Allan Santiago
Gastroenterology Physician · San Juan, PR
Allan Santiago is a gastroenterology physician with a practice address in San Juan, Puerto Rico, and NPI 1457327306, issued on Feb 28, 2006. Check the license (Puerto Rico 7360, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Allan Santiago
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 7360 PR
Self-reported in NPPES; status is on the state search - Practice location
- 29 Calle Washington Ste 705, San Juan, PR 00907
- Phone
- (787) 721-7789
- Enumerated
- Feb 28, 2006
- Record last updated
- Jan 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (787) 725-5589
- Medicare enrollment
- Enrolled (PECOS I20080326000874); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 203 in Puerto Rico → Look up another NPI →
Verify Allan 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 7360Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average gastroenterology physician in 2024
1,114 Medicare Part D claims for 301 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Famotidine377 claims
- Naloxone Hcl130 claims
- Pantoprazole Sodium127 claims
- Suprep67 claims
- Midazolam Hcl49 claims
- Sod Sulf-Potass Sulf-Mag Sulf37 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: $50.00
2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Allan Santiago among 203 gastroenterology physician records in Puerto Rico
Allan Santiago is one of 203 gastroenterology physician records with a practice address in Puerto Rico. 92% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 51% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1981 · median 2000 among the 165 with a school on file
- Record last updated2014 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Puerto Rico
There are 203 gastroenterology physician records in Puerto Rico.
All 203 in Puerto Rico → Every provider in San Juan → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Veroushka Ballester Vargas, M.D.San Juan, PR 009071689868150
- Ricky Jimenez, MDSan Juan, PR 009071457352890
- Yaiza Martinez-Ortiz, MDSan Juan, PR 009071134413701
- Wilfredo Pagani, M.D.San Juan, PR 009071477630127
- Suzette Rivera Macmurray, MDSan Juan, PR 009071982678744
- Vasco Eguia Moreda, MDSan Juan, PR 009091316184161
- Carlos Fernandez-Cruz, MDSan Juan, PR 009091699192765
- Hamid Galib, MDSan Juan, PR 009091508825159
Common questions
What is Allan Santiago's NPI number?
Allan Santiago's National Provider Identifier (NPI) is 1457327306, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allan Santiago located?
The NPPES record lists a practice address at 29 Calle Washington Ste 705, San Juan, PR, 00907. Phone: (787) 721-7789. Providers update this record themselves, so call before visiting.
How can I verify Allan Santiago's license?
NPPES lists Puerto Rico license number 7360, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Allan Santiago prescribe under Medicare Part D?
In 2024, Allan Santiago had 1,114 Medicare Part D claims for 301 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.