Ellen Kathleen Mcdonald, M.D.
Ellen Kathleen Mcdonald is an Internal Medicine specialist based in Pasadena, CA with over 20 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Ellen Kathleen Mcdonald, M.D. has been part of the Pasadena medical community since 2008 in independent practice. She graduated from University of Southern California Keck School of Medicine in 2006 and has 20+ years of clinical experience. Among her Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Prescribes opioids less than 49% of reporting doctors in California
- Uses generic medications more than 44% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 5658dNPPES updated 2010-11-26 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
800 Fairmount Ave Suite 210, Pasadena, CA 91105-3150
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 = better0.98%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-4.1 pts)
Typical range among reporting doctors in California0.98% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better86.7%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+3.9 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
157
Unique beneficiaries
Standard volumePrescription Recipients
161
Patients prescribed
Prescriptions Written
2,337
Total claims
Total Medicare drug cost: $282k
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 (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+6%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+1%) — a focus area for this doctor
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
Conditions affecting emotional state, including depression and bipolar disorder
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 Ellen Kathleen Mcdonald's NPI.
Social Vulnerability Index: 0.58 / 1.00
Moderate vulnerabilityShe practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.
Source: CDC/ATSDR Social Vulnerability Index.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2006
Keck School of Medicine of Usc
20 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
University of Southern California Keck School of Medicine (Class of 2006)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190201
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Ellen Kathleen Mcdonald
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Ellen Kathleen Mcdonald for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Pasadena 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 Ellen Kathleen Mcdonald
NPI records show Dr. Mcdonald as active with telehealth listed in Pasadena, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 872-4195.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator · CDC SVI. See Data Methodology.
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Contact Ellen Kathleen Mcdonald
Practice Location
800 Fairmount Ave Suite 210, Pasadena, CA 91105-3150
Mailing Address
800 Fairmount Ave Suite 210, Pasadena, CA 91105-3150
This is a provider directory. Contact the office directly to schedule appointments.
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