Quick answers
- Does Susan M. Phelps accept Medicare assignment?
- Yes. Medicare's clinician data says Susan M. Phelps 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 Susan M. Phelps see?
- In 2024, CMS data shows 380 Original Medicare patients and 411 services for Susan M. Phelps. This counts Original Medicare only and measures volume, not quality.
- What is Susan M. Phelps's NPI number?
- 1649519539. 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 Susan M. Phelps, 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 | 380 |
|---|---|
| Services billed to Medicare | 411 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)312 services
- Critical care, first 30-74 minutes (99291)79 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%
- Arthritis64%
- Ischemic heart disease60%
- Diabetes55%
- Chronic kidney disease53%
Hospitals where Susan M. Phelps works
Medicare's Facility Affiliation Data lists Susan M. Phelps 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.
- Umd Upper Chesapeake Medical CenterBel Air, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210049
- University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210002
- University of MD Baltimore Washington Medical CenterGlen Burnie, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210043
- University of MD Capital Region Medical CenterUpper Marlboro, MD · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 210003
Practice locations
Addresses where Susan M. Phelps is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 Upper Chesapeake DrBel Air, MD 21014 (443) 643‑1000
- 660 McHenry RdAberdeen, MD 21001 (443) 843‑5000
Group practices
Medicare enrollment lists Susan M. Phelps as a member of these groups (CMS data updated October 2, 2026).
- Adfinitas Health at Upper Chesapeake LLC78 clinicians in the group
- Adfinitas Health at Upper Chesapeake Aberdeen LLC40 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Bel Air
Clinicians with the same Medicare primary specialty in Bel Air, MD — not a recommendation.
Other clinicians in Adfinitas Health at Upper Chesapeake LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649519539 |
| 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