?
Dr. Hichang Choi's National Provider Identifier (NPI) is 1245308238, issued by NPPES.
Does Dr. Hichang Choi accept Medicare assignment?
Dr. Hichang Choi does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Hichang Choi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.