Quick answers
- Does Zaineb H. Makhzoumi accept Medicare assignment?
- Yes. Medicare's clinician data says Zaineb H. Makhzoumi 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 Zaineb H. Makhzoumi see?
- In 2024, CMS data shows 832 Original Medicare patients and 3,864 services for Zaineb H. Makhzoumi. This counts Original Medicare only and measures volume, not quality.
- What is Zaineb H. Makhzoumi's NPI number?
- 1407014913. 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 Zaineb H. Makhzoumi, 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 | 832 |
|---|---|
| Services billed to Medicare | 3,864 |
| Different services or procedures | 66 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)741 services
- Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (17311)552 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)455 services
- Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (17312)397 services
- Destruction of precancer skin growth, 1 growth (17000)297 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%
- Arthritis45%
- Ischemic heart disease27%
- Diabetes23%
- Chronic kidney disease21%
Practice locations
Addresses where Zaineb H. Makhzoumi is enrolled with Medicare (CMS data updated October 2, 2026).
- 22 S Green StBaltimore, MD 21201 (410) 328‑8664
- 419 W Redwood St, Suite 160Baltimore, MD 21201 (410) 238‑8025
- 5890 Waterloo RdColumbia, MD 21045 (667) 217‑1171
Group practices
Medicare enrollment lists Zaineb H. Makhzoumi as a member of this group (CMS data updated October 2, 2026).
- University of Maryland Dermatologists PA17 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in University of Maryland Dermatologists PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407014913 |
| 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