Dr. Penelope Chun Lema, MD

Dr. Lema practices at Columbia University Irving Medical Center in New York, New York.

Dr. Lema's NPI, 1851498448, was assigned on September 17, 2006. Dr. Lema graduated from Stony Brook University Health Sciences Center School of Medicine in 2003. Dr. Lema holds New York license 238339.

Dr. Lema's primary practice is Columbia University Irving Medical Center, at 622 W 168th St, New York, NY 10032 in New York County. The practice phone is (212) 297-4255.

Dr. Lema's primary practice is Columbia University Irving Medical Center in New York, New York. Dr. Lema is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Lema to 1 more medical group, named with a free account.

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

Emergency medicine is Dr. Lema's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lema is licensed in New York.

CMS data shows 97 Medicare services from Dr. Lema across 3 procedure codes in 2024, for 99 Medicare patients. Medicare paid $15,456 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 99 Medicare patients who saw Dr. Lema in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 57% are also on Medicaid. Their average risk score is 2.44, 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. Lema's median patient age at 55, with 55% women.

In 2024, Dr. Lema wrote 97 Medicare Part D claims for 44 patients. 94% of them were for generic drugs. CMS names the drug for 38 of them, across 3 drugs with 11 or more claims each, at $94 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Lema for performance year 2024, reported through an alternative payment model (APM). Dr. Lema accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 17 papers to Dr. Lema, published from 2011 to 2025. 2020 was the busiest year, with 5. The most frequent topics are Point-of-Care Systems, Ultrasonography and Arteries. Dr. Lema has published most often in AEM Educ Train. Dr. Lema's most frequent co-authors are Brian Michael Clemency, DO, Srikar R. Adhikari, MD and Di Fan Coneybeare, MD.

CMS Open Payments shows 6 general payments to Dr. Lema from 3 drug and device companies from 2016 to 2022. Education make up the largest share, 50% of the total. FUJIFILM SonoSite, Inc. paid the most, $630.

Dr. Lema graduated from Stony Brook University Health Sciences Center School of Medicine in 2003.