TERESA PILAR DEL RIO MONTESINOS MD
NPI 1154979235
Internal Medicine - Hepatology in Mayaguez, PR

Q: What is Teresa Del Rio Montesinos's NPI number?

The NPI number for Teresa Del Rio Montesinos is 1154979235. It was assigned to this individual provider in the NPPES registry on August 31, 2019.

Q: What is Teresa Del Rio Montesinos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.

Active since August 31, 2019PECOS EnrolledAccepts Medicare Assignment

55 CALLE VIRGINIA, MAYAGUEZ, PR 00680(787) 834-6985 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 14, 2026, Jun 4, 2024, Jun 5, 2023 and 2 more (5 updates tracked since 2019).

On this page

About Teresa Pilar Del Rio Montesinos Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TERESA PILAR DEL RIO MONTESINOS MD (NPI 1154979235) is an individual hepatology provider in Mayaguez, Puerto Rico, licensed in Puerto Rico (23834) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1154979235

Entity TypeIndividualFemale

Primary Taxonomy207RI0008X

Provider Legal NameTERESA PILAR DEL RIO MONTESINOSCredential: MD

Location Address55 CALLE VIRGINIAMayaguez, PR 00680-3820

Mailing Address1100 9th AveSeattle, WA 98101-2756 · (206) 223-2319

Phone(787) 834-6985

Sole ProprietorYes

Medical School CMSOtherGraduated 2020

Enumeration DateAugust 31, 2019

Last NPPES UpdateJanuary 14, 20265 updates tracked since enumeration

NPPES CertifiedJanuary 14, 2026

✔ NPI 1154979235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · HepatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0008X

Licenses✔ Licensed in PR · 23834✔ Licensed in WA · MD61409664

Definition

The discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who identify themselves as Hepatologists usually, but not always, have been trained in gastrointestinal programs.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD.MD.61409664 (WA), 23834 (PR)

Secondary Practice Location 1

Location 11100 9th AveSeattle, WA 98101-2756 · Phone (206) 223-2319

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Teresa Pilar Del Rio Montesinos Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294192845

PECOS Enrollment IDI20230613001684

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

153 services89 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

61 services47 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Virginia Mason Medical Center

Acute Care Hospitals · Seattle, WA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500005

Location925 Seneca StSeattle, WA 98101 · King County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RDF,CSP

General Practice

55 CALLE VIRGINIA
MAYAGUEZ, PR 00680

Mayagüez Municipio (787) 834-6985

JOSE M DEL RIO FERRER MD

Internal Medicine

55 CALLE VIRGINIA
MAYAGUEZ, PR 00680

Mayagüez Municipio (787) 834-6985

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Teresa Del Rio Montesinos's NPI number?

The NPI number for Teresa Del Rio Montesinos is 1154979235. It was assigned to this individual provider in the NPPES registry on August 31, 2019.

Where is Teresa Del Rio Montesinos located?

Teresa Del Rio Montesinos practices at 55 Calle Virginia, Mayaguez, PR 00680. The listed phone number is (787) 834-6985.

What is Teresa Del Rio Montesinos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.

Is Teresa Del Rio Montesinos enrolled in Medicare?

Yes. Teresa Del Rio Montesinos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Teresa Del Rio Montesinos accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Teresa Del Rio Montesinos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Teresa Del Rio Montesinos affiliated with any hospitals?

According to CMS data, Teresa Del Rio Montesinos is affiliated with Virginia Mason Medical Center.

When was this NPI record last updated?

The NPPES record for Teresa Del Rio Montesinos was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.