Liza A Ystaas, FNP-C
Individual provider Active NPI Family Nurse Practitioner · New Rockford, ND
NPI 1124646146 · NPPES record last updated Jun 9, 2026
Key facts
- NPI
- 1124646146
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Family Nurse Practitioner 363LF0000X
- License
- R34544 (ND)
- Practice address
- 107 13TH St N
New Rockford, ND 58356 - Phone
- (701) 947-2042
- Fax
- (701) 947-2041
- NPI assigned
- Jul 7, 2020
- Sex
- Female
- Sole proprietor
- No
Organizations & group practices 12
Hospital & facility affiliations 3
Medicare Care Compare profile
- Specialty
- Nurse Practitioner
- Education
- University of North Dakota School of Medicine, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Cooperstown Medical Center
McKenzie County Healthcare Systems Inc
Practice addresses (Care Compare)
107 12TH St S
Cooperstown, ND 58425-4501
Phone (701) 786-1700
117 2ND St W
Lakota, ND 58344-7320
Phone (701) 247-2227
1200 Roberts Ave NE
Cooperstown, ND 58425-7101
Phone (701) 797-2128
1542 16TH St W
Suite 300
Williston, ND 58801-3888
Phone (701) 577-6337
509 16TH St NE
Suite 3
Watford City, ND 58854-7628
Phone (701) 444-7814
709 4TH Ave NE
Watford City, ND 58854-7628
Phone (701) 842-3000
Hospital & facility affiliations
- Cooperstown Medical Center
- Carrington Health Center
- McKenzie County Healthcare Systems Inc
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in ND
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: No
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20240213004753 | ND | Practitioner - Nurse Practitioner | 5597182279 | Reassigns benefits to 3 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Nurse Practitioner
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| McKenzie County Healthcare Systems Inc | Current |
Accepting new patients | |
| Cooperstown Medical Center | Current |
Accepting new patients | |
| Cooperstown Medical Center | Current |
Accepting new patients | |
| James River Family Medicine, PLLC | Current | Accepting new patients | |
| McKenzie County Healthcare Systems Inc | Current |
Accepting new patients | |
| McKenzie County Healthcare Systems Inc | Past | Accepting new patients | |
| McKenzie County Healthcare Systems Inc | Past | Accepting new patients |
Locations
1200 Roberts Ave NE
Cooperstown, ND 58425
Phone (701) 797-2128
107 12th St S
Cooperstown, ND 58425
Phone (701) 786-1700
1002 18th Ave SE
Ste C
Minot, ND 58701
Phone (701) 857-6010
525 N Main St
Watford City, ND 58854
Phone (701) 842-3771
709 4th Ave NE
Watford City, ND 58854
Phone (701) 444-2331
1542 16th St W
Ste 300
Williston, ND 58801
Phone (701) 572-2470
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | R34544 | ND | Yes |
Addresses
Primary practice location
107 13TH St N
New Rockford, ND 58356
Mailing address
421 14TH St N
New Rockford, ND 58356-1103
Phone (701) 341-0740
Other practice location 1
709 4th Ave NE
Watford City, ND 58854-7628
Phone (701) 842-3771
Other providers in New Rockford, ND
- Michelle Pfeiffer
- Zachary Tomas Smith
- Georgianna Walker
- Kimberly Weber
- Bonnie Williams
- Melissa Ystaas
All providers in New Rockford, ND · Family Nurse Practitioner in North Dakota
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jun 9, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.