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Nurse Practitioner

Clarence Ly, NP

Sees patients in Upland, CA · California

Summary

Clarence Ly, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Upland, CA. NPI 1356154595. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(909) 985‑2872 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Clarence Ly, 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

1Practice location
Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
2Years since medical school (graduated 2024)
MaleGender (as listed)
Mukesh Amin MD and Tejinder Singh MD IncGroup practice

Quick answers

Where does Clarence Ly see patients?
Medicare's clinician data lists 1 practice location in Upland, CA. Call before your visit to confirm the address.
What is Clarence Ly's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Clarence Ly accept Medicare assignment?
Yes. Medicare's clinician data says Clarence Ly 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 Clarence Ly?
(909) 985-2872, as listed in official Medicare / NPI Registry data.
What is Clarence Ly's NPI number?
1356154595. 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 Clarence Ly is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Mukesh Amin MD and Tejinder Singh MD Inc2 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in Upland

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

All nurse practitioners in Upland →

Clinician information

CredentialNP
Graduation year2024
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356154595
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