Active NPI
Timothy James Zerwic, OTD
- Hand Occupational Therapist
- Portland, OR
National Provider Identifier
1538699376
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hand Occupational Therapist
- License
- 379770
- Practice address
- 3550 N Interstate Ave
Portland, OR 97227-1196 - Phone
- (800) 813-2000
- NPI assigned
- Jun 14, 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 |
|---|---|---|---|---|
| Hand Occupational Therapist | 225XH1200X | 5667 | TN | |
| Occupational Therapist | 225X00000X | 379770 | OR | |
| Hand Occupational Therapist | 225XH1200X | 379770 | OR | Primary |
Addresses
Primary practice location
3550 N Interstate Ave
Portland, OR 97227-1196
Mailing address
500 NE Multnomah St Ste 100
Portland, OR 97232-2031
Phone (800) 813-2000
Other practice location 1
301 Fisher St
Keesler AFB, MS 39534-2508
Phone (228) 376-0446
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Tennessee Orthopaedic Alliance PA | Past | Accepting new patients |
Interoperability endpoints
- timothy.zerwic.p1@direct.toa.nextgenshare.com
- timothy.zerwic.p2@direct.toa.nextgenshare.com
- timothy.zerwic.p3@direct.toa.nextgenshare.com
Organizations & group practices 1
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.
-
- Orthopaedic Surgery Physician
- Nashville, TN
- NPI 1831183250
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1497398400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786406400000",
"number": "1538699376",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "500 NE MULTNOMAH ST STE 100",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972322031",
"telephone_number": "800-813-2000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3550 N INTERSTATE AVE",
"city": "PORTLAND",
"state": "OR",
"postal_code": "972271196",
"telephone_number": "800-813-2000"
}
],
"practiceLocations": [
{
"address_1": "301 Fisher St",
"address_purpose": "LOCATION",
"city": "Keesler AFB",
"state": "MS",
"postal_code": "395342508",
"country_code": "US",
"telephone_number": "228-376-0446",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ZERWIC",
"first_name": "TIMOTHY",
"middle_name": "JAMES",
"credential": "OTD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-06-14",
"last_updated": "2026-08-11",
"certification_date": "2026-08-11",
"status": "A"
},
"taxonomies": [
{
"code": "225XH1200X",
"taxonomy_group": "",
"desc": "Occupational Therapist, Hand",
"state": "TN",
"license": "5667",
"primary": false
},
{
"code": "225X00000X",
"taxonomy_group": "",
"desc": "Occupational Therapist",
"state": "OR",
"license": "379770",
"primary": false
},
{
"code": "225XH1200X",
"taxonomy_group": "",
"desc": "Occupational Therapist, Hand",
"state": "OR",
"license": "379770",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Portland, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.