Teresa Pilar Del Rio Montesinos, MD
Hepatology Physician · Mayaguez, PR
Teresa Pilar Del Rio Montesinos, MD is a hepatology physician with a practice address in Mayaguez, Puerto Rico, and NPI 1154979235, issued on Aug 31, 2019. Check the license (Puerto Rico 23834, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Teresa Pilar Del Rio Montesinos
- Credential
- MD
- Primary taxonomy
- Hepatology Physician 207RI0008X
- License numbers
- 23834 PR
MD.MD.61409664 WA
MD61409664 WA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Calle Virginia, Mayaguez, PR 00680
- Phone
- (787) 834-6985
- Enumerated
- Aug 31, 2019
- Record last updated
- Jan 14, 2026
- Medicare enrollment
- Enrolled (PECOS I20230613001684); accepts Medicare assignment
- Entity
- Type 1 · individual
2 nearest hepatology physician records → All 3 in Puerto Rico → Look up another NPI →
Also registered at 55 Calle Virginia
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jose Del Rio Ferrer, MDInternal Medicine Physician1760515837
Verify Teresa Pilar Del Rio Montesinos 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 23834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average hepatology physician in 2024
167 Medicare Part D claims for 56 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefazolin Sodium13 claims
- Xifaxan12 claims
- Furosemide11 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.
One hospital affiliation
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hepatology Physician providers in Puerto Rico
There are 3 hepatology physician records in Puerto Rico.
All 3 in Puerto Rico → Every provider in Mayaguez → Hepatology Physician nationwide →
The 2 hepatology physician records with the nearest ZIP codes
- Amanda Ortiz VicilGuayama, PR 007841720648025
- Federico Rodriguez Perez, MDSan Juan, PR 009091639143480
Common questions
What is Teresa Pilar Del Rio Montesinos, MD's NPI number?
Teresa Pilar Del Rio Montesinos, MD's National Provider Identifier (NPI) is 1154979235, issued on Aug 31, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Teresa Pilar Del Rio Montesinos, MD located?
The NPPES record lists a practice address at 55 Calle Virginia, Mayaguez, PR, 00680. Phone: (787) 834-6985. Providers update this record themselves, so call before visiting.
How can I verify Teresa Pilar Del Rio Montesinos, MD's license?
NPPES lists Puerto Rico license number 23834, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Teresa Pilar Del Rio Montesinos, MD prescribe under Medicare Part D?
In 2024, Teresa Pilar Del Rio Montesinos, MD had 167 Medicare Part D claims for 56 beneficiaries; the average among hepatology physician prescribers was 762. 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.