Doctor profile · Federal record
Dr. Douglas Chang, M.D.
Neurology Physician (CMS: Neurology) · Foothill Ranch, CA
- NPI 1295766889
- Accepts Medicare
- 50 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
26730 Towne Centre Dr, Suite 202
Foothill Ranch, CA 926102842
(949) 600-7887
fax (949) 600-7889
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- California #G63764
- Medicaid
- CA #00G637640
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295766889. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
329
Distinct HCPCS
5
Medicare allowed
$30,495
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 161 | 72 | $83 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 92 | 82 | $137 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 42 | 38 | $60 | |
95822 |
Measurement of brain wave activity (eeg), in coma or asleep | 20 | 11 | $60 | |
95819 |
Measurement of brain wave activity (eeg), awake and asleep | 14 | 12 | $60 |
In context: peer comparison
Among 1 peers in Foothill Ranch Neurology Physician, average services per provider: 65. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $18.18 |
By nature of payment
Frequently asked questions
What is Dr. Douglas Chang's medical specialty?
Dr. Douglas Chang practices Neurology Physician in Foothill Ranch, CA.
Where does Dr. Douglas Chang practice?
Dr. Douglas Chang practices at 26730 Towne Centre Dr, Foothill Ranch, CA 926102842. Office phone: 9496007887.
What is Dr. Douglas Chang's NPI?
Dr. Douglas Chang's National Provider Identifier (NPI) is 1295766889, issued by NPPES.
Does Dr. Douglas Chang accept Medicare assignment?
Yes. Dr. Douglas Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Measurement of brain wave activity (eeg), awake and drowsy (HCPCS 95816). Source: CMS Medicare Physician & Other Practitioners file.