Quick answers
- Does Mylissa A. Graber accept Medicare assignment?
- Yes. Medicare's clinician data says Mylissa A. Graber 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 Mylissa A. Graber see?
- In 2024, CMS data shows 990 Original Medicare patients and 1,384 services for Mylissa A. Graber. This counts Original Medicare only and measures volume, not quality.
- What is Mylissa A. Graber's NPI number?
- 1427044825. 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 Mylissa A. Graber, 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 | 990 |
|---|---|
| Services billed to Medicare | 1,384 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)780 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)322 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)156 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)112 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 pressure70%
- Arthritis53%
- Ischemic heart disease33%
- Anxiety30%
- Depression26%
Practice locations
Addresses where Mylissa A. Graber is enrolled with Medicare (CMS data updated October 2, 2026).
- 1425 S Congress AveDelray Beach, FL 33445 (561) 330‑9363
Group practices
Medicare enrollment lists Mylissa A. Graber as a member of this group (CMS data updated October 2, 2026).
- Dr GS Urgent Care LLC18 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Delray Beach
Clinicians with the same Medicare primary specialty in Delray Beach, FL — not a recommendation.
Other clinicians in Dr GS Urgent Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Florida College Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427044825 |
| 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