Omar Segarra-Alonso, M.D.
Internal Medicine Physician · Dorado, PR
Omar Segarra-Alonso, M.D. is an internal medicine physician with a practice address in Dorado, Puerto Rico, and NPI 1184828139, issued on Jun 13, 2007. Check the license (Puerto Rico 17097, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Omar Segarra-Alonso
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 17097 PR
Self-reported in NPPES; status is on the state search - Practice location
- 105 Villa Este, Dorado, PR 00646
- Phone
- (787) 692-6565
- Enumerated
- Jun 13, 2007
- Record last updated
- Nov 12, 2010 (not updated in 16 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 →
Verify Omar Segarra-Alonso 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 17097Check 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
236 Medicare Part D claims for 159 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amlodipine Besylate26 claims
- Hydrochlorothiazide24 claims
- Carvedilol15 claims
- Furosemide15 claims
- Prednisone13 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.
Omar Segarra-Alonso among 1,146 internal medicine physician records in Puerto Rico
Omar Segarra-Alonso, M.D. 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 updated2010 · 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).
9 internal medicine physician records list a practice address in Dorado
They are 9 of the 389 NPPES records with a practice address in Dorado, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Dorado → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Raul Melendez AyalaDorado, PR 006461528155363
- Mary Quiles, MDDorado, PR 006461487130910
- Meilyn Reyes-Perez, M.D.Dorado, PR 006461497867063
- Juan Rojas, MDDorado, PR 006461720582505
- Jose Rolon, M.D.Dorado, PR 006461558555029
- Samah Shehadeh, M.D.Dorado, PR 006461982815643
- Javier Tirado Manzano, MDDorado, PR 006461902992589
- Angel Vinuela, M.DDorado, PR 006461508192881
Common questions
What is Omar Segarra-Alonso, M.D.'s NPI number?
Omar Segarra-Alonso, M.D.'s National Provider Identifier (NPI) is 1184828139, issued on Jun 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Omar Segarra-Alonso, M.D. located?
The NPPES record lists a practice address at 105 Villa Este, Dorado, PR, 00646. Phone: (787) 692-6565. Providers update this record themselves, so call before visiting.
How can I verify Omar Segarra-Alonso, M.D.'s license?
NPPES lists Puerto Rico license number 17097, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Omar Segarra-Alonso, M.D. prescribe under Medicare Part D?
In 2024, Omar Segarra-Alonso, M.D. had 236 Medicare Part D claims for 159 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.