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Medical Oncology

Ariel Lopez-Chavez, MD

Works at hospitals in Wexford, PA · Pittsburgh, PA · Jefferson Hills, PA · Pennsylvania

Summary

Ariel Lopez-Chavez, MD (Medical Oncology) is listed by Medicare at 4 hospitals in Wexford, PA, Pittsburgh, PA and Jefferson Hills, PA. NPI 1871786913. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ariel Lopez-Chavez, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
21Years since medical school (graduated 2005)
MaleGender (as listed)
Allegheny Clinic Medical OncologyGroup practice

Quick answers

Which hospitals does Ariel Lopez-Chavez work at?
Medicare's official clinician data lists Ariel Lopez-Chavez at 4 hospitals: Ahn Wexford Hospital, Allegheny General Hospital, Jefferson Hospital and West Penn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ariel Lopez-Chavez see patients?
Medicare's clinician data lists 1 practice location in Pittsburgh, PA. Call before your visit to confirm the address.
What is Ariel Lopez-Chavez's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Ariel Lopez-Chavez accept Medicare assignment?
Yes. Medicare's clinician data says Ariel Lopez-Chavez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Ariel Lopez-Chavez offer telehealth?
Medicare's clinician data says Ariel Lopez-Chavez offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ariel Lopez-Chavez?
(412) 325-5700, as listed in official Medicare / NPI Registry data.
What is Ariel Lopez-Chavez's NPI number?
1871786913. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ariel Lopez-Chavez works

Medicare's Facility Affiliation Data lists Ariel Lopez-Chavez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ariel Lopez-Chavez is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ariel Lopez-Chavez as a member of this group (CMS data updated 2026-10-02).

  • Allegheny Clinic Medical Oncology97 clinicians in the group

Specialties

Find other Medical Oncology doctors in Pennsylvania →

Other oncologists in Pittsburgh

Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.

All oncologists in Pittsburgh →

Clinician information

CredentialMD
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1871786913
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians