Arvi M. Generoso, MD

Medicare activity in 2024

Official CMS public-use data for Arvi M. Generoso, 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.

Most frequent services

1. 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)328 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)235 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)139 services
4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)25 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 pressure61%
• Arthritis36%
• Chronic kidney disease17%
• Diabetes15%
• Ischemic heart disease14%

Hospitals where Arvi M. Generoso works

Medicare's Facility Affiliation Data lists Arvi M. Generoso 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.

• PeaceHealth St John Medical CenterLongview, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500041
• Providence Centralia HospitalCentralia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500019

Practice locations

Addresses where Arvi M. Generoso is enrolled with Medicare (CMS data updated October 2, 2026).

• 23 Cowlitz St WCastle Rock, WA 98611 (360) 800‑9480

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Washington

Clinicians with the same Medicare primary specialty in Washington — not a recommendation.

• William E. Maes, MD
• Bismark R. Fernandez Tavarez, MD
• Lisa M. Alberts, MD
• Athena C. Lan, DO
• Nathaniel L. Crumet, MD
• Sean B. Bernfeld, MD
• Robert I. Carson, MD
• Fushen Sha, MD

All internal medicine doctors in Washington →

Clinician information

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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians