Active NPI
Darren Charles Hollenbaugh, MD, FACC
- Cardiovascular Disease Physician
- Spokane Valley, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- MD-28796
- Practice address
- 16528 E Desmet CT Ste B3200
Spokane Valley, WA 99216-3522 - Phone
- (509) 455-8820
- Fax
- (509) 838-4978
- NPI assigned
- Jul 8, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | MD-28796 | WA | Primary |
Addresses
Primary practice location
16528 E Desmet CT Ste B3200
Spokane Valley, WA 99216-3522
Mailing address
PO Box 31001-4114
Pasadena, CA 91110-0001
Phone (866) 747-2455
Other practice location 1
62 W 7th Ave Ste 232
Spokane, WA 99204-2321
Phone (509) 455-8820
Other practice location 2
1215 N McDonald Rd
202
Spokane Valley, WA 99216-1048
Phone (509) 455-8820
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 060036861 | Other | WA | RRB |
| 8192718 | Medicaid | WA | |
| 0003152800 | Medicaid | ID |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | dhollenbaugh220230@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
- Cardiovascular Disease (Cardiology)
- Education
- University of Washington School of Medicine, 1989
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
143 Garden Homes Dr
Colville, WA 99114-9229
Phone (509) 455-8820
212 E Central Ave
Suite 240
Spokane, WA 99208-6597
Phone (509) 455-8820
62 W 7TH Ave
Spokane, WA 99204-2321
714 W Pine St
Newport, WA 99156-9046
Phone (509) 447-2441
808 Port Dr
Clarkston, WA 99403-6009
Phone (509) 455-8820
825 SE Bishop Blvd
Suite 140
Pullman, WA 99163-5517
Phone (509) 455-8820
Hospital & facility affiliations
- Prov Sacred HRT Med Ctr & Childs Hosp.
- Providence Holy Family Hospital
- Providence Mount Carmel Hospital
- Samaritan Hospital
- Newport Community Hospital
- Providence St Luke'S Rehabilitation Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD-28796 | WA | MD | Cardiovascular Disease Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Tri-State Memorial Hospital | Current | Accepting new patients | |
| Providence Health & Services-Wa | Past | Accepting new patients | |
| Providence Health & Services - Wa | Past | Accepting new patients | |
| Tri-State Memorial Hospital | Past | Accepting new patients |
Locations
1221 Highland Ave
Clarkston, WA 99403
Phone (509) 751-0312
Interoperability endpoints
- dhollenbaugh220230@wm.providencedirect.org
Organizations & group practices 5
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.
-
- Cardiovascular Disease Physician
- Spokane, WA
- NPI 1881907715
-
- Critical Access Hospital
- Clarkston, WA
- NPI 1760485221
-
- General Acute Care Hospital
- Spokane, WA
- NPI 1144471715
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Spokane, WA
- NPI 1538311287
-
- Critical Access Hospital
- Clarkston, WA
- NPI 1598814352
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Moses Lake, WA
- NPI 1902818883
-
- Critical Access Hospital
- Newport, WA
- NPI 1780778423
-
- General Acute Care Hospital
- Spokane, WA
- NPI 1144471715
-
- Critical Access Hospital
- Colville, WA
- NPI 1003067679
-
- General Acute Care Hospital
- Spokane, WA
- NPI 1225289895
-
- Rehabilitation Hospital
- Spokane, WA
- NPI 1497752091
Inpatient rehabilitation facility
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152316800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773964800000",
"number": "1861425571",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 31001-4114",
"city": "PASADENA",
"state": "CA",
"postal_code": "911100001",
"telephone_number": "866-747-2455"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16528 E DESMET CT STE B3200",
"city": "SPOKANE VALLEY",
"state": "WA",
"postal_code": "992163522",
"telephone_number": "509-455-8820",
"fax_number": "509-838-4978"
}
],
"practiceLocations": [
{
"address_1": "62 W 7th Ave Ste 232",
"address_purpose": "LOCATION",
"city": "Spokane",
"state": "WA",
"postal_code": "992042321",
"country_code": "US",
"telephone_number": "509-455-8820",
"fax_number": "509-838-4978",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1215 N McDonald Rd",
"address_2": "202",
"address_purpose": "LOCATION",
"city": "Spokane Valley",
"state": "WA",
"postal_code": "992161048",
"country_code": "US",
"telephone_number": "509-455-8820",
"fax_number": "509-838-4978",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HOLLENBAUGH",
"first_name": "DARREN",
"middle_name": "CHARLES",
"credential": "MD, FACC",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-08",
"last_updated": "2026-03-20",
"certification_date": "2026-03-20",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "WA",
"license": "MD-28796",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RRB",
"identifier": "060036861",
"state": "WA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "8192718",
"state": "WA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0003152800",
"state": "ID"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "dhollenbaugh220230@wm.providencedirect.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "62 W 7th Ave Ste 232",
"city": "Spokane",
"state": "WA",
"country_code": "US",
"postal_code": "992042321",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Spokane Valley, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 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.