Ruth Manjula Karunananthan, M.D.
Ruth Manjula Karunananthan is an Internal Medicine specialist based in West Covina, CA with over 33 years of clinical experience. Offers virtual telehealth visits.
With over 33 years in internal medicine, Ruth Manjula Karunananthan, M.D. is a long-established internist in West Covina. With 33+ years of experience, she has been practicing in the West Covina area. Among her Medicare patients, common conditions include hypertension, high cholesterol, and diabetes (per CMS data).
At a glance
- Uses generic medications more than 46% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 3844dNPPES updated 2015-11-13 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1500 W West Covina Pkwy Ste 102, West Covina, CA 91790-2703
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 Diabetes.
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
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+10%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-14%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ 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 (+2%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
33 years in practice
Senior practitioner
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
Mailing address
1500w West Covina Pkwy Ste 203, West Covina, CA 91790-2703
Differs from practice location
Virtual Internal Medicine Care With Ruth Manjula Karunananthan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Ruth Manjula Karunananthan for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to West Covina required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Ruth Manjula Karunananthan
NPI records show Dr. Karunananthan as active with telehealth listed in West Covina, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 263-7010.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Ruth Manjula Karunananthan
Practice Location
1500 W West Covina Pkwy Ste 102, West Covina, CA 91790-2703
Mailing Address
1500w West Covina Pkwy Ste 203, West Covina, CA 91790-2703
This is a provider directory. Contact the office directly to schedule appointments.
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