Quick answers
- Does Erin Holland-Wolf accept Medicare assignment?
- Yes. Medicare's clinician data says Erin Holland-Wolf accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Erin Holland-Wolf see?
- In 2024, CMS data shows 144 Original Medicare patients and 387 services for Erin Holland-Wolf. This counts Original Medicare only and measures volume, not quality.
- What is Erin Holland-Wolf's NPI number?
- 1194368134. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Erin Holland-Wolf, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 144 |
|---|---|
| Services billed to Medicare | 387 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)226 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)63 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)48 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)36 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Ischemic heart disease57%
- Heart failure52%
- Atrial fibrillation46%
Hospitals where Erin Holland-Wolf works
Medicare's Facility Affiliation Data lists Erin Holland-Wolf at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cascade Valley HospitalArlington, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500060
- Prov Sacred HRT Medical Center & Childs HospitalSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500054
- Skagit Valley HospitalMount Vernon, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500003
Practice locations
Addresses where Erin Holland-Wolf is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 101 W 8th AveSpokane, WA 99204 (509) 474‑3131
- 1415 E Kincaid StMount Vernon, WA 98274 (360) 424‑4111
- 1460 G StSpringfield, OR 97477 (541) 726‑4400
- 1700 13th StEverett, WA 98201 (425) 261‑2000
- 300 Hospital PkwyMount Vernon, WA 98274 (360) 814‑2592
Group practices
Medicare enrollment lists Erin Holland-Wolf as a member of these groups (CMS data updated October 2, 2026).
- Galen Inpatient Physicians PC1,077 clinicians in the group
- Providence Health and Services Washington784 clinicians in the group
- South Sound Inpatient Physicians PLLC422 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Spokane
Clinicians with the same Medicare primary specialty in Spokane, WA — not a recommendation.
Other clinicians in Galen Inpatient Physicians PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194368134 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians