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MARIELA MELISSA RIVERA AGOSTO MD
NPI 1407278484
Internal Medicine - Pulmonary Disease in San Juan, PR

Active since January 10, 2014PECOS EnrolledAccepts Medicare Assignment
VA CARIBBEAN HEALTHCARE SYSTEM, 10 CASIA ST SURGICAL SERVICE CRITICAL CARE UNIT, SAN JUAN, PR 00921(787) 641-2975 Get Directions Write a Review

NPPES record last updated: April 30, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 30, 2024, Aug 2, 2022, Aug 11, 2021 and 1 more (4 updates tracked since 2016).

About Mariela Melissa Rivera Agosto Md NPPES

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

MARIELA MELISSA RIVERA AGOSTO MD (NPI 1407278484) is an individual pulmonary disease provider in San Juan, Puerto Rico, licensed in Puerto Rico (19843) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Naranjito, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1407278484
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameMARIELA MELISSA RIVERA AGOSTOCredential: MD
Location AddressVA CARIBBEAN HEALTHCARE SYSTEM, 10 CASIA ST SURGICAL SERVICE CRITICAL CARE UNITSan Juan, PR 00921-3201
Mailing AddressPo Box 515Naranjito, PR 00719-0515 · (787) 869-5900
Phone(787) 641-2975
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateJanuary 10, 2014
Last NPPES UpdateApril 30, 20244 updates tracked since enumeration
NPPES CertifiedJuly 21, 2022
✔ NPI 1407278484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in PR · 19843
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 19843 (PR)
Also ListedSurgery · Surgical Critical CareTaxonomy 2086S0102X · License 19843 (PR)

Secondary Practice Location 1

Location 1Carr 164 Sector el Desvio Bo. AchioteNaranjito, PR 00719-0515 · Phone (787) 869-5900

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mariela Melissa Rivera Agosto 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 ID9133518608
PECOS Enrollment IDI20211123000798
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.

Medicare Billing Reassignment

Medicare enrollment records show Mariela Rivera Agosto reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Salud Integral En La Montana, Inc.
Radiology
CARR 167 KM 17.8, BO. PAJAROS PUERTORRIQUENOS
Bayamon, PR 00961
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 141 clinicians in this Medicare group
NPI 1306327341 (787) 869-5900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00921 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

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

GIOMARIE VILLAFANE
Pharmacy Technician
VA CARIBBEAN HEALTHCARE SYSTEM, 10 CASIA ST.
SAN JUAN, PR 00921
San Juan Municipio (787) 247-1331
DR. MARY JOAHN RODRIGUEZ-MALAVE MD, MPH
Internal Medicine
VA CARIBBEAN HEALTHCARE SYSTEM, 10 CASIA ST
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
CARRIE LYNN GIBSON RD, LND, M. ED
Dietitian, Registered
VA CARIBBEAN HEALTHCARE SYSTEM, 10 CASIA STREET
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
DR. MARIA LETICIA REYES-RABANILLO MD
Psychiatry & Neurology (Psychiatry)
VA CARIBBEAN HEALTHCARE SYSTEM, 10 CASIA ST.
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
NESTOR J GALARZA MD
Psychiatry & Neurology (Psychiatry)
VA CARIBBEAN HEALTHCARE SYSTEM, CALLE CASIA #10
SAN JUAN, SD 00921
San Juan Municipio (787) 641-7582
JEANLOUIS BETANCOURT GAZTAMBIDE PHARMD
Pharmacy (Community/Retail Pharmacy)
VA CARIBBEAN HEALTHCARE SYSTEM, 10 CASIA STREET
SAN JUAN, PR 00921
San Juan Municipio (787) 834-6900
DR. ALICIA M. ORTIZ MD
Psychiatry & Neurology (Psychiatry)
VA CARIBBEAN HEALTHCARE SYSTEM, 10 CASIA STREET
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
DR. ARTTURI WILHELM SONNI M.D.
Clinic/Center (Federally Qualified Health Center (FQHC))
VA CARIBBEAN HEALTHCARE SYSTEM, #10 CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582

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 Mariela Rivera Agosto's NPI number?

The NPI number for Mariela Rivera Agosto is 1407278484. It was assigned to this individual provider in the NPPES registry on January 10, 2014.

Where is Mariela Rivera Agosto located?

Mariela Rivera Agosto practices at VA Caribbean Healthcare System 10 Casia St Surgical Service Critical Care Unit, San Juan, PR 00921. The listed phone number is (787) 641-2975.

What is Mariela Rivera Agosto's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Mariela Rivera Agosto enrolled in Medicare?

Yes. Mariela Rivera Agosto 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.

Which organization bills Medicare for Mariela Rivera Agosto's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariela Rivera Agosto reassigns Medicare benefits to Salud Integral En La Montana, Inc. (Bayamon, PR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mariela Rivera Agosto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mariela Rivera Agosto was last updated on April 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.