Dr. Nimisha K. Parekh, MD

Dr. Parekh practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Parekh's NPI, 1740397421, was assigned on August 25, 2006. Dr. Parekh graduated from Tulane School of Medicine in 1998. Dr. Parekh holds California license A96159.

Dr. Parekh's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

Dr. Parekh's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Health Physicians.

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

Gastroenterology is Dr. Parekh's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Parekh is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Parekh's licenses on file in 2 states: California and Louisiana.

Dmand AI lists acid reflux, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, gastroduodenitis, gastroenteritis, gastrointestinal bleeding and intestinal or bowel obstruction among the conditions Dr. Parekh treats.

CMS data shows 116 Medicare services from Dr. Parekh across 3 procedure codes in 2024, for 108 Medicare patients. Medicare paid $11,578 for them.

CMS counts 108 Medicare patients who saw Dr. Parekh in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.77, 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. Parekh's median patient age at 49, with 59% women.

In 2024, Dr. Parekh wrote 523 Medicare Part D claims for 95 patients. 64% of them were for generic drugs. CMS names the drug for 381 of them, across 14 drugs with 11 or more claims each, at $1,746,757 in total drug cost. In 2023, CMS named 398 claims across 15 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Parekh for performance year 2024, reported through an alternative payment model (APM). Dr. Parekh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Parekh as offering telehealth. CMS counts 25 procedures of colonoscopy by Dr. Parekh, more than 51% of the clinicians it reports for that procedure.

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 19 papers to Dr. Parekh, published from 2012 to 2024. 2018 was the busiest year, with 2. The most frequent topics are Inflammatory Bowel Diseases, Patient Satisfaction and Clostridium Infections. Dr. Parekh has published most often in Dig Dis Sci. Dr. Parekh's most frequent co-authors are Douglas Long Nguyen, MD, Jason Buddika Samarasena, MD and Matthew L. Bechtold, MD.

Dmand AI links Dr. Parekh to 5 clinical trials. 1 is still active or recruiting. Conditions studied include Inflammatory Bowel Diseases, Crohn Disease and Gastroenteritis. University of California, Irvine sponsors the most, 2.

CMS Open Payments shows 43 general payments to Dr. Parekh from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 71% of the total. Pfizer Inc. paid the most, $12,161.

Dmand AI lists 3 awards for Dr. Parekh, most recently Outstanding Teacher of the Year in 2020.

Dr. Parekh graduated from Tulane School of Medicine in 1998. Dr. Parekh is a member of ACG, AGA and ASGE.

Dr. Parekh is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.