Dr. Janne Kristoffer Nissinen, MD

Dr. Nissinen practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Nissinen's NPI, 1710278569, was assigned on April 27, 2011. Dr. Nissinen graduated from University of Arkansas For Medical Sciences College of Medicine in 2011. Dr. Nissinen holds California license A123181.

Dr. Nissinen's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

Dr. Nissinen's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Nissinen is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Nissinen to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

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

Neurology is Dr. Nissinen's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Nissinen is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Nissinen is licensed in California.

Dmand AI lists alzheimer's disease, head injury, non-alzheimer's dementia (chronic) and sleep apnea among the conditions Dr. Nissinen treats.

CMS data shows 1,775 Medicare services from Dr. Nissinen across 7 procedure codes in 2024, for 279 Medicare patients. Medicare paid $136,569 for them. Every service was in an office.

CMS counts 279 Medicare patients who saw Dr. Nissinen in 2024. The largest group is 75 to 84, with 146 patients. 75% of them have alzheimer's and dementia, and 72% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nissinen's median patient age at 78, with 55% women.

In 2024, Dr. Nissinen wrote 1,120 Medicare Part D claims for 249 patients. 90% of them were for generic drugs. CMS names the drug for 1,013 of them, across 17 drugs with 11 or more claims each, at $265,384 in total drug cost. In 2023, CMS named 783 claims across 15 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Nissinen for performance year 2024, reported as part of a group. Dr. Nissinen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nissinen as offering telehealth.

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 211 general payments to Dr. Nissinen from 28 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 99% of the total. Neurocrine BioSciences, Inc. paid the most, $904.

Dmand AI lists 2 awards for Dr. Nissinen, most recently Medical Student Prize for Excellence in Neurology in 2011.

Dr. Nissinen graduated from University of Arkansas For Medical Sciences College of Medicine in 2011. Dr. Nissinen is a member of AAN and AMA.

Dr. Nissinen is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.