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Internal Medicine

Martin J. Arraiz, MD

Sees patients in Reno, NV · Nevada

Summary

Dr. Martin J. Arraiz, MD is an internal medicine doctor at 6255 Sharlands Ave, Reno, NV 89523. Phone: (775) 245-6117. May accept Medicare assignment. In 2024, Martin J. Arraiz had 182 Original Medicare patients and 7,019 services. NPI 1790766798. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 6255 Sharlands Ave, Reno, NV 89523 · Directions
  • Phone: (775) 245‑6117
  • Medicare: May accept Medicare assignment
  • Group practice: Martin Jose Arraiz Professional
  • Medical school: University Of Nevada School Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Martin J. Arraiz, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Martin J. Arraiz accept Medicare assignment?
Medicare's clinician data says Martin J. Arraiz may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Martin J. Arraiz see?
In 2024, CMS data shows 182 Original Medicare patients and 7,019 services for Martin J. Arraiz. This counts Original Medicare only and measures volume, not quality.
What is Martin J. Arraiz's NPI number?
1790766798. 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 Martin J. Arraiz, 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 patients182
Services billed to Medicare7,019
Different services or procedures44
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)4,460 services
  2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)399 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)302 services
  4. Injection, dexamethasone sodium phosphate, 1 mg (J1100)275 services
  5. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)112 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%
  • Arthritis75%
  • High blood pressure73%
  • Ischemic heart disease26%
  • Diabetes23%
  • Depression22%

Practice locations

Addresses where Martin J. Arraiz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martin J. Arraiz as a member of this group (CMS data updated October 2, 2026).

  • Martin Jose Arraiz Professional3 clinicians in the group

Specialties

Find other Internal Medicine doctors in Nevada →

Other internal medicine doctors in Reno

Clinicians with the same Medicare primary specialty in Reno, NV — not a recommendation.

All internal medicine doctors in Reno →

Other clinicians in Martin Jose Arraiz Professional

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Nevada School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1790766798
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians