Quick answers
- Does Maria Bertagnolli accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Bertagnolli 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 Maria Bertagnolli see?
- In 2024, CMS data shows 771 Original Medicare patients and 4,488 services for Maria Bertagnolli. This counts Original Medicare only and measures volume, not quality.
- What is Maria Bertagnolli's NPI number?
- 1932424959. 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 Maria Bertagnolli, 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 | 771 |
|---|---|
| Services billed to Medicare | 4,488 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,831 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)898 services
- Destruction of precancer skin growth, 1 growth (17000)521 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)382 services
- Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm (11301)276 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 cholesterol74%
- High blood pressure57%
- Arthritis43%
- Osteoporosis22%
- Ischemic heart disease19%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
Practice locations
Addresses where Maria Bertagnolli is enrolled with Medicare (CMS data updated October 2, 2026).
- 3301 New Mexico Ave NW, Suite 210Washington, DC 20016 (202) 363‑9600
Group practices
Medicare enrollment lists Maria Bertagnolli as a member of this group (CMS data updated October 2, 2026).
- Georgetown Dermatology PLLC3 clinicians in the group
Specialties
- Nurse Practitionerprimary
Find other clinicians: Nurse Practitioner, District of Columbia →
Other nurse practitioners in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Other clinicians in Georgetown Dermatology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | Marymount University |
| Graduation year | 1972 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932424959 |
| 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