Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Español Near me My list Help
US Patient GuideUSA
Surprise me
Family Practice

James M. Lally, DO

Sees patients in Claremont, CA · Montclair, CA · California

Summary

James M. Lally, DO (Family Practice) is enrolled with Medicare at 2 practice locations in Claremont, CA and Montclair, CA. NPI 1285633867. Source: CMS National Downloadable File, updated 2026-10-02.

Call(909) 281‑5800 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about James M. Lally, 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

2Practice locations
Family PracticePrimary specialty
May acceptAccepts Medicare assignment
35Years since medical school (graduated 1991)
MaleGender (as listed)
Health Service AllianceGroup practice

Quick answers

Where does James M. Lally see patients?
Medicare's clinician data lists 2 practice locations, including Claremont, CA and Montclair, CA. Call before your visit to confirm the address.
What is James M. Lally's specialty?
Medicare lists Family Practice as the primary specialty.
Does James M. Lally accept Medicare assignment?
Medicare's clinician data says James M. Lally may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for James M. Lally?
(909) 281-5800, as listed in official Medicare / NPI Registry data.
What is James M. Lally's NPI number?
1285633867. 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 James M. Lally is enrolled with Medicare (CMS data updated 2026-10-02).

  • 220 S Indian Hill Blvd, Suite FClaremont, CA 91711
  • 5050 San Bernardino StMontclair, CA 91763 (909) 281‑5800

Group practices

Medicare enrollment lists James M. Lally as a member of this group (CMS data updated 2026-10-02).

  • Health Service Alliance14 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Claremont

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

All family doctors in Claremont →

Clinician information

CredentialDO
Graduation year1991
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1285633867
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