Quick answers
- Does Maureen Fennell accept Medicare assignment?
- Yes. Medicare's clinician data says Maureen Fennell 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 Maureen Fennell see?
- In 2024, CMS data shows 1,424 Original Medicare patients and 2,687 services for Maureen Fennell. This counts Original Medicare only and measures volume, not quality.
- What is Maureen Fennell's NPI number?
- 1750343075. 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 Maureen Fennell, 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 | 1,424 |
|---|---|
| Services billed to Medicare | 2,687 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)884 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)475 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)396 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)277 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)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%
- Arthritis54%
- Ischemic heart disease47%
- Diabetes36%
- Chronic kidney disease35%
Hospitals where Maureen Fennell works
Medicare's Facility Affiliation Data lists Maureen Fennell 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.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210057
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
- Suburban HospitalBethesda, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210022
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009
Practice locations
Addresses where Maureen Fennell is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 14207 Park Ctr Dr, Suite 102Laurel, MD 20707 (301) 604‑5254
- 15005 Shady Grove Rd, Suite 340Rockville, MD 20850 (240) 238‑3760
- 4102 Wilson BlvdArlington, VA 22203 (703) 462‑1777
- 5255 Loughboro Rd NWWashington, DC 20016 (202) 537‑4000
- 6410 Rockledge Dr, Suite 200Bethesda, MD 20817 (301) 897‑5301
Group practices
Medicare enrollment lists Maureen Fennell as a member of this group (CMS data updated October 2, 2026).
- Johns Hopkins Community Physicians, Inc763 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Maryland →
Other cardiologists in Laurel
Clinicians with the same Medicare primary specialty in Laurel, MD — not a recommendation.
Other clinicians in Johns Hopkins Community Physicians, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750343075 |
| 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