Doctor profile · Federal record
Dr. Morris Chang, M.D.
Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Neurology) · Seattle, WA
- NPI 1164420428
- Accepts Medicare
- MIPS 82.8 / 100 · 2023
- 34 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
550 17Th Ave
Seattle, WA 981225788
(206) 386-4744
fax (206) 215-1135 - Mailing address
-
Po Box 25608
Salt Lake City, UT 841250608
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- May 18, 2021
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 2084S0012X — NUCC code
- State license (1)
- Washington #MD00036316
- Medicaid
- WA #8381014
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164420428. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
533
Distinct HCPCS
8
Medicare allowed
$63,827
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 214 | 187 | $99 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 73 | 73 | $178 | |
95810 |
Sleep study in sleep lab (6 years or older) | 69 | 69 | $127 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 50 | 46 | $139 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 48 | 48 | $131 | |
G0399 |
Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 37 | 37 | $58 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 27 | $143 | |
G0400 |
Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels | 13 | 12 | $99 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 53. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$160
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ZOLL Respicardia, Inc. | 2 | $76.12 | |
| Itamar Medical Inc | 2 | $60.05 | |
| JAZZ PHARMACEUTICALS INC. | 1 | $23.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
73
Patients
0
Total drug cost
$1,250
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 24 | 0 | $367 |
| Pramipexole Dihydrochloride (Pramipexole Di-Hcl) | Brand | 18 | 0 | $412 |
| Gabapentin | Generic | 17 | 0 | $234 |
| Tizanidine Hcl | Generic | 14 | 0 | $237 |
Hospital affiliations
Frequently asked questions
What is Dr. Morris Chang's medical specialty?
Dr. Morris Chang practices Sleep Medicine (Psychiatry & Neurology) Physician in Seattle, WA.
Where does Dr. Morris Chang practice?
Dr. Morris Chang practices at 550 17Th Ave, Seattle, WA 981225788. Office phone: 2063864744.
What is Dr. Morris Chang's NPI?
Dr. Morris Chang's National Provider Identifier (NPI) is 1164420428, issued by NPPES.
Does Dr. Morris Chang accept Medicare assignment?
Yes. Dr. Morris Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Morris Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Sleep study in sleep lab (6 years or older) (HCPCS 95810). Source: CMS Medicare Physician & Other Practitioners file.