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Hematology/Oncology

Greg R. Angstreich, MD

Works at hospitals in Newport Beach, CA · California

Summary

Greg R. Angstreich, MD (Hematology/Oncology) is listed by Medicare at 1 hospital in Newport Beach, CA. NPI 1659303873. 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 Greg R. Angstreich, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
29Years since medical school (graduated 1997)
Washington University School Of MedicineMedical school
MaleGender (as listed)
USC Care Medical Group IncGroup practice

Quick answers

Which hospitals does Greg R. Angstreich work at?
Medicare's official clinician data lists Greg R. Angstreich at 1 hospital: Hoag Memorial Hospital Presbyterian. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Greg R. Angstreich see patients?
Medicare's clinician data lists 7 practice locations, including Newport Beach, CA and Los Angeles, CA. Call before your visit to confirm the address.
What is Greg R. Angstreich's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Greg R. Angstreich accept Medicare assignment?
Yes. Medicare's clinician data says Greg R. Angstreich 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.
Does Greg R. Angstreich offer telehealth?
Medicare's clinician data says Greg R. Angstreich offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Greg R. Angstreich?
(949) 764-4624, as listed in official Medicare / NPI Registry data.
What is Greg R. Angstreich's NPI number?
1659303873. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Greg R. Angstreich works

Medicare's Facility Affiliation Data lists Greg R. Angstreich 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 Greg R. Angstreich is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Greg R. Angstreich as a member of this group (CMS data updated 2026-10-02).

  • USC Care Medical Group Inc1,380 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Newport Beach

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

All hematologist-oncologists in Newport Beach →

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1659303873
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