Ivan A. Serrano Santiago, M.D.
Endocrinology, Diabetes & Metabolism Physician · Caguas, PR
Ivan A. Serrano Santiago, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Caguas, Puerto Rico, and NPI 1952763476, issued on Mar 23, 2016. Check the license (Puerto Rico 22039, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ivan A. Serrano Santiago
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 22039 PR
Self-reported in NPPES; status is on the state search - Practice location
- Urb Profesional Center Building, Caguas, PR 00725
- Phone
- (787) 399-9121
- Enumerated
- Mar 23, 2016
- Record last updated
- Jun 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20210818000545); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 2016
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 144 in Puerto Rico → Look up another NPI →
Verify Ivan A. Serrano 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 22039Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
5,158 Medicare Part D claims for 408 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Ozempic516 claims
- Synthroid512 claims
- Atorvastatin Calcium343 claims
- Metformin Hcl305 claims
- Rosuvastatin Calcium304 claims
- Trulicity258 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: $1,691.99
53 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.
Ivan A. Serrano Santiago among 144 endocrinology, diabetes & metabolism physician records in Puerto Rico
Ivan A. Serrano Santiago, M.D. 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 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 16% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2016 · median 2007 among the 119 with a school on file
- Record last updated2024 · 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
- 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
- Viviana Ortiz SantiagoCaguas, PR 007271407114945
Common questions
What is Ivan A. Serrano Santiago, M.D.'s NPI number?
Ivan A. Serrano Santiago, M.D.'s National Provider Identifier (NPI) is 1952763476, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ivan A. Serrano Santiago, M.D. located?
The NPPES record lists a practice address at Urb Profesional Center Building, Caguas, PR, 00725. Phone: (787) 399-9121. Providers update this record themselves, so call before visiting.
How can I verify Ivan A. Serrano Santiago, M.D.'s license?
NPPES lists Puerto Rico license number 22039, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Ivan A. Serrano Santiago, M.D. prescribe under Medicare Part D?
In 2024, Ivan A. Serrano Santiago, M.D. had 5,158 Medicare Part D claims for 408 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.