Loida Viera, M.D.
Obstetrics & Gynecology Physician · Caguas, PR
Loida Viera, M.D. is an obstetrics & gynecology physician with a practice address in Caguas, Puerto Rico, and NPI 1053370718, issued on Mar 21, 2006. Check the license (Puerto Rico 8325, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Loida Viera
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 8325 PR
Self-reported in NPPES; status is on the state search - Practice location
- Consolidated Mall, Caguas, PR 00726
- Phone
- (787) 743-4816
- Enumerated
- Mar 21, 2006
- Record last updated
- Dec 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070504000404); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 360 in Puerto Rico → Look up another NPI →
Also registered at Consolidated Mall
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Rodriguez, M.D.Specialist1497718050
Verify Loida Viera 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 8325Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
191 Medicare Part D claims for 107 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Clotrimazole-Betamethasone39 claims
- Estradiol20 claims
- Tolterodine Tartrate Er18 claims
- Betamethasone Valerate16 claims
- Ketoconazole14 claims
- Alendronate Sodium12 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.
Industry payments in 2024: $71.93
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Loida Viera among 360 obstetrics & gynecology physician records in Puerto Rico
Loida Viera, M.D. is one of 360 obstetrics & gynecology physician records with a practice address in Puerto Rico. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 46% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1983 · median 1994 among the 181 with a school on file
- Record last updated2009 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X 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 obstetrics & gynecology physician records list a practice address in Caguas
They are 20 of the 2,093 NPPES records with a practice address in Caguas, and 360 obstetrics & gynecology physician records in Puerto Rico.
All 360 in Puerto Rico → Every provider in Caguas → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Abby Agosto-Ventura, MDCaguas, PR 007251760897664
- Aurelio Benes Martinez, MDCaguas, PR 007251609994664
- Hector Berrios Echevarria, M.D.Caguas, PR 007251831217249
- Javier Correa, MDCaguas, PR 007251770544660
- Pedro Diaz-Bretana, MDCaguas, PR 007251043279334
- Luis Flores Rivera, M.D.Caguas, PR 007251669455721
- Jesus Gonzalez, MDCaguas, PR 007251205812278
- Roberto Gracia Ramis, M.D.Caguas, PR 007251598963753
Common questions
What is Loida Viera, M.D.'s NPI number?
Loida Viera, M.D.'s National Provider Identifier (NPI) is 1053370718, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Loida Viera, M.D. located?
The NPPES record lists a practice address at Consolidated Mall, Caguas, PR, 00726. Phone: (787) 743-4816. Providers update this record themselves, so call before visiting.
How can I verify Loida Viera, M.D.'s license?
NPPES lists Puerto Rico license number 8325, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Loida Viera, M.D. prescribe under Medicare Part D?
In 2024, Loida Viera, M.D. had 191 Medicare Part D claims for 107 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.