Quick answers
- Does Rachel Koester accept Medicare assignment?
- Yes. Medicare's clinician data says Rachel Koester 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 Koester see?
- In 2024, CMS data shows 146 Original Medicare patients and 310 services for Rachel Koester. This counts Original Medicare only and measures volume, not quality.
- What is Rachel Koester's NPI number?
- 1982385902. 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 Koester, 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 | 146 |
|---|---|
| Services billed to Medicare | 310 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)78 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)25 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)20 services
- Blood glucose (sugar) test performed by hand-held instrument (82962)17 services
- Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus (87637)17 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 cholesterol75%
- High blood pressure72%
- Arthritis58%
- Diabetes29%
- Anxiety23%
- Ischemic heart disease22%
Hospitals where Rachel Koester works
Medicare's Facility Affiliation Data lists Rachel Koester 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.
- University of MD Medical Center Midtown CampusBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210038
Practice locations
Addresses where Rachel Koester is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 11915 Georgia AveWheaton, MD 20902 (301) 942‑4505
- 12 Medstar BlvdBel Air, MD 21015 (410) 877‑8087
- 19777 Frederick RdGermantown, MD 20876 (240) 388‑9314
- 201 Shorebird St, Suite BFrederick, MD 21701 (240) 422‑8112
- 3064 Waldorf Market PlWaldorf, MD 20603 (301) 932‑5960
Group practices
Medicare enrollment lists Rachel Koester as a member of these groups (CMS data updated October 2, 2026).
- University of Maryland Physicians PA404 clinicians in the group
- MedStar Urgent Care LLC300 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Wheaton
Clinicians with the same Medicare primary specialty in Wheaton, MD — not a recommendation.
Other clinicians in University of Maryland Physicians PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982385902 |
| 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