Quick answers
- Does Kerina Mariana accept Medicare assignment?
- Yes. Medicare's clinician data says Kerina Mariana 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 Kerina Mariana see?
- In 2024, CMS data shows 102 Original Medicare patients and 413 services for Kerina Mariana. This counts Original Medicare only and measures volume, not quality.
- What is Kerina Mariana's NPI number?
- 1578294559. 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 Kerina Mariana, 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 | 102 |
|---|---|
| Services billed to Medicare | 413 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)134 services
- Insertion of needle into vein for collection of blood sample (36415)83 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)45 services
- Hemoglobin a1c level (83036)31 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)15 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 pressure71%
- Arthritis41%
- Ischemic heart disease29%
- Depression29%
- Anxiety26%
Practice locations
Addresses where Kerina Mariana is enrolled with Medicare (CMS data updated October 2, 2026).
- 4892 N Stone Ave, Suite 100Tucson, AZ 85704 (520) 396‑1360
Group practices
Medicare enrollment lists Kerina Mariana as a member of this group (CMS data updated October 2, 2026).
- Tucson Physician Group Holdings LLC201 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Other clinicians in Tucson Physician Group Holdings LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578294559 |
| 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