Quick answers
- Does Melanie Marie C. Darcy accept Medicare assignment?
- Yes. Medicare's clinician data says Melanie Marie C. Darcy 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 Melanie Marie C. Darcy see?
- In 2024, CMS data shows 80 Original Medicare patients and 1,066 services for Melanie Marie C. Darcy. This counts Original Medicare only and measures volume, not quality.
- What is Melanie Marie C. Darcy's NPI number?
- 1144900374. 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 Melanie Marie C. Darcy, 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 | 80 |
|---|---|
| Services billed to Medicare | 1,066 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)900 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)33 services
- Urinalysis, manual test (81002)17 services
- Injection of drug or substance under skin or into muscle (96372)15 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)14 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 pressure60%
- Arthritis50%
- Osteoporosis25%
- Diabetes24%
- Depression19%
Practice locations
Addresses where Melanie Marie C. Darcy is enrolled with Medicare (CMS data updated October 2, 2026).
- 9900 S Rural RdTempe, AZ 85284 (480) 783‑6257
Group practices
Medicare enrollment lists Melanie Marie C. Darcy as a member of this group (CMS data updated October 2, 2026).
- The Little Clinic of Arizona LLC44 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Tempe
Clinicians with the same Medicare primary specialty in Tempe, AZ — not a recommendation.
Other clinicians in The Little Clinic of Arizona LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144900374 |
| 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