Quick answers
- Does Demaretta S. Rush accept Medicare assignment?
- Yes. Medicare's clinician data says Demaretta S. Rush 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 Demaretta S. Rush see?
- In 2024, CMS data shows 555 Original Medicare patients and 1,718 services for Demaretta S. Rush. This counts Original Medicare only and measures volume, not quality.
- What is Demaretta S. Rush's NPI number?
- 1588607873. 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 Demaretta S. Rush, 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 | 555 |
|---|---|
| Services billed to Medicare | 1,718 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)847 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)192 services
- Evaluation of fine needle aspirate with interpretation and report (88173)166 services
- Cell examination of specimen, selective cellular enhancement technique (88112)138 services
- Special stained specimen slides to examine tissue, initial procedure (88342)99 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 blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease37%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)34%
- Chronic kidney disease33%
Hospitals where Demaretta S. Rush works
Medicare's Facility Affiliation Data lists Demaretta S. Rush at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Banner - University Medical Center Tucson CampusTucson, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030064
- Banner-University Medical Center South CampusTucson, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030111
- Tucson Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030006
Practice locations
Addresses where Demaretta S. Rush is enrolled with Medicare (CMS data updated October 2, 2026).
- 1625 N Campbell AveTucson, AZ 85719 (520) 694‑0111
- 2800 E Ajo WayTucson, AZ 85713
- 535 N Wilmot Rd, Suite 101Tucson, AZ 85711 (520) 694‑5437
Group practices
Medicare enrollment lists Demaretta S. Rush as a member of this group (CMS data updated October 2, 2026).
- Banner-University Medical Group1,072 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Other clinicians in Banner-University Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588607873 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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