Quick answers
- Does Maria Regina Oakes accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Regina Oakes 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 Regina Oakes see?
- In 2024, CMS data shows 260 Original Medicare patients and 379 services for Maria Regina Oakes. This counts Original Medicare only and measures volume, not quality.
- What is Maria Regina Oakes's NPI number?
- 1275588410. 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 Regina Oakes, 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 | 260 |
|---|---|
| Services billed to Medicare | 379 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)134 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)87 services
- Emergency department visit with moderate level of medical decision making (99284)81 services
- Critical care, first 30-74 minutes (99291)41 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 pressure71%
- High cholesterol68%
- Arthritis54%
- Ischemic heart disease35%
- Anxiety34%
- Depression32%
Hospitals where Maria Regina Oakes works
Medicare's Facility Affiliation Data lists Maria Regina Oakes 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.
- Boulder Community HealthBoulder, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060027
- Intermountain Health Platte Valley HospitalBrighton, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060004
- Island HospitalAnacortes, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500007
Practice locations
Addresses where Maria Regina Oakes is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 W S Boulder RdLafayette, CO 80026 (303) 666‑4357
- 1211 24th StAnacortes, WA 98221 (360) 299‑1300
- 1455 Battersby AveEnumclaw, WA 98022 (360) 825‑2505
- 1600 Prairie Ctr PkwyBrighton, CO 80601 (303) 498‑1999
- 4747 Arapahoe AveBoulder, CO 80303 (303) 415‑7000
Group practices
Medicare enrollment lists Maria Regina Oakes as a member of these groups (CMS data updated October 2, 2026).
- Northwest Emergency Physicians LLC271 clinicians in the group
- Brighton Community Emergency Physicians, Lpa14 clinicians in the group
- Boulder Emergency Physicians P.C.10 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lafayette
Clinicians with the same Medicare primary specialty in Lafayette, CO — not a recommendation.
Other clinicians in Northwest Emergency Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275588410 |
| 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