Active NPI
Alexander Katz
- Internal Medicine Physician
- Everett, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- MD61140399
- Practice address
- 1321 Colby Ave FL 3
Everett, WA 98201-1665 - Phone
- (425) 261-2000
- Fax
- (425) 261-4078
- NPI assigned
- Mar 19, 2017
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 321861 | LA | |
| Internal Medicine Physician | 207R00000X | MD61140399 | WA | Primary |
| Hospitalist Physician | 208M00000X | 321861 | LA |
Addresses
Primary practice location
1321 Colby Ave FL 3
Everett, WA 98201-1665
Mailing address
7600 Evergreen Way
Everett, WA 98203-6421
Phone (206) 860-5414
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | akatz1749944@wm.providencedirect.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in LA, WA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20200805002873 | LA | Practitioner - Hospitalist | 5294150421 | Reassigns benefits to 1 organization |
| I20210715001283 | WA | Practitioner - Internal Medicine | 5294150421 | Reassigns benefits to 2 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Medical College of Wisconsin, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Providence Health and Services- Washington
Practice addresses (Care Compare)
1321 Colby Ave
Everett, WA 98201-1665
Phone (425) 261-2000
Hospital & facility affiliations
- Providence Regional Medical Center Everett
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Administrators of the Tulane Educational Fund | Current | Accepting new patients | |
| Optum Care Washington PLLC | Internal Medicine | Current | Accepting new patients |
| Providence Health & Services- Washington | Current | Accepting new patients | |
| Optum Care Washington PLLC | Internal Medicine | Current | Accepting new patients |
| Providence Health & Services - Washington | Internal Medicine | Current | Accepting new patients |
| Administrators of the Tulane Educational Fund | Current | Accepting new patients | |
| Providence Health & Services-Wa | Past | Accepting new patients |
Locations
1415 Tulane Ave
New Orleans, LA 70112
Phone (504) 588-2300
2000 Canal St
New Orleans, LA 70112
Phone (504) 702-2287
1430 Tulane Ave
#50
New Orleans, LA 70112
Phone (504) 988-1332
1430 Tulane Ave
#8016
New Orleans, LA 70112
Phone (504) 988-1332
1330 Rockefeller Ave
Everett, WA 98201
Phone (425) 258-3903
1321 Colby Ave
Everett, WA 98201
Phone (425) 259-4413
1700 13th St
Everett, WA 98201
Phone (425) 252-0895
1321 Colby Ave
Fl 3
Everett, WA 98201
4112 Harbour Pointe Blvd SW
Ste 100
Mukilteo, WA 98275
Phone (425) 347-6330
1201 N 175th St
Shoreline, WA 98133
Phone (425) 339-4299
Interoperability endpoints
- akatz1749944@wm.providencedirect.org
Organizations & group practices 7
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.
-
- Multi-Specialty Clinic/Center
- Everett, WA
- NPI 1831186766
Internal Medicine, WA
-
- Durable Medical Equipment & Medical Supplies
- Marysville, WA
- NPI 1194428425
Internal Medicine
-
- Family Medicine Physician
- Snohomish, WA
- NPI 1982855375
Internal Medicine
-
- Specialist
- Hattiesburg, MS
- NPI 1033395298
-
- General Acute Care Hospital
- Everett, WA
- NPI 1700037801
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1489881600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783468800000",
"number": "1295276558",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7600 EVERGREEN WAY",
"city": "EVERETT",
"state": "WA",
"postal_code": "982036421",
"telephone_number": "206-860-5414"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1321 COLBY AVE FL 3",
"city": "EVERETT",
"state": "WA",
"postal_code": "982011665",
"telephone_number": "425-261-2000",
"fax_number": "425-261-4078"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KATZ",
"first_name": "ALEXANDER",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-03-19",
"last_updated": "2026-07-08",
"certification_date": "2026-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "LA",
"license": "321861",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "WA",
"license": "MD61140399",
"primary": true
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "LA",
"license": "321861",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "akatz1749944@wm.providencedirect.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "1321 Colby Ave Fl 3",
"city": "Everett",
"state": "WA",
"country_code": "US",
"postal_code": "982011665",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Everett, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 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.