Doctor profile · Federal record
Dr. Samuel Chang, MD
Family Medicine Physician (CMS: Family Practice) · Northridge, CA
- NPI 1952921827
- Accepts Medicare
- 6 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18460 Roscoe Blvd Fl 2
Northridge, CA 913254107
(818) 885-5480
fax (818) 993-1917 - Mailing address
-
3400 Data Dr
Rancho Cordova, CA 956707956
Credentials & registration
- NPI registered
- April 2020 — 6 yrs on file
- Profile last updated
- October 8, 2025
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A182920
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952921827. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
219
Distinct HCPCS
4
Medicare allowed
$27,953
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 118 | 41 | $132 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 53 | 20 | $88 | |
99239 |
Hospital discharge day management, more than 30 minutes | 25 | 24 | $129 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 23 | 23 | $193 |
In context: peer comparison
Among 14 peers in Northridge Family Medicine Physician, average services per provider: 107. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
77
Patients
0
Total drug cost
$2,159
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 24 | 0 | $508 |
| Atorvastatin Calcium | Generic | 16 | 0 | $621 |
| Rosuvastatin Calcium | Generic | 14 | 0 | $620 |
| Alendronate Sodium | Generic | 12 | 0 | $113 |
| Losartan Potassium | Generic | 11 | 0 | $296 |
Frequently asked questions
What is Dr. Samuel Chang's medical specialty?
Dr. Samuel Chang practices Family Medicine Physician in Northridge, CA.
Where does Dr. Samuel Chang practice?
Dr. Samuel Chang practices at 18460 Roscoe Blvd Fl 2, Northridge, CA 913254107. Office phone: 8188855480.
What is Dr. Samuel Chang's NPI?
Dr. Samuel Chang's National Provider Identifier (NPI) is 1952921827, issued by NPPES.
Does Dr. Samuel Chang accept Medicare assignment?
Yes. Dr. Samuel Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.