Grisell Ortiz Lasanta, MD
Internal Medicine Physician · San Juan, PR
Grisell Ortiz Lasanta, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1538362918, issued on Jun 6, 2007. Check the license (Puerto Rico 16800, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grisell Ortiz Lasanta
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 16800 PR
Self-reported in NPPES; status is on the state search - Practice location
- 998 Ave Munoz Rivera, San Juan, PR 00927
- Phone
- (787) 722-1248
- Enumerated
- Jun 6, 2007
- Record last updated
- Jul 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at 998 Ave Munoz Rivera
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eddiemar Ortiz Cruz, MDHematology & Oncology Physician1578710422
Verify Grisell Ortiz Lasanta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 16800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
213 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Omega-3 Acid Ethyl Esters32 claims
- Pantoprazole Sodium19 claims
- Famotidine15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Grisell Ortiz Lasanta among 1,146 internal medicine physician records in Puerto Rico
Grisell Ortiz Lasanta, MD is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
322 internal medicine physician records list a practice address in San Juan
They are 322 of the 8,960 NPPES records with a practice address in San Juan, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in San Juan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Elsie Cruz-Cuevas, MDSan Juan, PR 009271073519716
- Sylvia Cubano Perez, M.D.San Juan, PR 009271689677189
- Ricardo Miranda, M.D.Rio Piedras, PR 009271770700254
- Pedro Nieves Garnica, M.D.San Juan, PR 009271225014061
- Agustin Rodriguez-Suro, MDSan Juan, PR 009271134125925
- Vicente Sanchez Quiles, MDSan Juan, PR 009271043334683
- Juan Schaening, M.D.San Juan, PR 009271518042845
- Angelica VazquezSan Juan, PR 009271265911481
Common questions
What is Grisell Ortiz Lasanta, MD's NPI number?
Grisell Ortiz Lasanta, MD's National Provider Identifier (NPI) is 1538362918, issued on Jun 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Grisell Ortiz Lasanta, MD located?
The NPPES record lists a practice address at 998 Ave Munoz Rivera, San Juan, PR, 00927. Phone: (787) 722-1248. Providers update this record themselves, so call before visiting.
How can I verify Grisell Ortiz Lasanta, MD's license?
NPPES lists Puerto Rico license number 16800, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Grisell Ortiz Lasanta, MD prescribe under Medicare Part D?
In 2024, Grisell Ortiz Lasanta, MD had 213 Medicare Part D claims for 46 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.