Elsie L. Rosario, MD
Internal Medicine Physician · Cayey, PR
Elsie L. Rosario, MD is an internal medicine physician with a practice address in Cayey, Puerto Rico, and NPI 1578540167, issued on Dec 27, 2005. Check the license (Puerto Rico 10870, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elsie L. Rosario
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 10870 PR
Self-reported in NPPES; status is on the state search - Practice location
- Ave Lucia Vazquez, Cayey, PR 00736
- Phone
- (787) 263-1620
- Enumerated
- Dec 27, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (787) 852-8168
- Medicare enrollment
- Enrolled (PECOS I20070905000684); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Verify Elsie L. Rosario 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 10870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.8 times the Medicare Part D claims of the average internal medicine physician in 2024
24,830 Medicare Part D claims for 702 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 173 claims were for opioids.
Most prescribed
- Synthroid1,731 claims
- Famotidine1,369 claims
- Gabapentin1,186 claims
- Losartan Potassium949 claims
- Atorvastatin Calcium894 claims
- Amlodipine Besylate814 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.
Elsie L. Rosario among 1,146 internal medicine physician records in Puerto Rico
Elsie L. Rosario, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1990 · median 1996 among the 595 with a school on file
- Record last updated2026 · 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).
20 internal medicine physician records list a practice address in Cayey
They are 20 of the 489 NPPES records with a practice address in Cayey, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Cayey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carlos Angel Hoyos, M.DCayey, PR 007361598729469
- Rosa Coca, MDCayey, PR 007361225025315
- Pedro Granados, M.D.Cayey, PR 007361356307631
- Ivan Irizarry Rodriguez, M.D.Cayey, PR 007361467465773
- Juan Mendoza Ortiz, MDCayey, PR 007361316012495
- Trinidad Mercado, M.D.Cayey, PR 007361548367972
- Marta Ortiz-Pagan, M.DCayey, PR 007361366507907
- Jorge Sanchez Cotto, M.D.Cayey, PR 007361275569105
Common questions
What is Elsie L. Rosario, MD's NPI number?
Elsie L. Rosario, MD's National Provider Identifier (NPI) is 1578540167, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Elsie L. Rosario, MD located?
The NPPES record lists a practice address at Ave Lucia Vazquez, Cayey, PR, 00736. Phone: (787) 263-1620. Providers update this record themselves, so call before visiting.
How can I verify Elsie L. Rosario, MD's license?
NPPES lists Puerto Rico license number 10870, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Elsie L. Rosario, MD prescribe under Medicare Part D?
In 2024, Elsie L. Rosario, MD had 24,830 Medicare Part D claims for 702 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.