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ALEXIS GONZALEZ RIVERA M.D.
NPI 1609214618
Internal Medicine - Gastroenterology in San Juan, PR

Active since June 12, 2013PECOS EnrolledAccepts Medicare Assignment
'UNIVERSIDAD DE PR, RECINTO DE DEPARTAMENTO DE MEDICINA, OCTAVO PISO OFICINA A838, SAN JUAN, PR 00935(787) 759-8252 Get Directions Write a Review

NPPES record last updated: July 16, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 16, 2019, Jan 23, 2017 (2 updates tracked since 2017).

About Alexis Gonzalez Rivera M.d. NPPES

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

ALEXIS GONZALEZ RIVERA M.D. (NPI 1609214618) is an individual gastroenterology provider in San Juan, Puerto Rico, licensed in Puerto Rico (19899) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Metropolitan Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1609214618
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameALEXIS GONZALEZ RIVERACredential: M.D.
Location Address'UNIVERSIDAD DE PR, RECINTO DE DEPARTAMENTO DE MEDICINA, OCTAVO PISO OFICINA A838San Juan, PR 00935-0001
Mailing Address6050 Street 844, Villas Del Monte Box 63San Juan, PR 00926 · (787) 374-6257
Phone(787) 759-8252
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateJune 12, 2013
Last NPPES UpdateJuly 16, 20192 updates tracked since enumeration
✔ NPI 1609214618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in PR · 19899
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedChronic Disease HospitalTaxonomy 281P00000X · License 32780 (PR)
Also ListedGeneral Acute Care HospitalTaxonomy 282N00000X

Other Identifiers 1

Medicaid32780PR

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

Alexis Gonzalez Rivera M.d. 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 ID2567795016
PECOS Enrollment IDI20190614001827
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 Alexis Gonzalez Rivera reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Recinto De Ciencias Medicas
Gastroenterology
CENTRO MEDICO DE PR EDIF PRINCIPAL, ESCUELA DE MEDICINA ATO. 29134
San Juan, PR 00936
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 9 clinicians in this Medicare group
NPI 1255357174 (787) 758-2525

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

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
41 services31 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
33 services33 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
20 services18 patients

Hospital Affiliations CMS Care Compare

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

Metropolitan Hospital

Acute Care Hospitals · San Juan, PR
OwnershipProprietary
CMS Certification Number400106
LocationCarretera 21 1785 Urb Las LomasSan Juan, PR 00915 · San Juan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00935 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.

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 Alexis Gonzalez Rivera's NPI number?

The NPI number for Alexis Gonzalez Rivera is 1609214618. It was assigned to this individual provider in the NPPES registry on June 12, 2013.

Where is Alexis Gonzalez Rivera located?

Alexis Gonzalez Rivera practices at 'universidad De Pr, Recinto De Departamento De Medicina Octavo Piso Oficina A838, San Juan, PR 00935. The listed phone number is (787) 759-8252.

What is Alexis Gonzalez Rivera's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Alexis Gonzalez Rivera enrolled in Medicare?

Yes. Alexis Gonzalez Rivera 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 Alexis Gonzalez Rivera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Gonzalez Rivera reassigns Medicare benefits to Recinto De Ciencias Medicas (San Juan, 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 Alexis Gonzalez Rivera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Alexis Gonzalez Rivera affiliated with any hospitals?

According to CMS data, Alexis Gonzalez Rivera is affiliated with Metropolitan Hospital.

When was this NPI record last updated?

The NPPES record for Alexis Gonzalez Rivera was last updated on July 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.