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Obstetrics/Gynecology

Robert Lopez, MD

Sees patients in Colton, CA · California

Summary

Robert Lopez, MD (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in Colton, CA. NPI 1396836094. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Robert Lopez, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
University Of California, San Diego School Of MedicineMedical school
MaleGender (as listed)
Valley Obstetrics and Gynecology Medical Group IncGroup practice

Quick answers

Where does Robert Lopez see patients?
Medicare's clinician data lists 1 practice location in Colton, CA. Call before your visit to confirm the address.
What is Robert Lopez's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Robert Lopez accept Medicare assignment?
Yes. Medicare's clinician data says Robert Lopez 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.
What is the phone number for Robert Lopez?
(909) 580-2270, as listed in official Medicare / NPI Registry data.
What is Robert Lopez's NPI number?
1396836094. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

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

  • Valley Obstetrics and Gynecology Medical Group Inc9 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Colton

Clinicians with the same Medicare primary specialty in Colton, CA — not a recommendation.

All OB-GYNs in Colton →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396836094
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians