Quick answers
- Does Maria R. Perez accept Medicare assignment?
- Yes. Medicare's clinician data says Maria R. Perez 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 Maria R. Perez see?
- In 2024, CMS data shows 50 Original Medicare patients and 66 services for Maria R. Perez. This counts Original Medicare only and measures volume, not quality.
- What is Maria R. Perez's NPI number?
- 1871204917. 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 Maria R. Perez, 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 | 50 |
|---|---|
| Services billed to Medicare | 66 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)27 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)12 services
- Emergency department visit with high level of medical decision making (99285)12 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 pressure68%
- High cholesterol60%
- Diabetes40%
- Arthritis40%
- Depression26%
- Ischemic heart disease22%
Hospitals where Maria R. Perez works
Medicare's Facility Affiliation Data lists Maria R. Perez 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.
- Yakima Valley MemorialYakima, WA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: not listed by Medicare · CCN 500036
Practice locations
Addresses where Maria R. Perez is enrolled with Medicare (CMS data updated October 2, 2026).
- 17 E Valley Mall BlvdUnion Gap, WA 98903 (509) 367‑8733
- 311 S L StTacoma, WA 98405
- 4700 Point Fosdick DrGig Harbor, WA 98335
Group practices
Medicare enrollment lists Maria R. Perez as a member of these groups (CMS data updated October 2, 2026).
- Multicare Health System2,325 clinicians in the group
- Kittitas Valley Urgent Care PLLC24 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Union Gap
Clinicians with the same Medicare primary specialty in Union Gap, WA — not a recommendation.
Other clinicians in Multicare Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871204917 |
| 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