Jana Portnow, MD
Medical Oncology Internal Medicine
Jana Portnow is a Medical Oncology Internal Medicine specialist based in Duarte, CA with over 32 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see Jana Portnow, MD in person in Duarte or via virtual visit — no travel required. Trained at University of Rochester School of Medicine and Dentistry (class of 1994), she has been practicing for over 32 years. Among her Medicare patients, common conditions include hypertension, high cholesterol, and stroke (per CMS data). CMS MIPS quality score: 99.13/100 (2023).
At a glance
- Uses generic medications more than 35% of reporting doctors in California
- Federal MIPS score higher than 89% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 908dNPPES updated 2023-11-27 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1500 Duarte Rd, Duarte, CA 91010-3012
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 89% of doctors in California on federal quality measures, favors affordable generic drugs over brand-name ones.
MIPS Score
202399.13/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+15.5 pts)
Better than 89% of MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better84.4%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+1.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
98
Unique beneficiaries
Standard volumePrescription Recipients
38
Patients prescribed
Prescriptions Written
167
Total claims
Total Medicare drug cost: $332k
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 Stroke / TIA.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-8%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-9%) — less common here
Disrupted blood supply to the brain, requiring urgent medical attention
US avg: 13.4%↑ More patients than average (+28%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+3%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-13%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+10%) — 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 (-4%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$99 received from industry
2 transactions reported in 2018 ·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 2018, attributed to Jana Portnow's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1994
University of Rochester School of Medicine and Dentistry
Board certified · Oct 27, 2020
Self-reported via NPPES
32 years in practice
Senior practitioner
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
University of Rochester School of Medicine and Dentistry (Class of 1994)
Mailing address
Po Box 512185, Los Angeles, CA 90051-0185
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190300
View hospital on Medicare Care CompareVirtual Medical Oncology Care With Jana Portnow
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Jana Portnow for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Duarte 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 Jana Portnow
NPI records show Dr. Portnow as active with telehealth listed in Duarte, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 471-9200.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Jana Portnow
Practice Location
1500 Duarte Rd, Duarte, CA 91010-3012
Mailing Address
Po Box 512185, Los Angeles, CA 90051-0185
This is a provider directory. Contact the office directly to schedule appointments.
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