Quick answers
- Does Mario J. Zarama accept Medicare assignment?
- Yes. Medicare's clinician data says Mario J. Zarama 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 Mario J. Zarama see?
- In 2024, CMS data shows 296 Original Medicare patients and 984 services for Mario J. Zarama. This counts Original Medicare only and measures volume, not quality.
- What is Mario J. Zarama's NPI number?
- 1881611655. 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 Mario J. Zarama, 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 | 296 |
|---|---|
| Services billed to Medicare | 984 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)295 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)146 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)121 services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)112 services
- Home dialysis services per month (20 years or older) (90966)59 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%
- Chronic kidney disease75%
- Diabetes60%
- Heart failure57%
- Ischemic heart disease55%
Hospitals where Mario J. Zarama works
Medicare's Facility Affiliation Data lists Mario J. Zarama 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.
- Abbott Northwestern HospitalMinneapolis, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240057
- Allina United HospitalSaint Paul, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240038
- M Health Fairview St John's HospitalMaplewood, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240210
- M Health Fairview University of Minnesota Medical CenterMinneapolis, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240080
- Mercy HospitalCoon Rapids, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240115
Practice locations
Addresses where Mario J. Zarama is enrolled with Medicare (CMS data updated October 2, 2026).
- 2085 Rice StRoseville, MN 55113 (651) 489‑9035
- 3300 Oakdale Ave NRobbinsdale, MN 55422
- 6200 Shingle Creek Pkwy, Suite 250Brooklyn Center, MN 55430 (763) 544‑0696
Group practices
Medicare enrollment lists Mario J. Zarama as a member of these groups (CMS data updated October 2, 2026).
- North Memorial Health Care504 clinicians in the group
- Kidney Specialists of Minnesota, PA33 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Roseville
Clinicians with the same Medicare primary specialty in Roseville, MN — not a recommendation.
Other clinicians in North Memorial Health Care
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881611655 |
| 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