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

Orthopedic Surgery

Peter Hahn, MD

Works at hospitals in Long Beach, CA · Pomona, CA · California

Summary

Peter Hahn, MD (Orthopedic Surgery) is listed by Medicare at 2 hospitals in Long Beach, CA and Pomona, CA. NPI 1952742744. 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 Peter Hahn, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
University Of California, Irvine, California College Of MedicineMedical school
MaleGender (as listed)
Premier Orthopaedic Trauma Specialists PMCGroup practice

Quick answers

Which hospitals does Peter Hahn work at?
Medicare's official clinician data lists Peter Hahn at 2 hospitals: Memorialcare Long Beach Medical Center and Pomona Valley Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Peter Hahn see patients?
Medicare's clinician data lists 2 practice locations, including Pomona, CA and Upland, CA. Call before your visit to confirm the address.
What is Peter Hahn's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Peter Hahn accept Medicare assignment?
Yes. Medicare's clinician data says Peter Hahn 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 Peter Hahn?
(909) 596-4346, as listed in official Medicare / NPI Registry data.
What is Peter Hahn's NPI number?
1952742744. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Peter Hahn works

Medicare's Facility Affiliation Data lists Peter Hahn 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 Peter Hahn is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Premier Orthopaedic Trauma Specialists PMC36 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Pomona

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

All orthopedic surgeons in Pomona →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952742744
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