Oscar Leonardo Cook, M.D.
Oscar Leonardo Cook is a Family Medicine specialist based in Oceanside, CA with over 20 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Oscar Leonardo Cook, M.D. has been part of the Oceanside medical community since 2012 in group practice. He has been in practice for 20+ years. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
At a glance
- Prescribes opioids less than 34% of reporting doctors in California
- Uses generic medications more than 50% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 1412dNPPES updated 2022-07-12 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better2.56%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-2.5 pts)
2.56% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better87.8%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+5 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
200
Unique beneficiaries
Standard volumePrescription Recipients
242
Patients prescribed
Prescriptions Written
1,135
Total claims
Total Medicare drug cost: $108k
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%↓ Fewer patients than average (-5%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-7%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+1%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-12%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+4%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-10%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-12%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$58 received from industry
3 transactions 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 Oscar Leonardo Cook's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jul 11, 2022
Self-reported via NPPES
20 years in practice
Experienced
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy: 207Q00000X
Mailing address
10790 Rancho Bernardo Rd, San Diego, CA 92127-5705
Differs from practice location
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 201309
View hospital on Medicare Care CompareVirtual Family Medicine Care With Oscar Leonardo Cook
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Oscar Leonardo Cook for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Oceanside 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 Oscar Leonardo Cook
Dr. Cook is listed as active in the NPI registry with telehealth listed in Oceanside, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (760) 704-5600.
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 Oscar Leonardo Cook
Practice Location
2205 Vista Way, Oceanside, CA 92054-5661
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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