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Internal Medicine

Helya Peyman, DO

Works at hospitals in Oceanside, CA · California

Summary

Helya Peyman, DO (Internal Medicine) is listed by Medicare at 1 hospital in Oceanside, CA. NPI 1407410731. 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 Helya Peyman, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
FemaleGender (as listed)
City of Hope Medical FoundationGroup practice (+2 more)

Quick answers

Which hospitals does Helya Peyman work at?
Medicare's official clinician data lists Helya Peyman at 1 hospital: Tri-City Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Helya Peyman see patients?
Medicare's clinician data lists 6 practice locations, including Irvine, CA, Tustin, CA and Newport Beach, CA. Call before your visit to confirm the address.
What is Helya Peyman's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Helya Peyman accept Medicare assignment?
Yes. Medicare's clinician data says Helya Peyman 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 Helya Peyman?
(949) 671-4673, as listed in official Medicare / NPI Registry data.
What is Helya Peyman's NPI number?
1407410731. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Helya Peyman works

Medicare's Facility Affiliation Data lists Helya Peyman 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 Helya Peyman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Helya Peyman as a member of these groups (CMS data updated 2026-10-02).

  • City of Hope Medical Foundation982 clinicians in the group
  • Hospitalist Medicine Physicians of California Inc123 clinicians in the group
  • HMTS Inc118 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Irvine

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

All internal medicine doctors in Irvine →

Clinician information

CredentialDO
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407410731
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