Dr. Nisha Viswanathan, MD

Dr. Viswanathan practices at UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health.

Dr. Viswanathan's NPI, 1578839205, was assigned on March 27, 2012. Dr. Viswanathan graduated from University of Arkansas For Medical Sciences College of Medicine in 2012. Dr. Viswanathan's California license number on file is C165367.

Dr. Viswanathan's primary practice is UCLA Santa Monica Medical Center, at 1250 16th Street, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (310) 319-4000.

Dr. Viswanathan's primary practice is UCLA Santa Monica Medical Center in Santa Monica, California, part of University of California Health. Dr. Viswanathan is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Viswanathan to 1 more group practice or clinic and 1 home health agency, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Viswanathan practices, 4 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Viswanathan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Viswanathan is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Viswanathan's licenses on file in 3 states: California, Arkansas and New York.

Dmand AI lists acute kidney failure, acute skin infection, anxiety, arthritis, bladder disease, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Viswanathan treats.

CMS data shows 728 Medicare services from Dr. Viswanathan across 11 procedure codes in 2024, for 179 Medicare patients. Medicare paid $49,753 for them.

CMS counts 179 Medicare patients who saw Dr. Viswanathan in 2024. The largest group is 65 to 74, with 70 patients. 73% of them have high blood pressure, and 72% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Viswanathan's median patient age at 60, with 63% women.

In 2024, Dr. Viswanathan wrote 1,861 Medicare Part D claims for 163 patients. 80% of them were for generic drugs. CMS names the drug for 1,335 of them, across 58 drugs with 11 or more claims each, at $252,103 in total drug cost. In 2023, CMS named 1,134 claims across 45 drugs.

Dr. Viswanathan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Viswanathan as offering telehealth.

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 1 paper to Dr. Viswanathan.

CMS Open Payments shows 17 general payments to Dr. Viswanathan from 5 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 72% of the total. Gilead Sciences, Inc. paid the most, $727.

Dr. Viswanathan graduated from University of Arkansas For Medical Sciences College of Medicine in 2012. Dr. Viswanathan is a member of ACP and AMA.

Dr. Viswanathan is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.