Active NPI
Todd Ramsey Wojtanowicz, MD
- Psychiatry Physician
- Billings, MT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- A158817
- Practice address
- 2800 10TH Ave N
Billings, MT 59101-0703 - Phone
- (406) 238-2500
- NPI assigned
- Mar 6, 2015
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | A158817 | CA | Primary |
| Psychiatry Physician | 2084P0800X | 98487 | MT |
Addresses
Primary practice location
2800 10TH Ave N
Billings, MT 59101-0703
Mailing address
PO Box 35100
Billings, MT 59107-5100
Phone (406) 238-2500
Other practice location 1
200 Hillmont Ave
Ventura, CA 93003-1647
Phone (805) 652-6729
Other practice location 2
300 Hillmont Ave
Ventura, CA 93003-1651
Phone (805) 652-6000
Other practice location 3
265 S Anita Dr Ste 102-104
Orange, CA 92868-3355
Phone (714) 410-3500
Other practice location 4
4411 E Kings Canyon Rd
Fresno, CA 93702-3604
Phone (559) 538-1727
Other practice location 5
301 Victoria St
Costa Mesa, CA 92627-1995
Phone (949) 642-2734
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | todd.wojtanowicz@ventura.cernerdirect.com | Direct | |
| Direct Messaging Address | twojtanowicz@billingsclinic.cernerdirect.com | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MT, CA, PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A158817 | CA | MD | Psychiatry Physician |
| 98487 | MT | MD | Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Billings Clinic | Single Specialty | Current | Accepting new patients |
| Geisinger Clinic | Single Specialty | Current | Accepting new patients |
| Alameda Health System | Single Specialty | Current | Accepting new patients |
| County of Butte | Single Specialty | Current | Accepting new patients |
| Billings Clinic | Current | Accepting new patients | |
| County of Butte | Current | Accepting new patients | |
| County of Ventura | Current | Accepting new patients | |
| County of Santa Clara | Single Specialty | Current | Accepting new patients |
| County of Ventura | Single Specialty | Current | Accepting new patients |
| County of Humboldt | Current | Accepting new patients | |
| Geisinger Clinic | Single Specialty | Current | Accepting new patients |
| Alameda Health System | Single Specialty | Current | Accepting new patients |
| Billings Clinic | Current | Accepting new patients | |
| County of Humboldt | Single Specialty | Current | Accepting new patients |
| County of Santa Clara | Current | Accepting new patients | |
| County of Humboldt | Single Specialty | Current | Accepting new patients |
| Alliance for Wellness, Inc. | Single Specialty | Current | Accepting new patients |
| County of Santa Clara | Current | Accepting new patients | |
| Geisinger Clinic | Current | Accepting new patients | |
| County of Butte | Current | Accepting new patients | |
| Billings Clinic | Single Specialty | Current | Accepting new patients |
| Tamika Henry MD Inc | Single Specialty | Past | Accepting new patients |
| Exodus Recovery, Inc. | Past | Accepting new patients |
Locations
2060 Fairmont Dr
Castro Valley, CA 94578
Phone (510) 346-1300
3217 Cohasset Rd
Cohasset, CA 95973
Phone (530) 552-4578
16260 Ventura Blvd
Ste 630
Encino, CA 91436
Phone (747) 264-9201
720 Wood St
Rm 309
Eureka, CA 95501
2355 23rd St
Eureka, CA 95501
Phone (747) 998-0387
720 Wood St
Eureka, CA 95501
Phone (707) 268-2900
7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400
995 Spruce St
Gridley, CA 95948
Phone (530) 846-7305
1411 E 31st St
Oakland, CA 94602
Phone (510) 437-4323
101 The City Dr S
Bldg 3
Orange, CA 92868
Phone (714) 456-5770
82 Table Mountain Blvd
Oroville, CA 95965
Phone (530) 538-7705
751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110
500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433
1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320
750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320
660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366
14850 Roscoe Blvd
Van Nuys, CA 91402
Phone (818) 787-2222
800 S Victoria Ave
#L4640
Ventura, CA 93009
200 Hillmont Ave
Ventura, CA 93003
Phone (805) 652-5755
300 Hillmont Ave
Ventura, CA 93003
Phone (805) 652-6000
2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290
2950 10th Ave N
Billings, MT 59101
Phone (406) 657-3901
100 N Academy Ave
Danville, PA 17822
Interoperability endpoints
- twojtanowicz@billingsclinic.cernerdirect.com
- twojtanowicz617910@hisp.ehr.sutterhealth.org
- twojtanowicz441448@direct.memorialcare.org
- twojtanowicz239632@santaclaravalley.direct-ci.net
Organizations & group practices 23
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.
-
- State or Local Public Health Clinic/Center
- Eureka, CA
- NPI 1871676213
Single Specialty
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- San Jose, CA
- NPI 1699885079
Single Specialty
-
- General Acute Care Hospital
- Billings, MT
- NPI 1265478291
-
- Physical Therapist
- Billings, MT
- NPI 1740630268
-
- Federally Qualified Health Center (FQHC)
- Newark, CA
- NPI 1497956288
Single Specialty
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1425600000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1760400000000",
"number": "1922491596",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 35100",
"city": "BILLINGS",
"state": "MT",
"postal_code": "591075100",
"telephone_number": "406-238-2500"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2800 10TH AVE N",
"city": "BILLINGS",
"state": "MT",
"postal_code": "591010703",
"telephone_number": "406-238-2500"
}
],
"practiceLocations": [
{
"address_1": "200 Hillmont Ave",
"address_purpose": "LOCATION",
"city": "Ventura",
"state": "CA",
"postal_code": "930031647",
"country_code": "US",
"telephone_number": "805-652-6729",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "300 Hillmont Ave",
"address_purpose": "LOCATION",
"city": "Ventura",
"state": "CA",
"postal_code": "930031651",
"country_code": "US",
"telephone_number": "805-652-6000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "265 S Anita Dr Ste 102-104",
"address_purpose": "LOCATION",
"city": "Orange",
"state": "CA",
"postal_code": "928683355",
"country_code": "US",
"telephone_number": "714-410-3500",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4411 E Kings Canyon Rd",
"address_purpose": "LOCATION",
"city": "Fresno",
"state": "CA",
"postal_code": "937023604",
"country_code": "US",
"telephone_number": "559-538-1727",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "301 Victoria St",
"address_purpose": "LOCATION",
"city": "Costa Mesa",
"state": "CA",
"postal_code": "926271995",
"country_code": "US",
"telephone_number": "949-642-2734",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WOJTANOWICZ",
"first_name": "TODD",
"middle_name": "RAMSEY",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2015-03-06",
"last_updated": "2025-10-14",
"certification_date": "2025-10-14",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "A158817",
"primary": true
},
{
"code": "2084P0800X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MT",
"license": "98487",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "todd.wojtanowicz@ventura.cernerdirect.com",
"affiliation": "N",
"endpointDescription": "Cerner Direct Secure Email",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "Direct Information",
"address_1": "200 Hillmont Ave",
"city": "Ventura",
"state": "CA",
"country_code": "US",
"postal_code": "930031647",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "twojtanowicz@billingsclinic.cernerdirect.com",
"affiliation": "N",
"endpointDescription": "direct email address",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "2800 10th Ave N",
"city": "Billings",
"state": "MT",
"country_code": "US",
"postal_code": "591010703",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Billings, MT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 2025; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.