Primary practice
Fundacion Oncology Network
Multi-specialty group site · San Juan, Puerto Rico
Find Dr. Ortiz Lasanta's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ortiz Lasanta practices at Fundacion Oncology Network in San Juan, Puerto Rico.
Dr. Ortiz Lasanta's NPI, 1538362918, was assigned on June 6, 2007. Dr. Ortiz Lasanta holds Puerto Rico license 16800.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ortiz Lasanta's primary practice is Fundacion Oncology Network, at 998 Ave Munoz Rivera, San Juan, PR 00927-4308. The practice phone is (787) 722-1248. The NPI Registry lists Dr. Ortiz Lasanta's practice address as 3 Ave Ruiz Soler, Bayamon, PR 00959.
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Ortiz Lasanta's primary practice is Fundacion Oncology Network in San Juan, Puerto Rico. Dmand AI also links Dr. Ortiz Lasanta to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ortiz Lasanta practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fundacion Oncology Network | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Internal medicine is Dr. Ortiz Lasanta's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ortiz Lasanta is licensed in Puerto Rico.
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
In 2024, Dr. Ortiz Lasanta wrote 213 Medicare Part D claims for 46 patients. 95% of them were for generic drugs. CMS names the drug for 66 of them, across 3 drugs with 11 or more claims each, at $1,379 in total drug cost. In 2023, CMS named 138 claims across 8 drugs.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drugs named by CMS: 3 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dmand AI links 2 papers to Dr. Ortiz Lasanta, published from 2015 to 2019. Dr. Ortiz Lasanta's most frequent co-authors are Maurizio Bonacini, MD, Diana Marina Brainard, MD and Eric J. Lawitz, MD.
See who Dr. Ortiz Lasanta researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ortiz Lasanta works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dmand AI links Dr. Ortiz Lasanta to 6 clinical trials, 2 of them phase 3 studies. 2 are still active or recruiting. Conditions studied include Non-alcoholic Fatty Liver Disease, Fatty Liver and Esophageal and Gastric Varices. Intercept Pharmaceuticals sponsors the most, 2. Open Payments lists research payments to Dr. Ortiz Lasanta that name 1 trial.
Conditions in Dr. Ortiz Lasanta's trials
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
CMS Open Payments shows 84 general payments to Dr. Ortiz Lasanta from 14 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 56% of the total. AstraZeneca Pharmaceuticals LP paid the most, $3,247. It also lists 13 research payments totaling $1,993 from 2019 to 2024, naming 1 clinical trial.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Data last refreshed October 2026Report an inaccuracyRemove my information
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Dr. Grisell Ortiz Lasanta's NPI number is 1538362918. It was assigned on June 6, 2007, and it is active in the NPI Registry.
Dr. Grisell Ortiz Lasanta is an internist in Bayamon, Puerto Rico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Dr. Ortiz Lasanta practices at 998 Ave Munoz Rivera, San Juan, PR 00927-4308. Dr. Ortiz Lasanta also practices at 3 Ave Ruiz Soler, Bayamon, PR 00959. Dr. Ortiz Lasanta's primary practice is Fundacion Oncology Network in San Juan, Puerto Rico. Dmand AI also links Dr. Ortiz Lasanta to 1 medical group.
The practice phone on file for Dr. Ortiz Lasanta is (787) 722-1248.
Dr. Ortiz Lasanta holds Puerto Rico license 16800.
In 2024 Medicare Part D data, Dr. Ortiz Lasanta's most prescribed drugs by claims were Omega-3 Acid Ethyl Esters, Pantoprazole Sodium and Famotidine.
CMS Open Payments shows $9,218 in general payments to Dr. Ortiz Lasanta from 14 companies from 2016 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
Dr. Ortiz Lasanta's NPI was assigned in 2007.
Dmand AI links 2 publications to Dr. Ortiz Lasanta, published from 2015 to 2019. Dr. Ortiz Lasanta has worked on 6 clinical trials.
Dr. Ortiz Lasanta's most frequent co-authors are Maurizio Bonacini, MD (1 shared paper), Diana Marina Brainard, MD (1 shared paper) and Eric J. Lawitz, MD (1 shared paper).
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