Waldo Santiago Montalvo, M.D.
Gastroenterology Physician · Aguadilla, PR
Waldo Santiago Montalvo, M.D. is a gastroenterology physician with a practice address in Aguadilla, Puerto Rico, and NPI 1386624716, issued on Jan 20, 2006. Check the license (Puerto Rico 10425, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Waldo Santiago Montalvo
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 10425 PR
Self-reported in NPPES; status is on the state search - Practice location
- 23 Calle Severiano Cuevas, Aguadilla, PR 00603
- Phone
- (787) 882-2929
- Enumerated
- Jan 20, 2006
- Record last updated
- Oct 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (787) 882-2929
- Medicare enrollment
- Enrolled (PECOS I20110414000307); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 1986
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 203 in Puerto Rico → Look up another NPI →
Verify Waldo Santiago Montalvo 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 10425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,861 Medicare Part D claims for 672 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Famotidine666 claims
- Pantoprazole Sodium458 claims
- Procto-Med Hc134 claims
- Lansoprazole95 claims
- Omeprazole92 claims
- Hydrocortisone80 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: $89.40
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.
Waldo Santiago Montalvo among 203 gastroenterology physician records in Puerto Rico
Waldo Santiago Montalvo, M.D. 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
- Graduated1986 · median 2000 among the 165 with a school on file
- Record last updated2016 · 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 Aguadilla → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Karelys Burgos Irizarry, MDAguadilla, PR 006031639610546
- Hiram Ortega, MD, JDAguadilla, PR 006031184828295
- Yomarid Quinones, M.D.Aguadilla, PR 006031104157734
- Felipe Velez Gonzalez, M.D.Angeles, PR 006111790012524
- Luis Gonzalez, M.D.Arecibo, PR 006121093757858
- Jose Najul Zambrana, MDArecibo, PR 006121912079203
- Rene Rocha Rodriguez, M.D.Arecibo, PR 006121235236670
- Orlando Rodriguez Amador, MDArecibo, PR 006121952861569
Common questions
What is Waldo Santiago Montalvo, M.D.'s NPI number?
Waldo Santiago Montalvo, M.D.'s National Provider Identifier (NPI) is 1386624716, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Waldo Santiago Montalvo, M.D. located?
The NPPES record lists a practice address at 23 Calle Severiano Cuevas, Aguadilla, PR, 00603. Phone: (787) 882-2929. Providers update this record themselves, so call before visiting.
How can I verify Waldo Santiago Montalvo, M.D.'s license?
NPPES lists Puerto Rico license number 10425, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Waldo Santiago Montalvo, M.D. prescribe under Medicare Part D?
In 2024, Waldo Santiago Montalvo, M.D. had 1,861 Medicare Part D claims for 672 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.