Mark S Reginato, M.D.
Mark S Reginato is an Internal Medicine specialist based in Danville, CA with over 27 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Mark S Reginato, M.D. has practiced internal medicine for 27+ years, working in group practice. A Georgetown University School of Medicine graduate since 1999, he brings 27+ years of experience. 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
- Prescribes opioids less than 26% of reporting doctors in California
- Uses generic medications more than 41% 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 · 451dNPPES updated 2025-02-27 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
4165 Blackhawk Plaza Circle Suite 100, Danville, CA 94506-2308
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in California, prescribes opioid pain medications conservatively, 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 = better3.71%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-1.4 pts)
3.71% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better86.2%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+3.4 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
1,420
Unique beneficiaries
High volumePrescription Recipients
1,152
Patients prescribed
Prescriptions Written
5,957
Total claims
Total Medicare drug cost: $814k
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%↓ Fewer patients than average (-12%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-12%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$3.3k received from industry
173 transactions reported in 2024 ·Moderate 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 Mark S Reginato's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1999
Georgetown University School of Medicine
Board certified · Feb 26, 2025
Self-reported via NPPES
27 years in practice
Experienced
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
Education & Training
Georgetown University School of Medicine (Class of 1999)
Primary hospital affiliation: Acute Care - Department of Defense
CMS Certification Number: 19050F
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Mark S Reginato
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark S Reginato for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Danville 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 Mark S Reginato
NPI records show Dr. Reginato as active with telehealth listed in Danville, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (925) 736-7070.
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 Mark S Reginato
Practice Location
4165 Blackhawk Plaza Circle Suite 100, Danville, CA 94506-2308
Mailing Address
4165 Blackhawk Plaza Circle Suite 100, Danville, CA 94506-2308
This is a provider directory. Contact the office directly to schedule appointments.
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