Quick answers
- Does Rachel M. Mast accept Medicare assignment?
- Yes. Medicare's clinician data says Rachel M. Mast 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 Rachel M. Mast see?
- In 2024, CMS data shows 120 Original Medicare patients and 246 services for Rachel M. Mast. This counts Original Medicare only and measures volume, not quality.
- What is Rachel M. Mast's NPI number?
- 1952552812. 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 Rachel M. Mast, 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 | 120 |
|---|---|
| Services billed to Medicare | 246 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)134 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)35 services
- Hospital discharge day management, 30 minutes or less (99238)26 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)15 services
- Hospital discharge day management, more than 30 minutes (99239)11 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%
- Arthritis65%
- Heart failure55%
- Anxiety54%
- Ischemic heart disease50%
Hospitals where Rachel M. Mast works
Medicare's Facility Affiliation Data lists Rachel M. Mast 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.
- Kettering Health DaytonDayton, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 360133
- Kettering Health Main CampusKettering, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360079
Practice locations
Addresses where Rachel M. Mast is enrolled with Medicare (CMS data updated October 2, 2026).
- 165 Edwin C Moses Blvd, Cassano Comm Hlth CtDayton, OH 45407 (937) 396‑8150
- 2633 Commons Blvd, Suite 120Beavercreek, OH 45431 (937) 429‑0607
Group practices
Medicare enrollment lists Rachel M. Mast as a member of these groups (CMS data updated October 2, 2026).
- Dayton Osteopathic Hospital36 clinicians in the group
- Internal Medicine Care, Inc8 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Dayton
Clinicians with the same Medicare primary specialty in Dayton, OH — not a recommendation.
Other clinicians in Dayton Osteopathic Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952552812 |
| 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