Quick answers
- Does Mark R. Porvaznik accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Porvaznik 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 Mark R. Porvaznik see?
- In 2024, CMS data shows 161 Original Medicare patients and 263 services for Mark R. Porvaznik. This counts Original Medicare only and measures volume, not quality.
- What is Mark R. Porvaznik's NPI number?
- 1417513474. 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 Mark R. Porvaznik, 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 | 161 |
|---|---|
| Services billed to Medicare | 263 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)126 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)63 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)11 services
- Annual depression screening, 5 to 15 minutes (G0444)11 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 cholesterol70%
- High blood pressure67%
- Arthritis46%
- Diabetes30%
- Ischemic heart disease24%
- Anxiety21%
Practice locations
Addresses where Mark R. Porvaznik is enrolled with Medicare (CMS data updated October 2, 2026).
- 1425 S Greenfield Rd, Suite 101Mesa, AZ 85206 (701) 235‑9624
Group practices
Medicare enrollment lists Mark R. Porvaznik as a member of this group (CMS data updated October 2, 2026).
- Mesa Family Physicians, PLC8 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Mesa
Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.
Other clinicians in Mesa Family Physicians, PLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417513474 |
| 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