Marin F Xavier, MD
Medical Oncology Internal Medicine
Marin F Xavier is a Medical Oncology Internal Medicine specialist based in San Diego, CA with over 24 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: HEMATOLOGY, INTERNAL MEDICINE
With over 24 years in internal medicine, Marin F Xavier, MD is a long-established medical oncology internal medicine specialist in San Diego. Trained at Perelman School of Med at the University of Pennsylvania (class of 2002), she has been practicing for over 24 years. CMS Medicare data shows her patients commonly have hypertension, high cholesterol, and arthritis.
At a glance
- Prescribes opioids less than 34% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 2335dNPPES updated 2020-01-02 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
501 Washington St Ste 508, San Diego, CA 92103-2238
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
Opioid Rx
↓ Lower = better2.58%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-2.5 pts)
2.58% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better58.2%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-24.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
412
Unique beneficiaries
Standard volumePrescription Recipients
198
Patients prescribed
Prescriptions Written
1,316
Total claims
Total Medicare drug cost: $8.06M
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 Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+1%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-3%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-1%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+12%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-3%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-7%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$111.2k received from industry
237 transactions reported in 2024 ·Very High 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 Marin F Xavier's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2002
Perelman School of Medicine at the University of Pennsylvania
Board certified · Jan 1, 2020
Self-reported via NPPES
24 years in practice
Experienced
Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy. They coordinate care with surgical oncologists and radiation oncologists for comprehensive cancer treatment.
Taxonomy: 207RX0202X
Education & Training
Perelman School of Med at the University of Pennsylvania (Class of 2002)
Mailing address
10790 Rancho Bernardo Rd, San Diego, CA 92127-5705
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190088
View hospital on Medicare Care CompareVirtual Medical Oncology Care With Marin F Xavier
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Marin F Xavier for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to San Diego 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 Marin F Xavier
NPI records show Dr. Xavier as active with telehealth listed in San Diego, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (619) 849-4469.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Marin F Xavier
Practice Location
501 Washington St Ste 508, San Diego, CA 92103-2238
Mailing Address
10790 Rancho Bernardo Rd, San Diego, CA 92127-5705
This is a provider directory. Contact the office directly to schedule appointments.
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