Ernesto Garcia Santiago, M.D.
Internal Medicine Physician · Caguas, PR
Ernesto Garcia Santiago, M.D. is an internal medicine physician with a practice address in Caguas, Puerto Rico, and NPI 1609820414, issued on May 19, 2006. Check the license (Puerto Rico 11239, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ernesto Garcia Santiago
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 11239 PR
Self-reported in NPPES; status is on the state search - Practice location
- Avenida Luis Munoz Marin, Caguas, PR 00925
- Phone
- (787) 961-4668
- Enumerated
- May 19, 2006
- Record last updated
- Apr 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (787) 961-4674
- Medicare enrollment
- Enrolled (PECOS I20060721000187); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Verify Ernesto Garcia 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 11239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average internal medicine physician in 2024
14,038 Medicare Part D claims for 847 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. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium695 claims
- Famotidine668 claims
- Losartan Potassium657 claims
- Pantoprazole Sodium587 claims
- Gabapentin523 claims
- Amlodipine Besylate385 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: $425.85
7 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Ernesto Garcia Santiago among 1,146 internal medicine physician records in Puerto Rico
Ernesto Garcia Santiago, 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 52% 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 updated2020 · 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).
58 internal medicine physician records list a practice address in Caguas
They are 58 of the 2,093 NPPES records with a practice address in Caguas, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Caguas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sandra Berdecia, MDRio Piedras, PR 009251861497869
- Guillermo Cruz Palomo, MDSan Juan, PR 009251033116967
- Manuel Zavala, M.D.Rio Piedras, PR 009251952405391
- Fernando Abreu GonzalezSan Juan, PR 009261437100930
- Jose Arias, M.D.San Juan, PR 009241356351746
- Carlos Calisto-Perez, M.D.San Juan, PR 009241265681050
- Jose Cuebas Vazquez, MDSan Juan, PR 009261356339030
- Walter Figueroa, MDSan Juan, PR 009241447389713
Common questions
What is Ernesto Garcia Santiago, M.D.'s NPI number?
Ernesto Garcia Santiago, M.D.'s National Provider Identifier (NPI) is 1609820414, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ernesto Garcia Santiago, M.D. located?
The NPPES record lists a practice address at Avenida Luis Munoz Marin, Caguas, PR, 00925. Phone: (787) 961-4668. Providers update this record themselves, so call before visiting.
How can I verify Ernesto Garcia Santiago, M.D.'s license?
NPPES lists Puerto Rico license number 11239, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Ernesto Garcia Santiago, M.D. prescribe under Medicare Part D?
In 2024, Ernesto Garcia Santiago, M.D. had 14,038 Medicare Part D claims for 847 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.