Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ruth Manjula Karunananthan, MD

Individual provider Internal Medicine Physician · NPI 1922057256

Dr. Ruth Manjula Karunananthan, MD is an Internal Medicine in West Covina, California. Qualified in 1993, 33 years ago. Practices with Lakeside Medical Organization a Medical Group Inc, a 65-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
33
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1500 W West Covina Pkwy Ste 102
West Covina, CA 91790-2703
Phone: (626) 263-7010
Fax: (626) 960-3634
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A64387 (CA)

Record details

NPI number1922057256
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2006
Last updated in NPPESNovember 13, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Lakeside Medical Organization A Medical Group Inc — 65 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in West Covina