Brian R. Gross, MD

Medicare activity in 2024

Official CMS public-use data for Brian R. Gross, 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. Ct scan of cornea (92025)717 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)677 services
3. Established patient complete exam of visual system (92014)676 services
4. Imaging of optic nerve (92133)450 services
5. Established patient problem focused exam of visual system (92012)326 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%
• Arthritis48%
• Diabetes34%
• Ischemic heart disease23%
• Osteoporosis21%

Hospitals where Brian R. Gross works

Medicare's Facility Affiliation Data lists Brian R. Gross 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.

• Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050624

Practice locations

Addresses where Brian R. Gross is enrolled with Medicare (CMS data updated October 2, 2026).

• 27420 Tourney Rd, Suite 100Valencia, CA 91355 (661) 259‑3937

Group practices

Medicare enrollment lists Brian R. Gross as a member of this group (CMS data updated October 2, 2026).

• Craig Helm M D A Professional Corporation10 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in California →

Other ophthalmologists in Valencia

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

• Dilsher S. Dhoot, MD
• Daniel L. Learned, MD
• Bryan J. Zarrin, MD
• Craig J. Helm, MD
• Jing (sasha) Jia, MD
• Hong Hung Ho, MD
• Pelin Celiker, MD
• Nathan J. Abraham, MD

All ophthalmologists in Valencia →

Other clinicians in Craig Helm M D A Professional Corporation

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

• Lisa M. Guan, OD
• Bryan J. Zarrin, MD
• Craig J. Helm, MD
• Jing (sasha) Jia, MD
• Hong Hung Ho, MD
• Sara Janami, OD

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