Viviana Ortiz Santiago
Endocrinology, Diabetes & Metabolism Physician · Caguas, PR
Viviana Ortiz Santiago is an endocrinology, diabetes & metabolism physician with a practice address in Caguas, Puerto Rico, and NPI 1407114945, issued on May 2, 2012. Check the license (Puerto Rico 18803, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Viviana Ortiz Santiago
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 18803 PR
Self-reported in NPPES; status is on the state search - Practice location
- 4 BS Ave Las Americas, Caguas, PR 00727
- Phone
- (787) 746-7066
- Enumerated
- May 2, 2012
- Record last updated
- Jul 21, 2022
- Fax
- (787) 946-9401
- Medicare enrollment
- Enrolled (PECOS I20171116001627); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2012
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 144 in Puerto Rico → Look up another NPI →
Verify Viviana Ortiz Santiago 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 18803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
7,242 Medicare Part D claims for 583 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Synthroid819 claims
- Rosuvastatin Calcium365 claims
- Atorvastatin Calcium351 claims
- Levothyroxine Sodium304 claims
- Glimepiride286 claims
- Farxiga246 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: $1,126.39
19 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Viviana Ortiz Santiago among 144 endocrinology, diabetes & metabolism physician records in Puerto Rico
Viviana Ortiz Santiago is one of 144 endocrinology, diabetes & metabolism physician records with a practice address in Puerto Rico. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 57% of them.
- NPI issued2012 · 57% of these records are older, 38% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2012 · median 2007 among the 119 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Puerto Rico
There are 144 endocrinology, diabetes & metabolism physician records in Puerto Rico.
All 144 in Puerto Rico → Every provider in Caguas → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Nixzaliz Rodriguez Rivera, M. D.Ponce, PR 007281801031471
- Nicolle Canales Ramos, MDCaguas, PR 007251740636026
- Amilcar Cintron, M.D.Caguas, PR 007251790751931
- Alberto Grana Santini, MDCaguas, PR 007251366829731
- Ivan Laboy-Ortiz, M.D.Caguas, PR 007251245565696
- Edna Melendez Reyes, MDCaguas, PR 007251922091784
- Juan Otero, M.D.Caguas, PR 007251871590968
- Angelo Rosado Perez, M.DCaguas, PR 007251528042991
Common questions
What is Viviana Ortiz Santiago's NPI number?
Viviana Ortiz Santiago's National Provider Identifier (NPI) is 1407114945, issued on May 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Viviana Ortiz Santiago located?
The NPPES record lists a practice address at 4 BS Ave Las Americas, Caguas, PR, 00727. Phone: (787) 746-7066. Providers update this record themselves, so call before visiting.
How can I verify Viviana Ortiz Santiago's license?
NPPES lists Puerto Rico license number 18803, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Viviana Ortiz Santiago prescribe under Medicare Part D?
In 2024, Viviana Ortiz Santiago had 7,242 Medicare Part D claims for 583 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.