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Pathology

Tomic Hacopian, MD

Works at hospitals in Los Angeles, CA · California

Summary

Tomic Hacopian, MD (Pathology) is listed by Medicare at 1 hospital in Los Angeles, CA. NPI 1639461064. 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 Tomic Hacopian, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Which hospitals does Tomic Hacopian work at?
Medicare's official clinician data lists Tomic Hacopian at 1 hospital: Kaiser Foundation Hospital - Los Angeles. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Tomic Hacopian see patients?
Medicare's clinician data lists 3 practice locations, including Los Angeles, CA. Call before your visit to confirm the address.
What is Tomic Hacopian's specialty?
Medicare lists Pathology as the primary specialty.
Does Tomic Hacopian accept Medicare assignment?
Yes. Medicare's clinician data says Tomic Hacopian 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 Tomic Hacopian?
(323) 783-4011, as listed in official Medicare / NPI Registry data.
What is Tomic Hacopian's NPI number?
1639461064. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Tomic Hacopian works

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

Group practices

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

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in Los Angeles

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

All pathologists in Los Angeles →

Clinician information

CredentialMD
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639461064
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