Brian Arellano Reyes, M.D.
Brian Arellano Reyes is an Internal Medicine specialist based in Brentwood, CA with over 37 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see Brian Arellano Reyes, M.D. in person in Brentwood or via virtual visit — no travel required. He has been practicing since 2006 — over 37 years. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data). CMS MIPS quality score: 87.26/100 (2023).
At a glance
- Uses generic medications more than 76% of reporting doctors in California
- Federal MIPS score higher than 69% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 330dNPPES updated 2025-06-27 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
6600 Lone Tree Way Ste B, Brentwood, CA 94513-5256
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in California, favors affordable generic drugs over brand-name ones.
MIPS Score
202387.26/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+3.7 pts)
Average range among MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better5.7%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+0.6 pts)
5.7% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better91.7%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+8.9 pts)
Better than 76% of reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
266
Unique beneficiaries
Standard volumePrescription Recipients
518
Patients prescribed
Prescriptions Written
9,488
Total claims
Total Medicare drug cost: $594k
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+4%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+4%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-8%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-12%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-12%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$25 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Brian Arellano Reyes's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jun 26, 2025
Self-reported via NPPES
37 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Mailing address
6600 Lone Tree Way, Brentwood, CA 94513-5256
Differs from practice location
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 201317
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Brian Arellano Reyes
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Brian Arellano Reyes for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Brentwood required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Brian Arellano Reyes
Dr. Reyes is listed as active in the NPI registry with telehealth listed in Brentwood, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (925) 276-9908.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Brian Arellano Reyes
Practice Location
6600 Lone Tree Way Ste B, Brentwood, CA 94513-5256
Mailing Address
6600 Lone Tree Way, Brentwood, CA 94513-5256
This is a provider directory. Contact the office directly to schedule appointments.
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