Hong Y. Luo, MD

Medicare activity in 2024

Official CMS public-use data for Hong Y. Luo, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)2,977 services
2. Special stained specimen slides to examine tissue, each additional procedure (88341)699 services
3. Microscopic genetic analysis of tumor, manual (88360)383 services
4. Pathology examination of tissue using a microscope, moderately high complexity (88307)275 services
5. Special stained specimen slides to examine tissue, initial procedure (88342)275 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%
• High blood pressure73%
• Arthritis46%
• Ischemic heart disease29%
• Diabetes26%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)26%

Hospitals where Hong Y. Luo works

Medicare's Facility Affiliation Data lists Hong Y. Luo 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.

• Healdsburg HospitalHealdsburg, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051321
• Petaluma Valley HospitalPetaluma, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050136
• Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050174
• Providence St Joseph HospitalEureka, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050006

Practice locations

Addresses where Hong Y. Luo is enrolled with Medicare (CMS data updated October 2, 2026).

• 1165 Montgomery DrSanta Rosa, CA 95405 (707) 525‑5352
• 250 Bon Air RdGreenbrae, CA 94904 (415) 925‑7174
• 2700 Dolbeer StEureka, CA 95501 (707) 445‑8121
• 347 Andrieux StSonoma, CA 95476 (707) 935‑5185

Group practices

Medicare enrollment lists Hong Y. Luo as a member of this group (CMS data updated October 2, 2026).

• Marin Medical Laboratories8 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in California →

Other pathologists in Santa Rosa

Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.

• Wanhua Yang, MD
• Timothy H. McCalmont, MD
• Andrew Z. Miklos, MD
• Rachel E. Donohue, MD
• Charles A. Amezcua, MD
• Lian S. Chen, MD
• Paul W. Wasserstein, MD
• Jelena Berena, MD

All pathologists in Santa Rosa →

Other clinicians in Marin Medical Laboratories

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

• Wanhua Yang, MD
• Rachel E. Donohue, MD
• Kedar C. Prasad, MD
• Frederick J. Kretzschmar, MD
• Ruobin Wu, MD
• Paul W. Wasserstein, MD

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