Dr. Gevork Joe Maissian, DO

Dr. Maissian practices at North Hills Medical Center in North Hills, California.

Dr. Maissian's NPI, 1639320658, was assigned on October 8, 2008. Dr. Maissian graduated from Touro College of Osteopathic Medicine - New York in 2007. Dr. Maissian holds California license 20A10524.

Dr. Maissian's primary practice is North Hills Medical Center, at 8719 N Woodley Ave, North Hills, CA 91343 in Los Angeles County. The practice phone is (818) 920-1232.

Dr. Maissian's primary practice is North Hills Medical Center in North Hills, California. Dr. Maissian is also affiliated with USC Verdugo Hills Hospital. The medical group on file is Glenwest Medical Center. Dmand AI also links Dr. Maissian to 1 more hospital, 4 home health agencies and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maissian practices, 7 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. Maissian's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Maissian is board certified in internal medicine by the AOA Board of Internal Medicine. Dr. Maissian is licensed in California.

Dmand AI lists acid reflux, acute gallbladder or bile duct inflammation, acute gastroduodenitis, acute sinusitis, acute skin infection, adjustment disease, alzheimer's disease and aneurysm among the conditions Dr. Maissian treats.

CMS data shows 9,551 Medicare services from Dr. Maissian across 23 procedure codes in 2024, for 899 Medicare patients. Medicare paid $587,276 for them. Every service was in an office.

CMS counts 899 Medicare patients who saw Dr. Maissian in 2024. The largest group is 65 to 74, with 359 patients. 75% of them have arthritis, and 75% have high blood pressure. 94% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Maissian's median patient age at 60, with 58% women.

In 2024, Dr. Maissian wrote 47,024 Medicare Part D claims for 823 patients. 78% of them were for generic drugs. CMS names the drug for 46,409 of them, across 289 drugs with 11 or more claims each, at $6,406,333 in total drug cost. In 2023, CMS named 46,207 claims across 301 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Maissian for performance year 2024, reported individually. Dr. Maissian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Maissian as offering telehealth.

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

CMS Open Payments shows 1,870 general payments to Dr. Maissian from 72 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 45% of the total. Amarin Pharma Inc. paid the most, $40,541.

Dmand AI lists 1 award for Dr. Maissian, most recently CMS Stage 1 2012 in 2011.

Dr. Maissian graduated from Touro College of Osteopathic Medicine - New York in 2007. Dr. Maissian is a member of AOA.

Dr. Maissian is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.