Quick answers
- Does Anna-Karina Marco accept Medicare assignment?
- Yes. Medicare's clinician data says Anna-Karina Marco 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 Anna-Karina Marco see?
- In 2024, CMS data shows 89 Original Medicare patients and 319 services for Anna-Karina Marco. This counts Original Medicare only and measures volume, not quality.
- What is Anna-Karina Marco's NPI number?
- 1992316566. 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 Anna-Karina Marco, 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 | 89 |
|---|---|
| Services billed to Medicare | 319 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)113 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)41 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)31 services
- Trimming of dystrophic nails, any number (G0127)26 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 cholesterol73%
- High blood pressure72%
- Diabetes44%
- Chronic kidney disease38%
- Arthritis33%
- Depression26%
Practice locations
Addresses where Anna-Karina Marco is enrolled with Medicare (CMS data updated October 2, 2026).
- 1460 W Valencia RdTucson, AZ 85746 (520) 573‑0966
- 5830 N 19th AvePhoenix, AZ 85015 (602) 336‑1966
Group practices
Medicare enrollment lists Anna-Karina Marco as a member of this group (CMS data updated October 2, 2026).
- Greater Phoenix Collaborative Care PC107 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 Greater Phoenix Collaborative Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992316566 |
| 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