Quick answers
- Does Meagan M. Rizzo accept Medicare assignment?
- Yes. Medicare's clinician data says Meagan M. Rizzo 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 Meagan M. Rizzo see?
- In 2024, CMS data shows 618 Original Medicare patients and 1,773 services for Meagan M. Rizzo. This counts Original Medicare only and measures volume, not quality.
- What is Meagan M. Rizzo's NPI number?
- 1578658456. 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 Meagan M. Rizzo, 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 | 618 |
|---|---|
| Services billed to Medicare | 1,773 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)599 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)393 services
- Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment (99453)168 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)163 services
- Sleep study including heart rate, breathing, and sleep time (95800)152 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 pressure68%
- Arthritis57%
- Ischemic heart disease30%
- Diabetes25%
- Anxiety24%
Practice locations
Addresses where Meagan M. Rizzo is enrolled with Medicare (CMS data updated October 2, 2026).
- 4000 Mitchellville Rd, Suite B218Bowie, MD 20716 (301) 850‑6333
- 5454 Wisconsin Ave, Suite 1335Chevy Chase, MD 20815 (301) 654‑1575
Group practices
Medicare enrollment lists Meagan M. Rizzo as a member of these groups (CMS data updated October 2, 2026).
- Helene A. Emsellem, MD, PC3 clinicians in the group
- Riad Dakheel, M.D., P.A.3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Bowie
Clinicians with the same Medicare primary specialty in Bowie, MD — not a recommendation.
Other clinicians in Helene A. Emsellem, MD, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Uniformed Services Uhs Fe Hebert School Of Med |
| Graduation year | 2003 (23 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) | 1578658456 |
| 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
- 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