Doctor profile · Federal record
Dr. Ihong Chen, MD
Internal Medicine Physician (CMS: Internal Medicine) · Fountain Valley, CA
- NPI 1104822535
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18035 Brookhurst Street, Suite 2100
Fountain Valley, CA 92708
(657) 241-9090 - Mailing address
-
17360 Brookhurst St, Attn: McMf - Credentialing Department
Fountain Valley, CA 927083720
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- October 10, 2016
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A49721
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104822535. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
627
Distinct HCPCS
10
Medicare allowed
$36,810
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 197 | 103 | $109 | |
36415 |
Insertion of needle into vein for collection of blood sample | 154 | 96 | $6 | |
99497 |
Advance care planning, first 30 minutes | 79 | 79 | $28 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 55 | 55 | $55 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 39 | 39 | $21 | |
G0008 |
Administration of influenza virus vaccine | 23 | 23 | $34 | |
90662 |
Influenza vaccine split virus, preservative free | 19 | 19 | $72 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 16 | $73 | |
71046 |
X-ray of chest, 2 views | 16 | 15 | $39 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $183 |
In context: peer comparison
Among 36 peers in Fountain Valley Internal Medicine Physician, average services per provider: 345. This provider delivers 1.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,320
Patients
1,039
Total drug cost
$60,773
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 686 | 210 | $11,613 |
| Atorvastatin Calcium | Generic | 570 | 173 | $9,215 |
| Amlodipine Besylate | Generic | 525 | 157 | $4,990 |
| Levothyroxine Sodium | Generic | 213 | 70 | $4,543 |
| Metoprolol Succinate | Generic | 208 | 60 | $5,833 |
| Rosuvastatin Calcium | Generic | 144 | 47 | $6,398 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 142 | 46 | $4,810 |
| Famotidine | Generic | 127 | 49 | $2,365 |
| Pantoprazole Sodium | Generic | 117 | 30 | $1,672 |
| Omeprazole | Generic | 112 | 36 | $2,089 |
Hospital affiliations
Frequently asked questions
What is Dr. Ihong Chen's medical specialty?
Dr. Ihong Chen practices Internal Medicine Physician in Fountain Valley, CA.
Where does Dr. Ihong Chen practice?
Dr. Ihong Chen practices at 18035 Brookhurst Street, Fountain Valley, CA 92708. Office phone: 6572419090.
What is Dr. Ihong Chen's NPI?
Dr. Ihong Chen's National Provider Identifier (NPI) is 1104822535, issued by NPPES.
Does Dr. Ihong Chen accept Medicare assignment?
Yes. Dr. Ihong Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ihong Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.