Active NPI
Morris B Chang, M.D.
- Sleep Medicine (Psychiatry & Neurology) Physician
- Issaquah, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Sleep Medicine (Psychiatry & Neurology) Physician
- License
- MD00036316
- Practice address
- 751 NE Blakely Dr
Issaquah, WA 98029-6201 - Phone
- (206) 386-4744
- Fax
- (206) 215-1135
- NPI assigned
- Jul 11, 2005
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Sleep Medicine (Psychiatry & Neurology) Physician | 2084S0012X | MD00036316 | WA | Primary |
Addresses
Primary practice location
751 NE Blakely Dr
Issaquah, WA 98029-6201
Mailing address
PO Box 25608
Salt Lake City, UT 84125-0608
Phone (206) 320-4476
Other practice location 1
22220 Marine View Dr S Ste 200
Des Moines, WA 98198-6280
Phone (206) 778-8905
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 8381014 | Medicaid | WA |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mchang1041291@wm.providencedirect.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Neurology
- Education
- University of Kansas School of Med (KC/Wich/Sal), 1992
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
500 17TH Ave
Seattle, WA 98122-5711
Phone (206) 320-2000
747 Broadway
Seattle, WA 98122-4379
Phone (206) 386-6000
751 NE Blakely Dr
Issaquah, WA 98029-6201
910 N 10TH PL
Renton, WA 98057-5540
Phone (425) 391-5750
916 N 10TH PL
Renton, WA 98057-5540
Phone (425) 391-5750
Hospital & facility affiliations
- Swedish Issaquah
- Swedish Medical Center / Cherry Hill
- Swedish Edmonds Hospital
- Swedish Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 87.1 of 100
- Quality
- 84.53
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 72.46
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD00036316 | WA | MD | Sleep Medicine (Psychiatry & Neurology) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Swedish Health Services | Current | Accepting new patients | |
| Swedish Health Services | Current | Accepting new patients | |
| Swedish Health Services | Past | Accepting new patients |
Locations
7320 216th St SW
Ste 310
Edmonds, WA 98026
Phone (425) 673-3800
4700 Point Fosdick Dr
Ste 320
Gig Harbor, WA 98335
Phone (253) 853-2445
751 NE Blakely Dr
Issaquah, WA 98029
Phone (425) 313-4000
550 17th Ave
Fl A
Seattle, WA 98122
Phone (206) 386-2020
747 Broadway
Seattle, WA 98122
Phone (360) 658-2488
800 5th Ave
Ste 600
Seattle, WA 98104
Interoperability endpoints
- mchang1041291@wm.providencedirect.org
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Seattle, WA
- NPI 1689612954
-
- Family Medicine Physician
- Port Angeles, WA
- NPI 1427081967
-
- General Practice Physician
- Renton, WA
- NPI 1497129696
-
- Surgery Physician
- Seattle, WA
- NPI 1053368571
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Edmonds, WA
- NPI 1033107214
-
- General Acute Care Hospital
- Seattle, WA
- NPI 1306992151
-
- General Acute Care Hospital
- Seattle, WA
- NPI 1356496582
-
- General Acute Care Hospital
- Issaquah, WA
- NPI 1851686059
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1121040000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780876800000",
"number": "1164420428",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 25608",
"city": "SALT LAKE CITY",
"state": "UT",
"postal_code": "841250608",
"telephone_number": "206-320-4476",
"fax_number": "206-568-7043"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "751 NE BLAKELY DR",
"city": "ISSAQUAH",
"state": "WA",
"postal_code": "980296201",
"telephone_number": "206-386-4744",
"fax_number": "206-215-1135"
}
],
"practiceLocations": [
{
"address_1": "22220 Marine View Dr S Ste 200",
"address_purpose": "LOCATION",
"city": "Des Moines",
"state": "WA",
"postal_code": "981986280",
"country_code": "US",
"telephone_number": "206-778-8905",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHANG",
"first_name": "MORRIS",
"middle_name": "B",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2005-07-11",
"last_updated": "2026-06-08",
"certification_date": "2026-06-08",
"status": "A"
},
"taxonomies": [
{
"code": "2084S0012X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Sleep Medicine",
"state": "WA",
"license": "MD00036316",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "8381014",
"state": "WA"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "mchang1041291@wm.providencedirect.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "550 17th Ave",
"city": "Seattle",
"state": "WA",
"country_code": "US",
"postal_code": "981225788",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Issaquah, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.